neovim

Neovim text editor
git clone https://git.dasho.dev/neovim.git
Log | Files | Refs | README

difftool_spec.lua (4723B)

      1 local t = require('test.testutil')
      2 local n = require('test.functional.testnvim')()
      3 
      4 local clear = n.clear
      5 local command = n.command
      6 local eq = t.eq
      7 local fn = n.fn
      8 
      9 local pathsep = n.get_pathsep()
     10 local testdir_left = 'Xtest-difftool-left'
     11 local testdir_right = 'Xtest-difftool-right'
     12 
     13 setup(function()
     14  n.mkdir_p(testdir_left)
     15  n.mkdir_p(testdir_right)
     16  t.write_file(testdir_left .. pathsep .. 'file1.txt', 'hello')
     17  t.write_file(testdir_left .. pathsep .. 'file2.txt', 'foo')
     18  t.write_file(testdir_right .. pathsep .. 'file1.txt', 'hello world') -- modified
     19  t.write_file(testdir_right .. pathsep .. 'file3.txt', 'bar') -- added
     20 end)
     21 
     22 teardown(function()
     23  n.rmdir(testdir_left)
     24  n.rmdir(testdir_right)
     25 end)
     26 
     27 describe('nvim.difftool', function()
     28  before_each(function()
     29    clear()
     30    command('packadd nvim.difftool')
     31  end)
     32 
     33  it('shows added, modified, and deleted files in quickfix', function()
     34    command(('DiffTool %s %s'):format(testdir_left, testdir_right))
     35    local qflist = fn.getqflist()
     36    local entries = {}
     37    for _, item in ipairs(qflist) do
     38      table.insert(entries, { text = item.text, rel = item.user_data and item.user_data.rel })
     39    end
     40 
     41    -- Should show:
     42    -- file1.txt as modified (M)
     43    -- file2.txt as deleted (D)
     44    -- file3.txt as added (A)
     45    eq({
     46      { text = 'M', rel = 'file1.txt' },
     47      { text = 'D', rel = 'file2.txt' },
     48      { text = 'A', rel = 'file3.txt' },
     49    }, entries)
     50  end)
     51 
     52  it('has consistent split layout', function()
     53    command('set nosplitright')
     54    command(('DiffTool %s %s'):format(testdir_left, testdir_right))
     55    local wins = fn.getwininfo()
     56    local left_win_col = wins[1].wincol
     57    local right_win_col = wins[2].wincol
     58    assert(
     59      left_win_col < right_win_col,
     60      'Left window should be to the left of right window even with nosplitright set'
     61    )
     62  end)
     63 
     64  it('handles symlinks', function()
     65    -- Create a symlink in right dir pointing to file2.txt in left dir
     66    local symlink_path = vim.fs.joinpath(testdir_right, 'file2.txt')
     67    local target_path = vim.fs.joinpath('..', testdir_left, 'file2.txt')
     68    assert(vim.uv.fs_symlink(target_path, symlink_path) == true)
     69    finally(function()
     70      os.remove(symlink_path)
     71    end)
     72    assert(fn.getftype(symlink_path) == 'link')
     73 
     74    -- Run difftool
     75    command(('DiffTool %s %s'):format(testdir_left, testdir_right))
     76    local qflist = fn.getqflist()
     77    local entries = {}
     78    for _, item in ipairs(qflist) do
     79      table.insert(entries, { text = item.text, rel = item.user_data and item.user_data.rel })
     80    end
     81 
     82    -- file2.txt should not be reported as added or deleted anymore
     83    eq({
     84      { text = 'M', rel = 'file1.txt' },
     85      { text = 'A', rel = 'file3.txt' },
     86    }, entries)
     87  end)
     88 
     89  it('has autocmds when diff window is opened', function()
     90    command(('DiffTool %s %s'):format(testdir_left, testdir_right))
     91    local autocmds = fn.nvim_get_autocmds({ group = 'nvim.difftool.events' })
     92    assert(#autocmds > 0)
     93  end)
     94 
     95  it('cleans up autocmds when diff window is closed', function()
     96    command(('DiffTool %s %s'):format(testdir_left, testdir_right))
     97    command('q')
     98    local ok = pcall(fn.nvim_get_autocmds, { group = 'nvim.difftool.events' })
     99    eq(false, ok)
    100  end)
    101 
    102  it('does not reset quickfix list when closing quickfix window', function()
    103    command(('DiffTool %s %s'):format(testdir_left, testdir_right))
    104    local qflist_before = fn.getqflist()
    105    assert(#qflist_before > 0, 'quickfix list should not be empty')
    106 
    107    -- Close the quickfix window
    108    command('cclose')
    109 
    110    -- Quickfix list should still be intact
    111    local qflist_after = fn.getqflist()
    112    eq(#qflist_before, #qflist_after)
    113 
    114    -- Autocmds should still be active
    115    local autocmds = fn.nvim_get_autocmds({ group = 'nvim.difftool.events' })
    116    assert(#autocmds > 0, 'autocmds should still exist after closing quickfix window')
    117  end)
    118 
    119  it('opens difftool automatically when started with nvim -d', function()
    120    -- Start Neovim with -d flag for directory diff
    121    clear({
    122      args = {
    123        '--cmd',
    124        'packadd nvim.difftool',
    125        '-d',
    126        testdir_left,
    127        testdir_right,
    128      },
    129    })
    130 
    131    -- Wait for difftool to open
    132    n.poke_eventloop()
    133 
    134    -- Verify we have 3 windows (left, right, and quickfix)
    135    eq(3, #fn.getwininfo())
    136 
    137    -- Verify quickfix list has the expected entries
    138    local qflist = fn.getqflist()
    139    local entries = {}
    140    for _, item in ipairs(qflist) do
    141      table.insert(entries, { text = item.text, rel = item.user_data and item.user_data.rel })
    142    end
    143    eq({
    144      { text = 'M', rel = 'file1.txt' },
    145      { text = 'D', rel = 'file2.txt' },
    146      { text = 'A', rel = 'file3.txt' },
    147    }, entries)
    148  end)
    149 end)