Barrett Ruth
bf2c91f79f
Compares current buffer against any git revision (default HEAD), opens result in vsplit with full diffs.nvim syntax highlighting.
37 lines
1.2 KiB
Lua
37 lines
1.2 KiB
Lua
require('spec.helpers')
|
|
|
|
describe('commands', function()
|
|
describe('setup', function()
|
|
it('registers Gdiff command', function()
|
|
require('diffs.commands').setup()
|
|
local commands = vim.api.nvim_get_commands({})
|
|
assert.is_not_nil(commands.Gdiff)
|
|
end)
|
|
end)
|
|
|
|
describe('unified diff generation', function()
|
|
local old_lines = { 'local M = {}', 'return M' }
|
|
local new_lines = { 'local M = {}', 'local x = 1', 'return M' }
|
|
|
|
it('generates valid unified diff', function()
|
|
local old_content = table.concat(old_lines, '\n')
|
|
local new_content = table.concat(new_lines, '\n')
|
|
local diff_output = vim.diff(old_content, new_content, {
|
|
result_type = 'unified',
|
|
ctxlen = 3,
|
|
})
|
|
assert.is_not_nil(diff_output)
|
|
assert.is_true(diff_output:find('@@ ') ~= nil)
|
|
assert.is_true(diff_output:find('+local x = 1') ~= nil)
|
|
end)
|
|
|
|
it('returns empty for identical content', function()
|
|
local content = table.concat(old_lines, '\n')
|
|
local diff_output = vim.diff(content, content, {
|
|
result_type = 'unified',
|
|
ctxlen = 3,
|
|
})
|
|
assert.are.equal('', diff_output)
|
|
end)
|
|
end)
|
|
end)
|