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Merge pull request #2359 from dead10ck/test-harness

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Integration testing harness
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Blaž Hrastnik 2 years ago committed by GitHub
parent a17626a822 458b89e21d
commit 19dccade7c
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GPG Key ID: 4AEE18F83AFDEB23
29 changed files with 1158 additions and 222 deletions
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1
.cargo/config
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@ -1,2 +1,3 @@
[alias]
xtask = "run --package xtask --"
integration-test = "test --features integration --workspace --test integration"

11
.github/workflows/build.yml vendored
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@ -38,6 +38,9 @@ jobs:
test:
name: Test Suite
runs-on: ${{ matrix.os }}
env:
RUST_BACKTRACE: 1
HELIX_LOG_LEVEL: info
steps:
- name: Checkout sources
uses: actions/checkout@v3
@ -50,9 +53,6 @@ jobs:
- uses: Swatinem/rust-cache@v1
- name: Copy minimal languages config
run: cp .github/workflows/languages.toml ./languages.toml
- name: Cache test tree-sitter grammar
uses: actions/cache@v3
with:
@ -66,6 +66,11 @@ jobs:
command: test
args: --workspace
- name: Run cargo integration-test
uses: actions-rs/cargo@v1
with:
command: integration-test
strategy:
matrix:
os: [ubuntu-latest, macos-latest, windows-latest]

1
.gitignore vendored
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@ -1,6 +1,5 @@
target
.direnv
helix-term/rustfmt.toml
helix-syntax/languages/
result
runtime/grammars

323
Cargo.lock generated
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@ -25,9 +25,9 @@ checksum = "c5d78ce20460b82d3fa150275ed9d55e21064fc7951177baacf86a145c4a4b1f"
[[package]]
name = "autocfg"
version = "1.1.0"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
[[package]]
name = "bitflags"
@ -66,9 +66,9 @@ checksum = "df8670b8c7b9dae1793364eafadf7239c40d669904660c5960d74cfd80b46a53"
[[package]]
name = "cc"
version = "1.0.73"
version = "1.0.72"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
checksum = "22a9137b95ea06864e018375b72adfb7db6e6f68cfc8df5a04d00288050485ee"
[[package]]
name = "cfg-if"
@ -121,9 +121,9 @@ dependencies = [
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dependencies = [
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@ -131,15 +131,15 @@ dependencies = [
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -184,9 +184,9 @@ checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
[[package]]
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@ -221,6 +221,15 @@ dependencies = [
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]
[[package]]
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dependencies = [
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[[package]]
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@ -293,9 +302,9 @@ dependencies = [
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dependencies = [
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@ -452,6 +461,7 @@ dependencies = [
"helix-tui",
"helix-view",
"ignore",
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"log",
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"pulldown-cmark",
@ -460,6 +470,8 @@ dependencies = [
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"signal-hook-tokio",
"smallvec",
"tempfile",
"tokio",
"tokio-stream",
"toml",
@ -544,11 +556,29 @@ dependencies = [
"winapi-util",
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[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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[[package]]
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]
[[package]]
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[[package]]
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@ -558,9 +588,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
[[package]]
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[[package]]
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@ -574,19 +604,18 @@ dependencies = [
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@ -612,9 +641,9 @@ checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
[[package]]
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@ -625,6 +654,19 @@ dependencies = [
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version = "0.8.3"
@ -634,14 +676,32 @@ dependencies = [
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"windows-sys",
"windows-sys 0.36.1",
]
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@ -649,9 +709,9 @@ dependencies = [
[[package]]
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@ -684,15 +744,15 @@ dependencies = [
[[package]]
name = "parking_lot_core"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -703,9 +763,9 @@ checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
[[package]]
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@ -715,11 +775,11 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
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@ -744,18 +804,18 @@ dependencies = [
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@ -771,29 +831,28 @@ dependencies = [
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@ -808,15 +867,24 @@ checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
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@ -851,18 +919,18 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
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@ -941,9 +1009,9 @@ checksum = "2e24979f63a11545f5f2c60141afe249d4f19f84581ea2138065e400941d83d3"
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@ -995,9 +1063,9 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
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@ -1007,13 +1075,27 @@ checksum = "9d9199fa80c817e074620be84374a520062ebac833f358d74b37060ce4a0f2c0"
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"redox_syscall",
"remove_dir_all",
"winapi",
]
[[package]]
@ -1029,18 +1111,18 @@ dependencies = [
[[package]]
name = "thiserror"
version = "1.0.31"
version = "1.0.30"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bd829fe32373d27f76265620b5309d0340cb8550f523c1dda251d6298069069a"
checksum = "854babe52e4df1653706b98fcfc05843010039b406875930a70e4d9644e5c417"
dependencies = [
"thiserror-impl",
]
[[package]]
name = "thiserror-impl"
version = "1.0.31"
version = "1.0.30"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0396bc89e626244658bef819e22d0cc459e795a5ebe878e6ec336d1674a8d79a"
checksum = "aa32fd3f627f367fe16f893e2597ae3c05020f8bba2666a4e6ea73d377e5714b"
dependencies = [
"proc-macro2",
"quote",
@ -1067,9 +1149,9 @@ dependencies = [
[[package]]
name = "tinyvec"
version = "1.6.0"
version = "1.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50"
checksum = "2c1c1d5a42b6245520c249549ec267180beaffcc0615401ac8e31853d4b6d8d2"
dependencies = [
"tinyvec_macros",
]
@ -1089,7 +1171,7 @@ dependencies = [
"bytes",
"libc",
"memchr",
"mio",
"mio 0.8.3",
"num_cpus",
"once_cell",
"parking_lot",
@ -1133,9 +1215,9 @@ dependencies = [
[[package]]
name = "tree-sitter"
version = "0.20.6"
version = "0.20.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "09b3b781640108d29892e8b9684642d2cda5ea05951fd58f0fea1db9edeb9b71"
checksum = "4e34327f8eac545e3f037382471b2b19367725a242bba7bc45edb9efb49fe39a"
dependencies = [
"cc",
"regex",
@ -1152,9 +1234,9 @@ dependencies = [
[[package]]
name = "unicode-bidi"
version = "0.3.8"
version = "0.3.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "099b7128301d285f79ddd55b9a83d5e6b9e97c92e0ea0daebee7263e932de992"
checksum = "1a01404663e3db436ed2746d9fefef640d868edae3cceb81c3b8d5732fda678f"
[[package]]
name = "unicode-general-category"
@ -1162,12 +1244,6 @@ version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1218098468b8085b19a2824104c70d976491d247ce194bbd9dc77181150cdfd6"
[[package]]
name = "unicode-ident"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d22af068fba1eb5edcb4aea19d382b2a3deb4c8f9d475c589b6ada9e0fd493ee"
[[package]]
name = "unicode-linebreak"
version = "0.1.2"
@ -1198,6 +1274,18 @@ version = "0.1.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
[[package]]
name = "unicode-xid"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
[[package]]
name = "unindent"
version = "0.1.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f14ee04d9415b52b3aeab06258a3f07093182b88ba0f9b8d203f211a7a7d41c7"
[[package]]
name = "url"
version = "2.2.2"
@ -1242,9 +1330,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
[[package]]
name = "which"
version = "4.2.5"
version = "4.2.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5c4fb54e6113b6a8772ee41c3404fb0301ac79604489467e0a9ce1f3e97c24ae"
checksum = "2a5a7e487e921cf220206864a94a89b6c6905bfc19f1057fa26a4cb360e5c1d2"
dependencies = [
"either",
"lazy_static",
@ -1282,43 +1370,86 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]]
name = "windows-sys"
version = "0.32.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3df6e476185f92a12c072be4a189a0210dcdcf512a1891d6dff9edb874deadc6"
dependencies = [
"windows_aarch64_msvc 0.32.0",
"windows_i686_gnu 0.32.0",
"windows_i686_msvc 0.32.0",
"windows_x86_64_gnu 0.32.0",
"windows_x86_64_msvc 0.32.0",
]
[[package]]
name = "windows-sys"
version = "0.36.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2"
dependencies = [
"windows_aarch64_msvc",
"windows_i686_gnu",
"windows_i686_msvc",
"windows_x86_64_gnu",
"windows_x86_64_msvc",
"windows_aarch64_msvc 0.36.1",
"windows_i686_gnu 0.36.1",
"windows_i686_msvc 0.36.1",
"windows_x86_64_gnu 0.36.1",
"windows_x86_64_msvc 0.36.1",
]
[[package]]
name = "windows_aarch64_msvc"
version = "0.32.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d8e92753b1c443191654ec532f14c199742964a061be25d77d7a96f09db20bf5"
[[package]]
name = "windows_aarch64_msvc"
version = "0.36.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
[[package]]
name = "windows_i686_gnu"
version = "0.32.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6a711c68811799e017b6038e0922cb27a5e2f43a2ddb609fe0b6f3eeda9de615"
[[package]]
name = "windows_i686_gnu"
version = "0.36.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
[[package]]
name = "windows_i686_msvc"
version = "0.32.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "146c11bb1a02615db74680b32a68e2d61f553cc24c4eb5b4ca10311740e44172"
[[package]]
name = "windows_i686_msvc"
version = "0.36.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
[[package]]
name = "windows_x86_64_gnu"
version = "0.32.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c912b12f7454c6620635bbff3450962753834be2a594819bd5e945af18ec64bc"
[[package]]
name = "windows_x86_64_gnu"
version = "0.36.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
[[package]]
name = "windows_x86_64_msvc"
version = "0.32.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "504a2476202769977a040c6364301a3f65d0cc9e3fb08600b2bda150a0488316"
[[package]]
name = "windows_x86_64_msvc"
version = "0.36.1"

7
docs/CONTRIBUTING.md
Unescape Escape View File

@ -35,3 +35,10 @@ to `cargo install` anything either).
[architecture.md]: ./architecture.md
[docs]: https://docs.helix-editor.com/
[xtask]: https://github.com/matklad/cargo-xtask
# Integration tests
Integration tests for helix-term can be run with `cargo integration-test`. Code
contributors are strongly encouraged to write integration tests for their code.
Existing tests can be used as examples. Helpers can be found in
[helpers.rs][../helix-term/tests/test/helpers.rs].

1
helix-core/Cargo.toml
Unescape Escape View File

@ -12,6 +12,7 @@ include = ["src/**/*", "README.md"]
[features]
unicode-lines = ["ropey/unicode_lines"]
integration = []
[dependencies]
helix-loader = { version = "0.6", path = "../helix-loader" }

29
helix-core/src/auto_pairs.rs
Unescape Escape View File

@ -1,12 +1,9 @@
//! When typing the opening character of one of the possible pairs defined below,
//! this module provides the functionality to insert the paired closing character.
use crate::{
graphemes, movement::Direction, Range, Rope, RopeGraphemes, Selection, Tendril, Transaction,
};
use crate::{graphemes, movement::Direction, Range, Rope, Selection, Tendril, Transaction};
use std::collections::HashMap;
use log::debug;
use smallvec::SmallVec;
// Heavily based on https://github.com/codemirror/closebrackets/
@ -125,7 +122,7 @@ impl Default for AutoPairs {
#[must_use]
pub fn hook(doc: &Rope, selection: &Selection, ch: char, pairs: &AutoPairs) -> Option<Transaction> {
debug!("autopairs hook selection: {:#?}", selection);
log::trace!("autopairs hook selection: {:#?}", selection);
if let Some(pair) = pairs.get(ch) {
if pair.same() {
@ -149,14 +146,6 @@ fn prev_char(doc: &Rope, pos: usize) -> Option<char> {
doc.get_char(pos - 1)
}
fn is_single_grapheme(doc: &Rope, range: &Range) -> bool {
let mut graphemes = RopeGraphemes::new(doc.slice(range.from()..range.to()));
let first = graphemes.next();
let second = graphemes.next();
debug!("first: {:#?}, second: {:#?}", first, second);
first.is_some() && second.is_none()
}
/// calculate what the resulting range should be for an auto pair insertion
fn get_next_range(
doc: &Rope,
@ -189,8 +178,8 @@ fn get_next_range(
);
}
let single_grapheme = is_single_grapheme(doc, start_range);
let doc_slice = doc.slice(..);
let single_grapheme = start_range.is_single_grapheme(doc_slice);
// just skip over graphemes
if len_inserted == 0 {
@ -235,9 +224,11 @@ fn get_next_range(
// other end of the grapheme to get to where the new characters
// are inserted, then move the head to where it should be
let prev_bound = graphemes::prev_grapheme_boundary(doc_slice, start_range.head);
debug!(
log::trace!(
"prev_bound: {}, offset: {}, len_inserted: {}",
prev_bound, offset, len_inserted
prev_bound,
offset,
len_inserted
);
prev_bound + offset + len_inserted
};
@ -312,7 +303,7 @@ fn handle_open(doc: &Rope, selection: &Selection, pair: &Pair) -> Transaction {
});
let t = transaction.with_selection(Selection::new(end_ranges, selection.primary_index()));
debug!("auto pair transaction: {:#?}", t);
log::debug!("auto pair transaction: {:#?}", t);
t
}
@ -344,7 +335,7 @@ fn handle_close(doc: &Rope, selection: &Selection, pair: &Pair) -> Transaction {
});
let t = transaction.with_selection(Selection::new(end_ranges, selection.primary_index()));
debug!("auto pair transaction: {:#?}", t);
log::debug!("auto pair transaction: {:#?}", t);
t
}
@ -384,7 +375,7 @@ fn handle_same(doc: &Rope, selection: &Selection, pair: &Pair) -> Transaction {
});
let t = transaction.with_selection(Selection::new(end_ranges, selection.primary_index()));
debug!("auto pair transaction: {:#?}", t);
log::debug!("auto pair transaction: {:#?}", t);
t
}

10
helix-core/src/selection.rs
Unescape Escape View File

@ -8,7 +8,7 @@ use crate::{
prev_grapheme_boundary,
},
movement::Direction,
Assoc, ChangeSet, RopeSlice,
Assoc, ChangeSet, RopeGraphemes, RopeSlice,
};
use smallvec::{smallvec, SmallVec};
use std::borrow::Cow;
@ -339,6 +339,14 @@ impl Range {
pub fn cursor_line(&self, text: RopeSlice) -> usize {
text.char_to_line(self.cursor(text))
}
/// Returns true if this Range covers a single grapheme in the given text
pub fn is_single_grapheme(&self, doc: RopeSlice) -> bool {
let mut graphemes = RopeGraphemes::new(doc.slice(self.from()..self.to()));
let first = graphemes.next();
let second = graphemes.next();
first.is_some() && second.is_none()
}
}
impl From<(usize, usize)> for Range {

1
helix-loader/Cargo.toml
Unescape Escape View File

@ -20,7 +20,6 @@ toml = "0.5"
etcetera = "0.4"
tree-sitter = "0.20"
once_cell = "1.12"
log = "0.4"
# TODO: these two should be on !wasm32 only

12
helix-loader/src/lib.rs
Unescape Escape View File

@ -11,17 +11,19 @@ pub fn runtime_dir() -> std::path::PathBuf {
return dir.into();
}
if let Ok(dir) = std::env::var("CARGO_MANIFEST_DIR") {
// this is the directory of the crate being run by cargo, we need the workspace path so we take the parent
let path = std::path::PathBuf::from(dir).parent().unwrap().join(RT_DIR);
log::debug!("runtime dir: {}", path.to_string_lossy());
return path;
}
const RT_DIR: &str = "runtime";
let conf_dir = config_dir().join(RT_DIR);
if conf_dir.exists() {
return conf_dir;
}
if let Ok(dir) = std::env::var("CARGO_MANIFEST_DIR") {
// this is the directory of the crate being run by cargo, we need the workspace path so we take the parent
return std::path::PathBuf::from(dir).parent().unwrap().join(RT_DIR);
}
// fallback to location of the executable being run
std::env::current_exe()
.ok()

6
helix-term/Cargo.toml
Unescape Escape View File

@ -17,6 +17,7 @@ app = true
[features]
unicode-lines = ["helix-core/unicode-lines"]
integration = []
[[bin]]
name = "hx"
@ -73,3 +74,8 @@ signal-hook-tokio = { version = "0.3", features = ["futures-v0_3"] }
[build-dependencies]
helix-loader = { version = "0.6", path = "../helix-loader" }
[dev-dependencies]
smallvec = "1.8"
indoc = "1.0.3"
tempfile = "3.3.0"

157
helix-term/src/application.rs
Unescape Escape View File

@ -1,4 +1,5 @@
use arc_swap::{access::Map, ArcSwap};
use futures_util::Stream;
use helix_core::{
config::{default_syntax_loader, user_syntax_loader},
pos_at_coords, syntax, Selection,
@ -24,10 +25,10 @@ use std::{
time::{Duration, Instant},
};
use anyhow::Error;
use anyhow::{Context, Error};
use crossterm::{
event::{DisableMouseCapture, EnableMouseCapture, Event, EventStream},
event::{DisableMouseCapture, EnableMouseCapture, Event},
execute, terminal,
tty::IsTty,
};
@ -39,9 +40,11 @@ use {
#[cfg(windows)]
type Signals = futures_util::stream::Empty<()>;
const LSP_DEADLINE: Duration = Duration::from_millis(16);
pub struct Application {
compositor: Compositor,
editor: Editor,
pub editor: Editor,
config: Arc<ArcSwap<Config>>,
@ -53,32 +56,39 @@ pub struct Application {
signals: Signals,
jobs: Jobs,
lsp_progress: LspProgressMap,
last_render: Instant,
}
#[cfg(feature = "integration")]
fn setup_integration_logging() {
let level = std::env::var("HELIX_LOG_LEVEL")
.map(|lvl| lvl.parse().unwrap())
.unwrap_or(log::LevelFilter::Info);
// Separate file config so we can include year, month and day in file logs
let _ = fern::Dispatch::new()
.format(|out, message, record| {
out.finish(format_args!(
"{} {} [{}] {}",
chrono::Local::now().format("%Y-%m-%dT%H:%M:%S%.3f"),
record.target(),
record.level(),
message
))
})
.level(level)
.chain(std::io::stdout())
.apply();
}
impl Application {
pub fn new(args: Args) -> Result<Self, Error> {
pub fn new(args: Args, config: Config) -> Result<Self, Error> {
#[cfg(feature = "integration")]
setup_integration_logging();
use helix_view::editor::Action;
let config_dir = helix_loader::config_dir();
if !config_dir.exists() {
std::fs::create_dir_all(&config_dir).ok();
}
let config = match std::fs::read_to_string(config_dir.join("config.toml")) {
Ok(config) => toml::from_str(&config)
.map(crate::keymap::merge_keys)
.unwrap_or_else(|err| {
eprintln!("Bad config: {}", err);
eprintln!("Press <ENTER> to continue with default config");
use std::io::Read;
// This waits for an enter press.
let _ = std::io::stdin().read(&mut []);
Config::default()
}),
Err(err) if err.kind() == std::io::ErrorKind::NotFound => Config::default(),
Err(err) => return Err(Error::new(err)),
};
let theme_loader = std::sync::Arc::new(theme::Loader::new(
&config_dir,
&helix_loader::runtime_dir(),
@ -116,7 +126,7 @@ impl Application {
});
let syn_loader = std::sync::Arc::new(syntax::Loader::new(syn_loader_conf));
let mut compositor = Compositor::new()?;
let mut compositor = Compositor::new().context("build compositor")?;
let config = Arc::new(ArcSwap::from_pointee(config));
let mut editor = Editor::new(
compositor.size(),
@ -135,26 +145,28 @@ impl Application {
if args.load_tutor {
let path = helix_loader::runtime_dir().join("tutor.txt");
editor.open(path, Action::VerticalSplit)?;
editor.open(&path, Action::VerticalSplit)?;
// Unset path to prevent accidentally saving to the original tutor file.
doc_mut!(editor).set_path(None)?;
} else if !args.files.is_empty() {
let first = &args.files[0].0; // we know it's not empty
if first.is_dir() {
std::env::set_current_dir(&first)?;
std::env::set_current_dir(&first).context("set current dir")?;
editor.new_file(Action::VerticalSplit);
let picker = ui::file_picker(".".into(), &config.load().editor);
compositor.push(Box::new(overlayed(picker)));
} else {
let nr_of_files = args.files.len();
editor.open(first.to_path_buf(), Action::VerticalSplit)?;
editor.open(first, Action::VerticalSplit)?;
for (file, pos) in args.files {
if file.is_dir() {
return Err(anyhow::anyhow!(
"expected a path to file, found a directory. (to open a directory pass it as first argument)"
));
} else {
let doc_id = editor.open(file, Action::Load)?;
let doc_id = editor
.open(&file, Action::Load)
.context(format!("open '{}'", file.to_string_lossy()))?;
// with Action::Load all documents have the same view
let view_id = editor.tree.focus;
let doc = editor.document_mut(doc_id).unwrap();
@ -168,7 +180,7 @@ impl Application {
let (view, doc) = current!(editor);
align_view(doc, view, Align::Center);
}
} else if stdin().is_tty() {
} else if stdin().is_tty() || cfg!(feature = "integration") {
editor.new_file(Action::VerticalSplit);
} else if cfg!(target_os = "macos") {
// On Linux and Windows, we allow the output of a command to be piped into the new buffer.
@ -186,7 +198,8 @@ impl Application {
#[cfg(windows)]
let signals = futures_util::stream::empty();
#[cfg(not(windows))]
let signals = Signals::new(&[signal::SIGTSTP, signal::SIGCONT])?;
let signals =
Signals::new(&[signal::SIGTSTP, signal::SIGCONT]).context("build signal handler")?;
let app = Self {
compositor,
@ -200,40 +213,57 @@ impl Application {
signals,
jobs: Jobs::new(),
lsp_progress: LspProgressMap::new(),
last_render: Instant::now(),
};
Ok(app)
}
fn render(&mut self) {
let compositor = &mut self.compositor;
let mut cx = crate::compositor::Context {
editor: &mut self.editor,
jobs: &mut self.jobs,
scroll: None,
};
self.compositor.render(&mut cx);
compositor.render(&mut cx);
}
pub async fn event_loop(&mut self) {
let mut reader = EventStream::new();
let mut last_render = Instant::now();
let deadline = Duration::from_secs(1) / 60;
pub async fn event_loop<S>(&mut self, input_stream: &mut S)
where
S: Stream<Item = crossterm::Result<crossterm::event::Event>> + Unpin,
{
self.render();
self.last_render = Instant::now();
loop {
if self.editor.should_close() {
if !self.event_loop_until_idle(input_stream).await {
break;
}
}
}
pub async fn event_loop_until_idle<S>(&mut self, input_stream: &mut S) -> bool
where
S: Stream<Item = crossterm::Result<crossterm::event::Event>> + Unpin,
{
#[cfg(feature = "integration")]
let mut idle_handled = false;
loop {
if self.editor.should_close() {
return false;
}
use futures_util::StreamExt;
tokio::select! {
biased;
event = reader.next() => {
self.handle_terminal_events(event)
Some(event) = input_stream.next() => {
self.handle_terminal_events(event);
}
Some(signal) = self.signals.next() => {
self.handle_signals(signal).await;
@ -242,9 +272,10 @@ impl Application {
self.handle_language_server_message(call, id).await;
// limit render calls for fast language server messages
let last = self.editor.language_servers.incoming.is_empty();
if last || last_render.elapsed() > deadline {
if last || self.last_render.elapsed() > LSP_DEADLINE {
self.render();
last_render = Instant::now();
self.last_render = Instant::now();
}
}
Some(payload) = self.editor.debugger_events.next() => {
@ -269,8 +300,24 @@ impl Application {
// idle timeout
self.editor.clear_idle_timer();
self.handle_idle_timeout();
#[cfg(feature = "integration")]
{
idle_handled = true;
}
}
}
// for integration tests only, reset the idle timer after every
// event to make a signal when test events are done processing
#[cfg(feature = "integration")]
{
if idle_handled {
return true;
}
self.editor.reset_idle_timer();
}
}
}
@ -370,7 +417,7 @@ impl Application {
}
}
pub fn handle_terminal_events(&mut self, event: Option<Result<Event, crossterm::ErrorKind>>) {
pub fn handle_terminal_events(&mut self, event: Result<Event, crossterm::ErrorKind>) {
let mut cx = crate::compositor::Context {
editor: &mut self.editor,
jobs: &mut self.jobs,
@ -378,15 +425,14 @@ impl Application {
};
// Handle key events
let should_redraw = match event {
Some(Ok(Event::Resize(width, height))) => {
Ok(Event::Resize(width, height)) => {
self.compositor.resize(width, height);
self.compositor
.handle_event(Event::Resize(width, height), &mut cx)
}
Some(Ok(event)) => self.compositor.handle_event(event, &mut cx),
Some(Err(x)) => panic!("{}", x),
None => panic!(),
Ok(event) => self.compositor.handle_event(event, &mut cx),
Err(x) => panic!("{}", x),
};
if should_redraw && !self.editor.should_close() {
@ -740,7 +786,10 @@ impl Application {
Ok(())
}
pub async fn run(&mut self) -> Result<i32, Error> {
pub async fn run<S>(&mut self, input_stream: &mut S) -> Result<i32, Error>
where
S: Stream<Item = crossterm::Result<crossterm::event::Event>> + Unpin,
{
self.claim_term().await?;
// Exit the alternate screen and disable raw mode before panicking
@ -755,16 +804,20 @@ impl Application {
hook(info);
}));
self.event_loop().await;
self.event_loop(input_stream).await;
self.close().await?;
self.restore_term()?;
Ok(self.editor.exit_code)
}
self.jobs.finish().await;
pub async fn close(&mut self) -> anyhow::Result<()> {
self.jobs.finish().await?;
if self.editor.close_language_servers(None).await.is_err() {
log::error!("Timed out waiting for language servers to shutdown");
};
self.restore_term()?;
Ok(self.editor.exit_code)
Ok(())
}
}

13
helix-term/src/commands.rs
Unescape Escape View File

@ -1026,7 +1026,7 @@ fn goto_file_impl(cx: &mut Context, action: Action) {
for sel in paths {
let p = sel.trim();
if !p.is_empty() {
if let Err(e) = cx.editor.open(PathBuf::from(p), action) {
if let Err(e) = cx.editor.open(&PathBuf::from(p), action) {
cx.editor.set_error(format!("Open file failed: {:?}", e));
}
}
@ -1855,7 +1855,7 @@ fn global_search(cx: &mut Context) {
}
},
move |cx, (line_num, path), action| {
match cx.editor.open(path.into(), action) {
match cx.editor.open(path, action) {
Ok(_) => {}
Err(e) => {
cx.editor.set_error(format!(
@ -2100,10 +2100,17 @@ fn insert_mode(cx: &mut Context) {
let (view, doc) = current!(cx.editor);
enter_insert_mode(doc);
log::trace!(
"entering insert mode with sel: {:?}, text: {:?}",
doc.selection(view.id),
doc.text().to_string()
);
let selection = doc
.selection(view.id)
.clone()
.transform(|range| Range::new(range.to(), range.from()));
doc.set_selection(view.id, selection);
}
@ -2449,8 +2456,8 @@ fn normal_mode(cx: &mut Context) {
graphemes::prev_grapheme_boundary(text, range.to()),
)
});
doc.set_selection(view.id, selection);
doc.set_selection(view.id, selection);
doc.restore_cursor = false;
}
}

6
helix-term/src/commands/lsp.rs
Unescape Escape View File

@ -61,7 +61,7 @@ fn jump_to_location(
return;
}
};
let _id = editor.open(path, action).expect("editor.open failed");
let _id = editor.open(&path, action).expect("editor.open failed");
let (view, doc) = current!(editor);
let definition_pos = location.range.start;
// TODO: convert inside server
@ -114,7 +114,7 @@ fn sym_picker(
return;
}
};
if let Err(err) = cx.editor.open(path, action) {
if let Err(err) = cx.editor.open(&path, action) {
let err = format!("failed to open document: {}: {}", uri, err);
log::error!("{}", err);
cx.editor.set_error(err);
@ -383,7 +383,7 @@ pub fn apply_workspace_edit(
};
let current_view_id = view!(editor).id;
let doc_id = match editor.open(path, Action::Load) {
let doc_id = match editor.open(&path, Action::Load) {
Ok(doc_id) => doc_id,
Err(err) => {
let err = format!("failed to open document: {}: {}", uri, err);

14
helix-term/src/commands/typed.rs
Unescape Escape View File

@ -50,7 +50,7 @@ fn open(
ensure!(!args.is_empty(), "wrong argument count");
for arg in args {
let (path, pos) = args::parse_file(arg);
let _ = cx.editor.open(path, Action::Replace)?;
let _ = cx.editor.open(&path, Action::Replace)?;
let (view, doc) = current!(cx.editor);
let pos = Selection::point(pos_at_coords(doc.text().slice(..), pos, true));
doc.set_selection(view.id, pos);
@ -233,6 +233,7 @@ fn write_impl(
doc.detect_language(cx.editor.syn_loader.clone());
let _ = cx.editor.refresh_language_server(id);
}
Ok(())
}
@ -422,6 +423,7 @@ fn write_quit(
event: PromptEvent,
) -> anyhow::Result<()> {
write_impl(cx, args.first(), false)?;
helix_lsp::block_on(cx.jobs.finish())?;
quit(cx, &[], event)
}
@ -819,7 +821,7 @@ fn vsplit(
} else {
for arg in args {
cx.editor
.open(PathBuf::from(arg.as_ref()), Action::VerticalSplit)?;
.open(&PathBuf::from(arg.as_ref()), Action::VerticalSplit)?;
}
}
@ -838,7 +840,7 @@ fn hsplit(
} else {
for arg in args {
cx.editor
.open(PathBuf::from(arg.as_ref()), Action::HorizontalSplit)?;
.open(&PathBuf::from(arg.as_ref()), Action::HorizontalSplit)?;
}
}
@ -923,7 +925,7 @@ fn tutor(
_event: PromptEvent,
) -> anyhow::Result<()> {
let path = helix_loader::runtime_dir().join("tutor.txt");
cx.editor.open(path, Action::Replace)?;
cx.editor.open(&path, Action::Replace)?;
// Unset path to prevent accidentally saving to the original tutor file.
doc_mut!(cx.editor).set_path(None)?;
Ok(())
@ -1150,7 +1152,7 @@ fn open_config(
_event: PromptEvent,
) -> anyhow::Result<()> {
cx.editor
.open(helix_loader::config_file(), Action::Replace)?;
.open(&helix_loader::config_file(), Action::Replace)?;
Ok(())
}
@ -1159,7 +1161,7 @@ fn open_log(
_args: &[Cow<str>],
_event: PromptEvent,
) -> anyhow::Result<()> {
cx.editor.open(helix_loader::log_file(), Action::Replace)?;
cx.editor.open(&helix_loader::log_file(), Action::Replace)?;
Ok(())
}

26
helix-term/src/compositor.rs
Unescape Escape View File

@ -5,6 +5,9 @@ use helix_core::Position;
use helix_view::graphics::{CursorKind, Rect};
use crossterm::event::Event;
#[cfg(feature = "integration")]
use tui::backend::TestBackend;
use tui::buffer::Buffer as Surface;
pub type Callback = Box<dyn FnOnce(&mut Compositor, &mut Context)>;
@ -63,11 +66,21 @@ pub trait Component: Any + AnyComponent {
}
}
use anyhow::Error;
use anyhow::Context as AnyhowContext;
use tui::backend::Backend;
#[cfg(not(feature = "integration"))]
use tui::backend::CrosstermBackend;
#[cfg(not(feature = "integration"))]
use std::io::stdout;
use tui::backend::{Backend, CrosstermBackend};
#[cfg(not(feature = "integration"))]
type Terminal = tui::terminal::Terminal<CrosstermBackend<std::io::Stdout>>;
#[cfg(feature = "integration")]
type Terminal = tui::terminal::Terminal<TestBackend>;
pub struct Compositor {
layers: Vec<Box<dyn Component>>,
terminal: Terminal,
@ -76,9 +89,14 @@ pub struct Compositor {
}
impl Compositor {
pub fn new() -> Result<Self, Error> {
pub fn new() -> anyhow::Result<Self> {
#[cfg(not(feature = "integration"))]
let backend = CrosstermBackend::new(stdout());
let terminal = Terminal::new(backend)?;
#[cfg(feature = "integration")]
let backend = TestBackend::new(120, 150);
let terminal = Terminal::new(backend).context("build terminal")?;
Ok(Self {
layers: Vec::new(),
terminal,

21
helix-term/src/job.rs
Unescape Escape View File

@ -2,7 +2,7 @@ use helix_view::Editor;
use crate::compositor::Compositor;
use futures_util::future::{self, BoxFuture, Future, FutureExt};
use futures_util::future::{BoxFuture, Future, FutureExt};
use futures_util::stream::{FuturesUnordered, StreamExt};
pub type Callback = Box<dyn FnOnce(&mut Editor, &mut Compositor) + Send>;
@ -93,8 +93,21 @@ impl Jobs {
}
/// Blocks until all the jobs that need to be waited on are done.
pub async fn finish(&mut self) {
let wait_futures = std::mem::take(&mut self.wait_futures);
wait_futures.for_each(|_| future::ready(())).await
pub async fn finish(&mut self) -> anyhow::Result<()> {
log::debug!("waiting on jobs...");
let mut wait_futures = std::mem::take(&mut self.wait_futures);
while let (Some(job), tail) = wait_futures.into_future().await {
match job {
Ok(_) => {
wait_futures = tail;
}
Err(e) => {
self.wait_futures = tail;
return Err(e);
}
}
}
Ok(())
}
}

28
helix-term/src/main.rs
Unescape Escape View File

@ -1,6 +1,8 @@
use anyhow::{Context, Result};
use anyhow::{Context, Error, Result};
use crossterm::event::EventStream;
use helix_term::application::Application;
use helix_term::args::Args;
use helix_term::config::Config;
use std::path::PathBuf;
fn setup_logging(logpath: PathBuf, verbosity: u64) -> Result<()> {
@ -110,10 +112,30 @@ FLAGS:
setup_logging(logpath, args.verbosity).context("failed to initialize logging")?;
let config_dir = helix_loader::config_dir();
if !config_dir.exists() {
std::fs::create_dir_all(&config_dir).ok();
}
let config = match std::fs::read_to_string(config_dir.join("config.toml")) {
Ok(config) => toml::from_str(&config)
.map(helix_term::keymap::merge_keys)
.unwrap_or_else(|err| {
eprintln!("Bad config: {}", err);
eprintln!("Press <ENTER> to continue with default config");
use std::io::Read;
// This waits for an enter press.
let _ = std::io::stdin().read(&mut []);
Config::default()
}),
Err(err) if err.kind() == std::io::ErrorKind::NotFound => Config::default(),
Err(err) => return Err(Error::new(err)),
};
// TODO: use the thread local executor to spawn the application task separately from the work pool
let mut app = Application::new(args).context("unable to create new application")?;
let mut app = Application::new(args, config).context("unable to create new application")?;
let exit_code = app.run().await?;
let exit_code = app.run(&mut EventStream::new()).await?;
Ok(exit_code)
}

2
helix-term/src/ui/mod.rs
Unescape Escape View File

@ -175,7 +175,7 @@ pub fn file_picker(root: PathBuf, config: &helix_view::editor::Config) -> FilePi
path.strip_prefix(&root).unwrap_or(path).to_string_lossy()
},
move |cx, path: &PathBuf, action| {
if let Err(e) = cx.editor.open(path.into(), action) {
if let Err(e) = cx.editor.open(path, action) {
let err = if let Some(err) = e.source() {
format!("{}", err)
} else {

25
helix-term/tests/integration.rs
Unescape Escape View File

@ -0,0 +1,25 @@
#[cfg(feature = "integration")]
mod test {
mod helpers;
use std::path::PathBuf;
use helix_core::{syntax::AutoPairConfig, Position, Selection};
use helix_term::{args::Args, config::Config};
use indoc::indoc;
use self::helpers::*;
#[tokio::test]
async fn hello_world() -> anyhow::Result<()> {
test(("#[\n|]#", "ihello world<esc>", "hello world#[|\n]#")).await?;
Ok(())
}
mod auto_indent;
mod auto_pairs;
mod commands;
mod movement;
mod write;
}

26
helix-term/tests/test/auto_indent.rs
Unescape Escape View File

@ -0,0 +1,26 @@
use super::*;
#[tokio::test]
async fn auto_indent_c() -> anyhow::Result<()> {
test_with_config(
Args {
files: vec![(PathBuf::from("foo.c"), Position::default())],
..Default::default()
},
Config::default(),
// switches to append mode?
(
helpers::platform_line("void foo() {#[|}]#").as_ref(),
"i<ret><esc>",
helpers::platform_line(indoc! {"\
void foo() {
#[|\n]#\
}
"})
.as_ref(),
),
)
.await?;
Ok(())
}

21
helix-term/tests/test/auto_pairs.rs
Unescape Escape View File

@ -0,0 +1,21 @@
use super::*;
#[tokio::test]
async fn auto_pairs_basic() -> anyhow::Result<()> {
test(("#[\n|]#", "i(<esc>", "(#[|)]#\n")).await?;
test_with_config(
Args::default(),
Config {
editor: helix_view::editor::Config {
auto_pairs: AutoPairConfig::Enable(false),
..Default::default()
},
..Default::default()
},
("#[\n|]#", "i(<esc>", "(#[|\n]#"),
)
.await?;
Ok(())
}

93
helix-term/tests/test/commands.rs
Unescape Escape View File

@ -0,0 +1,93 @@
use std::{
io::{Read, Write},
ops::RangeInclusive,
};
use helix_core::diagnostic::Severity;
use helix_term::application::Application;
use super::*;
#[tokio::test]
async fn test_write_quit_fail() -> anyhow::Result<()> {
let file = helpers::new_readonly_tempfile()?;
test_key_sequence(
&mut helpers::app_with_file(file.path())?,
Some("ihello<esc>:wq<ret>"),
Some(&|app| {
assert_eq!(&Severity::Error, app.editor.get_status().unwrap().1);
}),
false,
)
.await?;
Ok(())
}
#[tokio::test]
#[ignore]
async fn test_buffer_close_concurrent() -> anyhow::Result<()> {
test_key_sequences(
&mut Application::new(Args::default(), Config::default())?,
vec![
(
None,
Some(&|app| {
assert_eq!(1, app.editor.documents().count());
assert!(!app.editor.is_err());
}),
),
(
Some("ihello<esc>:new<ret>"),
Some(&|app| {
assert_eq!(2, app.editor.documents().count());
assert!(!app.editor.is_err());
}),
),
(
Some(":buffer<minus>close<ret>"),
Some(&|app| {
assert_eq!(1, app.editor.documents().count());
assert!(!app.editor.is_err());
}),
),
],
false,
)
.await?;
// verify if writes are queued up, it finishes them before closing the buffer
let mut file = tempfile::NamedTempFile::new()?;
let mut command = String::new();
const RANGE: RangeInclusive<i32> = 1..=1000;
for i in RANGE {
let cmd = format!("%c{}<esc>:w<ret>", i);
command.push_str(&cmd);
}
command.push_str(":buffer<minus>close<ret>");
test_key_sequence(
&mut helpers::app_with_file(file.path())?,
Some(&command),
Some(&|app| {
assert!(!app.editor.is_err(), "error: {:?}", app.editor.get_status());
let doc = app.editor.document_by_path(file.path());
assert!(doc.is_none(), "found doc: {:?}", doc);
}),
false,
)
.await?;
file.as_file_mut().flush()?;
file.as_file_mut().sync_all()?;
let mut file_content = String::new();
file.as_file_mut().read_to_string(&mut file_content)?;
assert_eq!(RANGE.end().to_string(), file_content);
Ok(())
}

213
helix-term/tests/test/helpers.rs
Unescape Escape View File

@ -0,0 +1,213 @@
use std::{io::Write, path::PathBuf, time::Duration};
use anyhow::bail;
use crossterm::event::{Event, KeyEvent};
use helix_core::{test, Selection, Transaction};
use helix_term::{application::Application, args::Args, config::Config};
use helix_view::{doc, input::parse_macro};
use tempfile::NamedTempFile;
use tokio_stream::wrappers::UnboundedReceiverStream;
#[derive(Clone, Debug)]
pub struct TestCase {
pub in_text: String,
pub in_selection: Selection,
pub in_keys: String,
pub out_text: String,
pub out_selection: Selection,
}
impl<S: Into<String>> From<(S, S, S)> for TestCase {
fn from((input, keys, output): (S, S, S)) -> Self {
let (in_text, in_selection) = test::print(&input.into());
let (out_text, out_selection) = test::print(&output.into());
TestCase {
in_text,
in_selection,
in_keys: keys.into(),
out_text,
out_selection,
}
}
}
#[inline]
pub async fn test_key_sequence(
app: &mut Application,
in_keys: Option<&str>,
test_fn: Option<&dyn Fn(&Application)>,
should_exit: bool,
) -> anyhow::Result<()> {
test_key_sequences(app, vec![(in_keys, test_fn)], should_exit).await
}
#[allow(clippy::type_complexity)]
pub async fn test_key_sequences(
app: &mut Application,
inputs: Vec<(Option<&str>, Option<&dyn Fn(&Application)>)>,
should_exit: bool,
) -> anyhow::Result<()> {
const TIMEOUT: Duration = Duration::from_millis(500);
let (tx, rx) = tokio::sync::mpsc::unbounded_channel();
let mut rx_stream = UnboundedReceiverStream::new(rx);
let num_inputs = inputs.len();
for (i, (in_keys, test_fn)) in inputs.into_iter().enumerate() {
if let Some(in_keys) = in_keys {
for key_event in parse_macro(in_keys)?.into_iter() {
tx.send(Ok(Event::Key(KeyEvent::from(key_event))))?;
}
}
let app_exited = !app.event_loop_until_idle(&mut rx_stream).await;
// the app should not exit from any test until the last one
if i < num_inputs - 1 && app_exited {
bail!("application exited before test function could run");
}
// verify if it exited on the last iteration if it should have and
// the inverse
if i == num_inputs - 1 && app_exited != should_exit {
bail!("expected app to exit: {} != {}", app_exited, should_exit);
}
if let Some(test) = test_fn {
test(app);
};
}
if !should_exit {
for key_event in parse_macro("<esc>:q!<ret>")?.into_iter() {
tx.send(Ok(Event::Key(KeyEvent::from(key_event))))?;
}
let event_loop = app.event_loop(&mut rx_stream);
tokio::time::timeout(TIMEOUT, event_loop).await?;
}
app.close().await?;
Ok(())
}
pub async fn test_key_sequence_with_input_text<T: Into<TestCase>>(
app: Option<Application>,
test_case: T,
test_fn: &dyn Fn(&Application),
should_exit: bool,
) -> anyhow::Result<()> {
let test_case = test_case.into();
let mut app = match app {
Some(app) => app,
None => Application::new(Args::default(), Config::default())?,
};
let (view, doc) = helix_view::current!(app.editor);
let sel = doc.selection(view.id).clone();
// replace the initial text with the input text
doc.apply(
&Transaction::change_by_selection(doc.text(), &sel, |_| {
(0, doc.text().len_chars(), Some((&test_case.in_text).into()))
})
.with_selection(test_case.in_selection.clone()),
view.id,
);
test_key_sequence(
&mut app,
Some(&test_case.in_keys),
Some(test_fn),
should_exit,
)
.await
}
/// Use this for very simple test cases where there is one input
/// document, selection, and sequence of key presses, and you just
/// want to verify the resulting document and selection.
pub async fn test_with_config<T: Into<TestCase>>(
args: Args,
config: Config,
test_case: T,
) -> anyhow::Result<()> {
let test_case = test_case.into();
let app = Application::new(args, config)?;
test_key_sequence_with_input_text(
Some(app),
test_case.clone(),
&|app| {
let doc = doc!(app.editor);
assert_eq!(&test_case.out_text, doc.text());
let mut selections: Vec<_> = doc.selections().values().cloned().collect();
assert_eq!(1, selections.len());
let sel = selections.pop().unwrap();
assert_eq!(test_case.out_selection, sel);
},
false,
)
.await
}
pub async fn test<T: Into<TestCase>>(test_case: T) -> anyhow::Result<()> {
test_with_config(Args::default(), Config::default(), test_case).await
}
pub fn temp_file_with_contents<S: AsRef<str>>(
content: S,
) -> anyhow::Result<tempfile::NamedTempFile> {
let mut temp_file = tempfile::NamedTempFile::new()?;
temp_file
.as_file_mut()
.write_all(content.as_ref().as_bytes())?;
temp_file.flush()?;
temp_file.as_file_mut().sync_all()?;
Ok(temp_file)
}
/// Replaces all LF chars with the system's appropriate line feed
/// character, and if one doesn't exist already, appends the system's
/// appropriate line ending to the end of a string.
pub fn platform_line(input: &str) -> String {
let line_end = helix_core::DEFAULT_LINE_ENDING.as_str();
// we can assume that the source files in this code base will always
// be LF, so indoc strings will always insert LF
let mut output = input.replace('\n', line_end);
if !output.ends_with(line_end) {
output.push_str(line_end);
}
output
}
/// Creates a new temporary file that is set to read only. Useful for
/// testing write failures.
pub fn new_readonly_tempfile() -> anyhow::Result<NamedTempFile> {
let mut file = tempfile::NamedTempFile::new()?;
let metadata = file.as_file().metadata()?;
let mut perms = metadata.permissions();
perms.set_readonly(true);
file.as_file_mut().set_permissions(perms)?;
Ok(file)
}
/// Creates a new Application with default config that opens the given file
/// path
pub fn app_with_file<P: Into<PathBuf>>(path: P) -> anyhow::Result<Application> {
Application::new(
Args {
files: vec![(path.into(), helix_core::Position::default())],
..Default::default()
},
Config::default(),
)
}

87
helix-term/tests/test/movement.rs
Unescape Escape View File

@ -0,0 +1,87 @@
use super::*;
#[tokio::test]
async fn insert_mode_cursor_position() -> anyhow::Result<()> {
test(TestCase {
in_text: String::new(),
in_selection: Selection::single(0, 0),
in_keys: "i".into(),
out_text: String::new(),
out_selection: Selection::single(0, 0),
})
.await?;
test(("#[\n|]#", "i", "#[|\n]#")).await?;
test(("#[\n|]#", "i<esc>", "#[|\n]#")).await?;
test(("#[\n|]#", "i<esc>i", "#[|\n]#")).await?;
Ok(())
}
/// Range direction is preserved when escaping insert mode to normal
#[tokio::test]
async fn insert_to_normal_mode_cursor_position() -> anyhow::Result<()> {
test(("#[f|]#oo\n", "vll<A-;><esc>", "#[|foo]#\n")).await?;
test((
indoc! {"\
#[f|]#oo
#(b|)#ar"
},
"vll<A-;><esc>",
indoc! {"\
#[|foo]#
#(|bar)#"
},
))
.await?;
test((
indoc! {"\
#[f|]#oo
#(b|)#ar"
},
"a",
indoc! {"\
#[fo|]#o
#(ba|)#r"
},
))
.await?;
test((
indoc! {"\
#[f|]#oo
#(b|)#ar"
},
"a<esc>",
indoc! {"\
#[f|]#oo
#(b|)#ar"
},
))
.await?;
Ok(())
}
/// Ensure the very initial cursor in an opened file is the width of
/// the first grapheme
#[tokio::test]
async fn cursor_position_newly_opened_file() -> anyhow::Result<()> {
let test = |content: &str, expected_sel: Selection| -> anyhow::Result<()> {
let file = helpers::temp_file_with_contents(content)?;
let mut app = helpers::app_with_file(file.path())?;
let (view, doc) = helix_view::current!(app.editor);
let sel = doc.selection(view.id).clone();
assert_eq!(expected_sel, sel);
Ok(())
};
test("foo", Selection::single(0, 1))?;
test("👨‍👩‍👧‍👦 foo", Selection::single(0, 7))?;
test("", Selection::single(0, 0))?;
Ok(())
}

169
helix-term/tests/test/write.rs
Unescape Escape View File

@ -0,0 +1,169 @@
use std::{
io::{Read, Write},
ops::RangeInclusive,
};
use helix_core::diagnostic::Severity;
use helix_term::application::Application;
use helix_view::doc;
use super::*;
#[tokio::test]
async fn test_write() -> anyhow::Result<()> {
let mut file = tempfile::NamedTempFile::new()?;
test_key_sequence(
&mut helpers::app_with_file(file.path())?,
Some("ithe gostak distims the doshes<ret><esc>:w<ret>"),
None,
false,
)
.await?;
file.as_file_mut().flush()?;
file.as_file_mut().sync_all()?;
let mut file_content = String::new();
file.as_file_mut().read_to_string(&mut file_content)?;
assert_eq!(
helpers::platform_line("the gostak distims the doshes"),
file_content
);
Ok(())
}
#[tokio::test]
async fn test_write_quit() -> anyhow::Result<()> {
let mut file = tempfile::NamedTempFile::new()?;
test_key_sequence(
&mut helpers::app_with_file(file.path())?,
Some("ithe gostak distims the doshes<ret><esc>:wq<ret>"),
None,
true,
)
.await?;
file.as_file_mut().flush()?;
file.as_file_mut().sync_all()?;
let mut file_content = String::new();
file.as_file_mut().read_to_string(&mut file_content)?;
assert_eq!(
helpers::platform_line("the gostak distims the doshes"),
file_content
);
Ok(())
}
#[tokio::test]
#[ignore]
async fn test_write_concurrent() -> anyhow::Result<()> {
let mut file = tempfile::NamedTempFile::new()?;
let mut command = String::new();
const RANGE: RangeInclusive<i32> = 1..=5000;
for i in RANGE {
let cmd = format!("%c{}<esc>:w<ret>", i);
command.push_str(&cmd);
}
test_key_sequence(
&mut helpers::app_with_file(file.path())?,
Some(&command),
None,
false,
)
.await?;
file.as_file_mut().flush()?;
file.as_file_mut().sync_all()?;
let mut file_content = String::new();
file.as_file_mut().read_to_string(&mut file_content)?;
assert_eq!(RANGE.end().to_string(), file_content);
Ok(())
}
#[tokio::test]
#[ignore]
async fn test_write_fail_mod_flag() -> anyhow::Result<()> {
let file = helpers::new_readonly_tempfile()?;
test_key_sequences(
&mut helpers::app_with_file(file.path())?,
vec![
(
None,
Some(&|app| {
let doc = doc!(app.editor);
assert!(!doc.is_modified());
}),
),
(
Some("ihello<esc>"),
Some(&|app| {
let doc = doc!(app.editor);
assert!(doc.is_modified());
}),
),
(
Some(":w<ret>"),
Some(&|app| {
assert_eq!(&Severity::Error, app.editor.get_status().unwrap().1);
let doc = doc!(app.editor);
assert!(doc.is_modified());
}),
),
],
false,
)
.await?;
Ok(())
}
#[tokio::test]
#[ignore]
async fn test_write_fail_new_path() -> anyhow::Result<()> {
let file = helpers::new_readonly_tempfile()?;
test_key_sequences(
&mut Application::new(Args::default(), Config::default())?,
vec![
(
None,
Some(&|app| {
let doc = doc!(app.editor);
assert_ne!(
Some(&Severity::Error),
app.editor.get_status().map(|status| status.1)
);
assert_eq!(None, doc.path());
}),
),
(
Some(&format!(":w {}<ret>", file.path().to_string_lossy())),
Some(&|app| {
let doc = doc!(app.editor);
assert_eq!(
Some(&Severity::Error),
app.editor.get_status().map(|status| status.1)
);
assert_eq!(None, doc.path());
}),
),
],
false,
)
.await?;
Ok(())
}

34
helix-view/src/document.rs
Unescape Escape View File

@ -1,5 +1,6 @@
use anyhow::{anyhow, bail, Context, Error};
use helix_core::auto_pairs::AutoPairs;
use helix_core::Range;
use serde::de::{self, Deserialize, Deserializer};
use serde::Serialize;
use std::cell::Cell;
@ -83,7 +84,7 @@ impl Serialize for Mode {
pub struct Document {
pub(crate) id: DocumentId,
text: Rope,
pub(crate) selections: HashMap<ViewId, Selection>,
selections: HashMap<ViewId, Selection>,
path: Option<PathBuf>,
encoding: &'static encoding::Encoding,
@ -637,6 +638,37 @@ impl Document {
.insert(view_id, selection.ensure_invariants(self.text().slice(..)));
}
/// Find the origin selection of the text in a document, i.e. where
/// a single cursor would go if it were on the first grapheme. If
/// the text is empty, returns (0, 0).
pub fn origin(&self) -> Range {
if self.text().len_chars() == 0 {
return Range::new(0, 0);
}
Range::new(0, 1).grapheme_aligned(self.text().slice(..))
}
/// Reset the view's selection on this document to the
/// [origin](Document::origin) cursor.
pub fn reset_selection(&mut self, view_id: ViewId) {
let origin = self.origin();
self.set_selection(view_id, Selection::single(origin.anchor, origin.head));
}
/// Initializes a new selection for the given view if it does not
/// already have one.
pub fn ensure_view_init(&mut self, view_id: ViewId) {
if self.selections.get(&view_id).is_none() {
self.reset_selection(view_id);
}
}
/// Remove a view's selection from this document.
pub fn remove_view(&mut self, view_id: ViewId) {
self.selections.remove(&view_id);
}
/// Apply a [`Transaction`] to the [`Document`] to change its text.
fn apply_impl(&mut self, transaction: &Transaction, view_id: ViewId) -> bool {
let old_doc = self.text().clone();

41
helix-view/src/editor.rs
Unescape Escape View File

@ -32,12 +32,12 @@ use anyhow::{bail, Error};
pub use helix_core::diagnostic::Severity;
pub use helix_core::register::Registers;
use helix_core::Position;
use helix_core::{
auto_pairs::AutoPairs,
syntax::{self, AutoPairConfig},
Change,
};
use helix_core::{Position, Selection};
use helix_dap as dap;
use serde::{ser::SerializeMap, Deserialize, Deserializer, Serialize, Serializer};
@ -590,6 +590,20 @@ impl Editor {
self.status_msg = Some((error.into(), Severity::Error));
}
#[inline]
pub fn get_status(&self) -> Option<(&Cow<'static, str>, &Severity)> {
self.status_msg.as_ref().map(|(status, sev)| (status, sev))
}
/// Returns true if the current status is an error
#[inline]
pub fn is_err(&self) -> bool {
self.status_msg
.as_ref()
.map(|(_, sev)| *sev == Severity::Error)
.unwrap_or(false)
}
pub fn set_theme(&mut self, theme: Theme) {
// `ui.selection` is the only scope required to be able to render a theme.
if theme.find_scope_index("ui.selection").is_none() {
@ -664,11 +678,8 @@ impl Editor {
view.offset = Position::default();
let doc = self.documents.get_mut(&doc_id).unwrap();
doc.ensure_view_init(view.id);
// initialize selection for view
doc.selections
.entry(view.id)
.or_insert_with(|| Selection::point(0));
// TODO: reuse align_view
let pos = doc
.selection(view.id)
@ -738,9 +749,7 @@ impl Editor {
Action::Load => {
let view_id = view!(self).id;
let doc = self.documents.get_mut(&id).unwrap();
if doc.selections().is_empty() {
doc.set_selection(view_id, Selection::point(0));
}
doc.ensure_view_init(view_id);
return;
}
Action::HorizontalSplit | Action::VerticalSplit => {
@ -755,7 +764,7 @@ impl Editor {
);
// initialize selection for view
let doc = self.documents.get_mut(&id).unwrap();
doc.set_selection(view_id, Selection::point(0));
doc.ensure_view_init(view_id);
}
}
@ -788,8 +797,9 @@ impl Editor {
Ok(self.new_file_from_document(action, Document::from(rope, Some(encoding))))
}
pub fn open(&mut self, path: PathBuf, action: Action) -> Result<DocumentId, Error> {
let path = helix_core::path::get_canonicalized_path(&path)?;
// ??? possible use for integration tests
pub fn open(&mut self, path: &Path, action: Action) -> Result<DocumentId, Error> {
let path = helix_core::path::get_canonicalized_path(path)?;
let id = self.document_by_path(&path).map(|doc| doc.id);
let id = if let Some(id) = id {
@ -809,12 +819,7 @@ impl Editor {
pub fn close(&mut self, id: ViewId) {
let view = self.tree.get(self.tree.focus);
// remove selection
self.documents
.get_mut(&view.doc)
.unwrap()
.selections
.remove(&id);
self.documents.get_mut(&view.doc).unwrap().remove_view(id);
self.tree.remove(id);
self._refresh();
}
@ -889,7 +894,7 @@ impl Editor {
let view = View::new(doc_id, self.config().gutters.clone());
let view_id = self.tree.insert(view);
let doc = self.documents.get_mut(&doc_id).unwrap();
doc.set_selection(view_id, Selection::point(0));
doc.ensure_view_init(view_id);
}
self._refresh();

2
helix-view/src/handlers/dap.rs
Unescape Escape View File

@ -62,7 +62,7 @@ pub fn jump_to_stack_frame(editor: &mut Editor, frame: &helix_dap::StackFrame) {
return;
};
if let Err(e) = editor.open(path, Action::Replace) {
if let Err(e) = editor.open(&path, Action::Replace) {
editor.set_error(format!("Unable to jump to stack frame: {}", e));
return;
}

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