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jj/tests/test_diff_command.rs
Martin von Zweigbergk e64ca31bfd cli: show diff summary as two states instead of transition 
By using one letter for the path type before and one letter for path
type after, we can encode much more information than just the current
'M'/'A'/'R'. In particular, we can indicate new and resolved
conflicts. The color still encodes the same information as before. The
output looks a bit weird after many years of using `hg status`. It's a
bit more similar to the `git status -s` format with one letter for the
index and one with the working copy. Will we get used to it and find
it useful?
2023-03-16 08:01:13 -07:00

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// Copyright 2022 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use std::path::PathBuf;
use common::TestEnvironment;
pub mod common;
#[test]
fn test_diff_basic() {
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
std::fs::write(repo_path.join("file1"), "foo\n").unwrap();
std::fs::write(repo_path.join("file2"), "foo\n").unwrap();
test_env.jj_cmd_success(&repo_path, &["new"]);
std::fs::remove_file(repo_path.join("file1")).unwrap();
std::fs::write(repo_path.join("file2"), "foo\nbar\n").unwrap();
std::fs::write(repo_path.join("file3"), "foo\n").unwrap();
let stdout = test_env.jj_cmd_success(&repo_path, &["diff"]);
insta::assert_snapshot!(stdout, @r###"
Removed regular file file1:
1 : foo
Modified regular file file2:
1 1: foo
2: bar
Added regular file file3:
1: foo
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
insta::assert_snapshot!(stdout, @r###"
R file1
M file2
A file3
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "--types"]);
insta::assert_snapshot!(stdout, @r###"
F- file1
FF file2
-F file3
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "--git"]);
insta::assert_snapshot!(stdout, @r###"
diff --git a/file1 b/file1
deleted file mode 100644
index 257cc5642c..0000000000
--- a/file1
+++ /dev/null
@@ -1,1 +1,0 @@
-foo
diff --git a/file2 b/file2
index 257cc5642c...3bd1f0e297 100644
--- a/file2
+++ b/file2
@@ -1,1 +1,2 @@
foo
+bar
diff --git a/file3 b/file3
new file mode 100644
index 0000000000..257cc5642c
--- /dev/null
+++ b/file3
@@ -1,0 +1,1 @@
+foo
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s", "--git"]);
insta::assert_snapshot!(stdout, @r###"
R file1
M file2
A file3
diff --git a/file1 b/file1
deleted file mode 100644
index 257cc5642c..0000000000
--- a/file1
+++ /dev/null
@@ -1,1 +1,0 @@
-foo
diff --git a/file2 b/file2
index 257cc5642c...3bd1f0e297 100644
--- a/file2
+++ b/file2
@@ -1,1 +1,2 @@
foo
+bar
diff --git a/file3 b/file3
new file mode 100644
index 0000000000..257cc5642c
--- /dev/null
+++ b/file3
@@ -1,0 +1,1 @@
+foo
"###);
}
#[test]
fn test_diff_types() {
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
let file_path = repo_path.join("foo");
// Missing
test_env.jj_cmd_success(&repo_path, &["new", "root", "-m=missing"]);
// Normal file
test_env.jj_cmd_success(&repo_path, &["new", "root", "-m=file"]);
std::fs::write(&file_path, "foo").unwrap();
// Conflict (add/add)
test_env.jj_cmd_success(&repo_path, &["new", "root", "-m=conflict"]);
std::fs::write(&file_path, "foo").unwrap();
test_env.jj_cmd_success(&repo_path, &["new", "root"]);
std::fs::write(&file_path, "bar").unwrap();
test_env.jj_cmd_success(&repo_path, &["move", r#"--to=description("conflict")"#]);
#[cfg(unix)]
{
use std::os::unix::fs::PermissionsExt;
// Executable
test_env.jj_cmd_success(&repo_path, &["new", "root", "-m=executable"]);
std::fs::write(&file_path, "foo").unwrap();
std::fs::set_permissions(&file_path, std::fs::Permissions::from_mode(0o755)).unwrap();
// Symlink
test_env.jj_cmd_success(&repo_path, &["new", "root", "-m=symlink"]);
std::os::unix::fs::symlink(PathBuf::from("."), &file_path).unwrap();
}
let diff = |from: &str, to: &str| {
test_env.jj_cmd_success(
&repo_path,
&[
"diff",
"--types",
&format!(r#"--from=description("{}")"#, from),
&format!(r#"--to=description("{}")"#, to),
],
)
};
insta::assert_snapshot!(diff("missing", "file"), @r###"
-F foo
"###);
insta::assert_snapshot!(diff("file", "conflict"), @r###"
FC foo
"###);
insta::assert_snapshot!(diff("conflict", "missing"), @r###"
C- foo
"###);
#[cfg(unix)]
{
insta::assert_snapshot!(diff("symlink", "file"), @r###"
LF foo
"###);
insta::assert_snapshot!(diff("missing", "executable"), @r###"
-F foo
"###);
}
}
#[test]
fn test_diff_bad_args() {
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
let stderr = test_env.jj_cmd_cli_error(&repo_path, &["diff", "-s", "--types"]);
insta::assert_snapshot!(stderr, @r###"
error: The argument '--summary' cannot be used with '--types'
Usage: jj diff --summary [PATHS]...
For more information try '--help'
"###);
let stderr = test_env.jj_cmd_cli_error(&repo_path, &["diff", "--color-words", "--git"]);
insta::assert_snapshot!(stderr, @r###"
error: The argument '--color-words' cannot be used with '--git'
Usage: jj diff --color-words [PATHS]...
For more information try '--help'
"###);
}
#[test]
fn test_diff_relative_paths() {
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
std::fs::create_dir_all(repo_path.join("dir1").join("subdir1")).unwrap();
std::fs::create_dir(repo_path.join("dir2")).unwrap();
std::fs::write(repo_path.join("file1"), "foo1\n").unwrap();
std::fs::write(repo_path.join("dir1").join("file2"), "foo2\n").unwrap();
std::fs::write(
repo_path.join("dir1").join("subdir1").join("file3"),
"foo3\n",
)
.unwrap();
std::fs::write(repo_path.join("dir2").join("file4"), "foo4\n").unwrap();
test_env.jj_cmd_success(&repo_path, &["new"]);
std::fs::write(repo_path.join("file1"), "bar1\n").unwrap();
std::fs::write(repo_path.join("dir1").join("file2"), "bar2\n").unwrap();
std::fs::write(
repo_path.join("dir1").join("subdir1").join("file3"),
"bar3\n",
)
.unwrap();
std::fs::write(repo_path.join("dir2").join("file4"), "bar4\n").unwrap();
let stdout = test_env.jj_cmd_success(&repo_path.join("dir1"), &["diff"]);
#[cfg(unix)]
insta::assert_snapshot!(stdout, @r###"
Modified regular file file2:
1 1: foo2bar2
Modified regular file subdir1/file3:
1 1: foo3bar3
Modified regular file ../dir2/file4:
1 1: foo4bar4
Modified regular file ../file1:
1 1: foo1bar1
"###);
#[cfg(windows)]
insta::assert_snapshot!(stdout, @r###"
Modified regular file file2:
1 1: foo2bar2
Modified regular file subdir1\file3:
1 1: foo3bar3
Modified regular file ..\dir2\file4:
1 1: foo4bar4
Modified regular file ..\file1:
1 1: foo1bar1
"###);
let stdout = test_env.jj_cmd_success(&repo_path.join("dir1"), &["diff", "-s"]);
#[cfg(unix)]
insta::assert_snapshot!(stdout, @r###"
M file2
M subdir1/file3
M ../dir2/file4
M ../file1
"###);
#[cfg(windows)]
insta::assert_snapshot!(stdout, @r###"
M file2
M subdir1\file3
M ..\dir2\file4
M ..\file1
"###);
let stdout = test_env.jj_cmd_success(&repo_path.join("dir1"), &["diff", "--types"]);
#[cfg(unix)]
insta::assert_snapshot!(stdout, @r###"
FF file2
FF subdir1/file3
FF ../dir2/file4
FF ../file1
"###);
#[cfg(windows)]
insta::assert_snapshot!(stdout, @r###"
FF file2
FF subdir1\file3
FF ..\dir2\file4
FF ..\file1
"###);
let stdout = test_env.jj_cmd_success(&repo_path.join("dir1"), &["diff", "--git"]);
insta::assert_snapshot!(stdout, @r###"
diff --git a/dir1/file2 b/dir1/file2
index 54b060eee9...1fe912cdd8 100644
--- a/dir1/file2
+++ b/dir1/file2
@@ -1,1 +1,1 @@
-foo2
+bar2
diff --git a/dir1/subdir1/file3 b/dir1/subdir1/file3
index c1ec6c6f12...f3c8b75ec6 100644
--- a/dir1/subdir1/file3
+++ b/dir1/subdir1/file3
@@ -1,1 +1,1 @@
-foo3
+bar3
diff --git a/dir2/file4 b/dir2/file4
index a0016dbc4c...17375f7a12 100644
--- a/dir2/file4
+++ b/dir2/file4
@@ -1,1 +1,1 @@
-foo4
+bar4
diff --git a/file1 b/file1
index 1715acd6a5...05c4fe6772 100644
--- a/file1
+++ b/file1
@@ -1,1 +1,1 @@
-foo1
+bar1
"###);
}
#[test]
fn test_diff_missing_newline() {
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
std::fs::write(repo_path.join("file1"), "foo").unwrap();
std::fs::write(repo_path.join("file2"), "foo\nbar").unwrap();
test_env.jj_cmd_success(&repo_path, &["new"]);
std::fs::write(repo_path.join("file1"), "foo\nbar").unwrap();
std::fs::write(repo_path.join("file2"), "foo").unwrap();
let stdout = test_env.jj_cmd_success(&repo_path, &["diff"]);
insta::assert_snapshot!(stdout, @r###"
Modified regular file file1:
1 1: foo
2: bar
Modified regular file file2:
1 1: foo
2 : bar
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "--git"]);
insta::assert_snapshot!(stdout, @r###"
diff --git a/file1 b/file1
index 1910281566...a907ec3f43 100644
--- a/file1
+++ b/file1
@@ -1,1 +1,2 @@
-foo
\ No newline at end of file
+foo
+bar
\ No newline at end of file
diff --git a/file2 b/file2
index a907ec3f43...1910281566 100644
--- a/file2
+++ b/file2
@@ -1,2 +1,1 @@
-foo
-bar
\ No newline at end of file
+foo
\ No newline at end of file
"###);
}
#[test]
fn test_color_words_diff_missing_newline() {
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
std::fs::write(repo_path.join("file1"), "").unwrap();
test_env.jj_cmd_success(&repo_path, &["commit", "-m", "=== Empty"]);
std::fs::write(repo_path.join("file1"), "a\nb\nc\nd\ne\nf\ng\nh\ni").unwrap();
test_env.jj_cmd_success(&repo_path, &["commit", "-m", "=== Add no newline"]);
std::fs::write(repo_path.join("file1"), "A\nb\nc\nd\ne\nf\ng\nh\ni").unwrap();
test_env.jj_cmd_success(&repo_path, &["commit", "-m", "=== Modify first line"]);
std::fs::write(repo_path.join("file1"), "A\nb\nc\nd\nE\nf\ng\nh\ni").unwrap();
test_env.jj_cmd_success(&repo_path, &["commit", "-m", "=== Modify middle line"]);
std::fs::write(repo_path.join("file1"), "A\nb\nc\nd\nE\nf\ng\nh\nI").unwrap();
test_env.jj_cmd_success(&repo_path, &["commit", "-m", "=== Modify last line"]);
std::fs::write(repo_path.join("file1"), "A\nb\nc\nd\nE\nf\ng\nh\nI\n").unwrap();
test_env.jj_cmd_success(&repo_path, &["commit", "-m", "=== Append newline"]);
std::fs::write(repo_path.join("file1"), "A\nb\nc\nd\nE\nf\ng\nh\nI").unwrap();
test_env.jj_cmd_success(&repo_path, &["commit", "-m", "=== Remove newline"]);
std::fs::write(repo_path.join("file1"), "").unwrap();
test_env.jj_cmd_success(&repo_path, &["commit", "-m", "=== Empty"]);
let stdout = test_env.jj_cmd_success(
&repo_path,
&["log", "-Tdescription", "-pr:@-", "--no-graph", "--reversed"],
);
insta::assert_snapshot!(stdout, @r###"
=== Empty
Added regular file file1:
=== Add no newline
Modified regular file file1:
1: a
2: b
3: c
4: d
5: e
6: f
7: g
8: h
9: i
=== Modify first line
Modified regular file file1:
1 1: aA
2 2: b
3 3: c
4 4: d
...
=== Modify middle line
Modified regular file file1:
1 1: A
2 2: b
3 3: c
4 4: d
5 5: eE
6 6: f
7 7: g
8 8: h
9 9: i
=== Modify last line
Modified regular file file1:
...
6 6: f
7 7: g
8 8: h
9 9: iI
=== Append newline
Modified regular file file1:
...
6 6: f
7 7: g
8 8: h
9 9: I
=== Remove newline
Modified regular file file1:
...
6 6: f
7 7: g
8 8: h
9 9: I
=== Empty
Modified regular file file1:
1 : A
2 : b
3 : c
4 : d
5 : E
6 : f
7 : g
8 : h
9 : I
"###);
}
#[test]
fn test_diff_skipped_context() {
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
std::fs::write(repo_path.join("file1"), "a\nb\nc\nd\ne\nf\ng\nh\ni\nj").unwrap();
test_env.jj_cmd_success(&repo_path, &["describe", "-m", "=== Left side of diffs"]);
test_env.jj_cmd_success(&repo_path, &["new", "@", "-m", "=== Must skip 2 lines"]);
std::fs::write(repo_path.join("file1"), "A\nb\nc\nd\ne\nf\ng\nh\ni\nJ").unwrap();
test_env.jj_cmd_success(&repo_path, &["new", "@-", "-m", "=== Don't skip 1 line"]);
std::fs::write(repo_path.join("file1"), "A\nb\nc\nd\ne\nf\ng\nh\nI\nj").unwrap();
test_env.jj_cmd_success(&repo_path, &["new", "@-", "-m", "=== No gap to skip"]);
std::fs::write(repo_path.join("file1"), "a\nB\nc\nd\ne\nf\ng\nh\nI\nj").unwrap();
test_env.jj_cmd_success(&repo_path, &["new", "@-", "-m", "=== No gap to skip"]);
std::fs::write(repo_path.join("file1"), "a\nb\nC\nd\ne\nf\ng\nh\nI\nj").unwrap();
test_env.jj_cmd_success(&repo_path, &["new", "@-", "-m", "=== 1 line at start"]);
std::fs::write(repo_path.join("file1"), "a\nb\nc\nd\nE\nf\ng\nh\ni\nj").unwrap();
test_env.jj_cmd_success(&repo_path, &["new", "@-", "-m", "=== 1 line at end"]);
std::fs::write(repo_path.join("file1"), "a\nb\nc\nd\ne\nF\ng\nh\ni\nj").unwrap();
let stdout = test_env.jj_cmd_success(
&repo_path,
&["log", "-Tdescription", "-p", "--no-graph", "--reversed"],
);
insta::assert_snapshot!(stdout, @r###"
=== Left side of diffs
Added regular file file1:
1: a
2: b
3: c
4: d
5: e
6: f
7: g
8: h
9: i
10: j
=== Must skip 2 lines
Modified regular file file1:
1 1: aA
2 2: b
3 3: c
4 4: d
...
7 7: g
8 8: h
9 9: i
10 10: jJ
=== Don't skip 1 line
Modified regular file file1:
1 1: aA
2 2: b
3 3: c
4 4: d
5 5: e
6 6: f
7 7: g
8 8: h
9 9: iI
10 10: j
=== No gap to skip
Modified regular file file1:
1 1: a
2 2: bB
3 3: c
4 4: d
5 5: e
6 6: f
7 7: g
8 8: h
9 9: iI
10 10: j
=== No gap to skip
Modified regular file file1:
1 1: a
2 2: b
3 3: cC
4 4: d
5 5: e
6 6: f
7 7: g
8 8: h
9 9: iI
10 10: j
=== 1 line at start
Modified regular file file1:
1 1: a
2 2: b
3 3: c
4 4: d
5 5: eE
6 6: f
7 7: g
8 8: h
...
=== 1 line at end
Modified regular file file1:
...
3 3: c
4 4: d
5 5: e
6 6: fF
7 7: g
8 8: h
9 9: i
10 10: j
"###);
}
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