1// SPDX-License-Identifier: AGPL-3.0-or-later
2
3package gitcli_test
4
5import (
6 "context"
7 "testing"
8
9 "github.com/stretchr/testify/assert"
10 "github.com/stretchr/testify/require"
11
12 "bnema.dev/ermite/internal/domain"
13)
14
15func TestChangedPaths(t *testing.T) {
16 g, data := newGit(t)
17 ctx := context.Background()
18 m := newMergeFixture(t, data)
19 t.Cleanup(func() { _ = g.Close(ctx) })
20
21 // b..d changed a.txt and added c.txt.
22 got, truncated, err := g.ChangedPaths(ctx, m.f.Name, m.b, m.d, 300)
23 require.NoError(t, err)
24 assert.False(t, truncated)
25 assert.ElementsMatch(t, []string{"a.txt", "c.txt"}, got)
26
27 // A zero base lists every file of the commit, as for a new repository.
28 got, _, err = g.ChangedPaths(ctx, m.f.Name, domain.ObjectID{}, m.b, 300)
29 require.NoError(t, err)
30 assert.ElementsMatch(t, []string{"a.txt", "b.txt"}, got)
31
32 // No change is an empty list, not an error.
33 got, truncated, err = g.ChangedPaths(ctx, m.f.Name, m.d, m.d, 300)
34 require.NoError(t, err)
35 assert.Empty(t, got)
36 assert.False(t, truncated)
37
38 // A bound cuts the list and says so.
39 got, truncated, err = g.ChangedPaths(ctx, m.f.Name, domain.ObjectID{}, m.d, 2)
40 require.NoError(t, err)
41 assert.Len(t, got, 2)
42 assert.True(t, truncated)
43 got, truncated, err = g.ChangedPaths(ctx, m.f.Name, domain.ObjectID{}, m.d, 3)
44 require.NoError(t, err)
45 assert.Len(t, got, 3)
46 assert.False(t, truncated, "a list of exactly the bound is complete")
47
48 _, _, err = g.ChangedPaths(ctx, m.f.Name, m.b, m.d, 0)
49 assert.ErrorIs(t, err, domain.ErrInvalid)
50 _, _, err = g.ChangedPaths(ctx, name(t, "missing"), m.b, m.d, 5)
51 assert.ErrorIs(t, err, domain.ErrNotFound)
52 _, _, err = g.ChangedPaths(ctx, m.f.Name, m.b, oidOf(t, "1111111111111111111111111111111111111111"), 5)
53 assert.Error(t, err, "an unknown commit is an error")
54}
55
56func TestChangedPathsKeepsAWholeRenameAndOddNames(t *testing.T) {
57 g, data := newGit(t)
58 ctx := context.Background()
59 m := newMergeFixture(t, data)
60 t.Cleanup(func() { _ = g.Close(ctx) })
61
62 m.f.Git("checkout", "-q", "feat")
63 m.f.Write("dir with space/é.txt", "see\n")
64 m.f.Git("rm", "-q", "c.txt")
65 d2 := oidOf(t, m.f.Commit("rename"))
66 got, _, err := g.ChangedPaths(ctx, m.f.Name, m.featTip, d2, 10)
67 require.NoError(t, err)
68 assert.ElementsMatch(t, []string{"c.txt", "dir with space/é.txt"}, got, "both sides of a rename, verbatim")
69}