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tests/difftastic: add

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Signed-off-by: Austin Horstman <khaneliman12@gmail.com>
This commit is contained in:
Austin Horstman 2025-10-16 21:11:59 -05:00
parent 111329b475
commit 4166d4e163
6 changed files with 128 additions and 0 deletions
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7
tests/modules/programs/difftastic/default.nix Normal file
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{
difftastic-basic = ./difftastic-basic.nix;
difftastic-with-git-integration = ./difftastic-with-git-integration.nix;
difftastic-with-git-external-diff = ./difftastic-with-git-external-diff.nix;
difftastic-with-git-difftool = ./difftastic-with-git-difftool.nix;
difftastic-migration = ./difftastic-migration.nix;
}

18
tests/modules/programs/difftastic/difftastic-basic.nix Normal file
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{
programs.difftastic = {
enable = true;
options = {
color = "always";
display = "side-by-side";
};
};
programs.git.enable = true;
nmt.script = ''
# Git config should NOT contain difftastic configuration since git.enable is false by default
assertFileExists home-files/.config/git/config
assertFileNotRegex home-files/.config/git/config 'external = .*/difft'
assertFileNotRegex home-files/.config/git/config 'tool = "difftastic"'
assertFileNotRegex home-files/.config/git/config '\[difftool "difftastic"\]'
'';
}

31
tests/modules/programs/difftastic/difftastic-migration.nix Normal file
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{
lib,
options,
...
}:
{
programs.git = {
enable = true;
difftastic = {
enable = true;
options = {
color = "always";
display = "side-by-side";
};
};
};
test.asserts.warnings.expected = [
"The option `programs.git.difftastic.options' defined in ${lib.showFiles options.programs.git.difftastic.options.files} has been renamed to `programs.difftastic.options'."
"The option `programs.git.difftastic.enable' defined in ${lib.showFiles options.programs.git.difftastic.enable.files} has been renamed to `programs.difftastic.enable'."
"`programs.difftastic.git.enable` automatic enablement is deprecated. Please explicitly set `programs.difftastic.git.enable = true`."
];
nmt.script = ''
# Git config should contain difftastic configuration (backward compatibility)
assertFileExists home-files/.config/git/config
assertFileContains home-files/.config/git/config '[diff]'
assertFileRegex home-files/.config/git/config 'external = .*/difft.*--color.*--display'
'';
}

25
tests/modules/programs/difftastic/difftastic-with-git-difftool.nix Normal file
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{
programs.difftastic = {
enable = true;
git = {
enable = true;
diffToolMode = true;
};
options = {
color = "always";
display = "side-by-side";
};
};
programs.git.enable = true;
nmt.script = ''
assertFileExists home-files/.config/git/config
assertFileContains home-files/.config/git/config '[diff]'
# Should have BOTH diff.external AND difftool config when diffToolMode is true
assertFileRegex home-files/.config/git/config 'external = .*/difft.*--color.*--display'
assertFileRegex home-files/.config/git/config 'tool = "difftastic"'
assertFileContains home-files/.config/git/config '[difftool "difftastic"]'
assertFileRegex home-files/.config/git/config 'cmd = .*/difft.*--color.*--display.*\$LOCAL \$REMOTE'
'';
}

25
tests/modules/programs/difftastic/difftastic-with-git-external-diff.nix Normal file
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{
programs.difftastic = {
enable = true;
git = {
enable = true;
diffToolMode = false;
};
options = {
color = "always";
display = "side-by-side";
};
};
programs.git.enable = true;
nmt.script = ''
assertFileExists home-files/.config/git/config
assertFileContains home-files/.config/git/config '[diff]'
# Should have diff.external set
assertFileRegex home-files/.config/git/config 'external = .*/difft.*--color.*--display'
# Should NOT have difftool config when diffToolMode is explicitly false
assertFileNotRegex home-files/.config/git/config 'tool = "difftastic"'
assertFileNotRegex home-files/.config/git/config '\[difftool "difftastic"\]'
'';
}

22
tests/modules/programs/difftastic/difftastic-with-git-integration.nix Normal file
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{
programs.difftastic = {
enable = true;
git.enable = true;
options = {
color = "always";
display = "side-by-side";
};
};
programs.git.enable = true;
nmt.script = ''
assertFileExists home-files/.config/git/config
assertFileContains home-files/.config/git/config '[diff]'
# Should have diff.external set
assertFileRegex home-files/.config/git/config 'external = .*/difft.*--color.*--display'
# Should NOT have difftool config since diffToolMode is false
assertFileNotRegex home-files/.config/git/config 'tool = "difftastic"'
assertFileNotRegex home-files/.config/git/config '\[difftool "difftastic"\]'
'';
}