hearthforge

hearthforge/internal/highlight/diff_test.go
diff_test.go
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1package highlight
2
3import "testing"
4
5// Git C-quotes non-ASCII names and appends a TAB to names with a space.
6func TestParseDiffQuotedPathsAndBatchedBinarySizes(t *testing.T) {
7 raw := "diff --git \"a/b \\303\\274.bin\" \"b/b \\303\\274.bin\"\n" +
8 "new file mode 100644\n" +
9 "index 0000000..88768ef\n" +
10 "Binary files /dev/null and \"b/b \\303\\274.bin\" differ\n" +
11 "diff --git a/x.bin b/x.bin\n" +
12 "index 1111111..2222222 100644\n" +
13 "Binary files a/x.bin and b/x.bin differ\n" +
14 "diff --git \"a/d/\\303\\244 \\303\\266.txt\" \"b/d/\\303\\244 \\303\\266.txt\"\n" +
15 "new file mode 100644\n" +
16 "index 0000000..587be6b\n" +
17 "--- /dev/null\n" +
18 "+++ \"b/d/\\303\\244 \\303\\266.txt\"\t\n" +
19 "@@ -0,0 +1 @@\n" +
20 "+x\n" +
21 "diff --git a/sp ace.txt \"b/r\\303\\251 name.txt\"\n" +
22 "similarity index 100%\n" +
23 "rename from sp ace.txt\n" +
24 "rename to \"r\\303\\251 name.txt\"\n"
25 calls := 0
26 files := parseDiff(raw, func(shas []string) map[string]int64 {
27 calls++
28 return map[string]int64{"88768ef": 5, "1111111": 7, "2222222": 9}
29 })
30 if calls != 1 {
31 t.Fatalf("blobSizes called %d times", calls)
32 }
33 if len(files) != 4 {
34 t.Fatalf("got %d files", len(files))
35 }
36 if f := files[0]; f.NewPath != "b ü.bin" || !f.IsBinary || f.BinaryOldSize != 0 || f.BinaryNewSize != 5 || !f.hasNewSize {
37 t.Fatalf("added binary: %+v", f)
38 }
39 if f := files[1]; f.BinaryOldSize != 7 || f.BinaryNewSize != 9 {
40 t.Fatalf("modified binary: %+v", f)
41 }
42 if f := files[2]; f.NewPath != "d/ä ö.txt" || f.Added != 1 {
43 t.Fatalf("text file: %+v", f)
44 }
45 if f := files[3]; f.OldPath != "sp ace.txt" || f.NewPath != "ré name.txt" || f.Status != StatusRenamed {
46 t.Fatalf("rename: %+v", f)
47 }
48}
49