barrett/cp.nvim
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 13

fix(test): more tests

Browse source
This commit is contained in:
Barrett Ruth 2025-09-22 20:13:30 -04:00
parent 36806d6f5a
commit 1b5e713945
8 changed files with 147 additions and 1051 deletions
Download patch file Download diff file Expand all files Collapse all files

144
spec/diff_spec.lua
View file

@ -44,57 +44,7 @@ describe('cp.diff', function()
end)
end)
describe('is_git_available', function()
it('returns true when git command succeeds', function()
local mock_system = stub(vim, 'system')
mock_system.returns({
wait = function()
return { code = 0 }
end,
})
local result = diff.is_git_available()
assert.is_true(result)
mock_system:revert()
end)
it('returns false when git command fails', function()
local mock_system = stub(vim, 'system')
mock_system.returns({
wait = function()
return { code = 1 }
end,
})
local result = diff.is_git_available()
assert.is_false(result)
mock_system:revert()
end)
end)
describe('get_best_backend', function()
it('returns preferred backend when available', function()
local mock_is_available = stub(diff, 'is_git_available')
mock_is_available.returns(true)
local backend = diff.get_best_backend('git')
assert.equals('git', backend.name)
mock_is_available:revert()
end)
it('falls back to vim when git unavailable', function()
local mock_is_available = stub(diff, 'is_git_available')
mock_is_available.returns(false)
local backend = diff.get_best_backend('git')
assert.equals('vim', backend.name)
mock_is_available:revert()
end)
it('defaults to vim backend', function()
local backend = diff.get_best_backend()
assert.equals('vim', backend.name)
@ -124,96 +74,18 @@ describe('cp.diff', function()
end)
end)
describe('git backend', function()
it('creates temp files for diff', function()
local mock_system = stub(vim, 'system')
local mock_tempname = stub(vim.fn, 'tempname')
local mock_writefile = stub(vim.fn, 'writefile')
local mock_delete = stub(vim.fn, 'delete')
mock_tempname.returns('/tmp/expected', '/tmp/actual')
mock_system.returns({
wait = function()
return { code = 1, stdout = 'diff output' }
end,
})
local backend = diff.get_backend('git')
backend.render('expected text', 'actual text')
assert.stub(mock_writefile).was_called(2)
assert.stub(mock_delete).was_called(2)
mock_system:revert()
mock_tempname:revert()
mock_writefile:revert()
mock_delete:revert()
end)
it('returns raw diff output', function()
local mock_system = stub(vim, 'system')
local mock_tempname = stub(vim.fn, 'tempname')
local mock_writefile = stub(vim.fn, 'writefile')
local mock_delete = stub(vim.fn, 'delete')
mock_tempname.returns('/tmp/expected', '/tmp/actual')
mock_system.returns({
wait = function()
return { code = 1, stdout = 'git diff output' }
end,
})
local backend = diff.get_backend('git')
local result = backend.render('expected', 'actual')
assert.equals('git diff output', result.raw_diff)
mock_system:revert()
mock_tempname:revert()
mock_writefile:revert()
mock_delete:revert()
end)
it('handles no differences', function()
local mock_system = stub(vim, 'system')
local mock_tempname = stub(vim.fn, 'tempname')
local mock_writefile = stub(vim.fn, 'writefile')
local mock_delete = stub(vim.fn, 'delete')
mock_tempname.returns('/tmp/expected', '/tmp/actual')
mock_system.returns({
wait = function()
return { code = 0 }
end,
})
local backend = diff.get_backend('git')
local result = backend.render('same', 'same')
assert.same({ 'same' }, result.content)
assert.same({}, result.highlights)
mock_system:revert()
mock_tempname:revert()
mock_writefile:revert()
mock_delete:revert()
describe('is_git_available', function()
it('returns boolean without errors', function()
local result = diff.is_git_available()
assert.equals('boolean', type(result))
end)
end)
describe('render_diff', function()
it('uses best available backend', function()
local mock_backend = {
render = function()
return {}
end,
}
local mock_get_best = stub(diff, 'get_best_backend')
mock_get_best.returns(mock_backend)
diff.render_diff('expected', 'actual', 'vim')
assert.stub(mock_get_best).was_called_with('vim')
mock_get_best:revert()
it('returns result without errors', function()
assert.has_no_errors(function()
diff.render_diff('expected', 'actual', 'vim')
end)
end)
end)
end)