s

gitcmd/tag_test.go

@@ -0,0 +1,76 @@
+package gitcmd
+
+import (
+	"context"
+	"testing"
+)
+
+func TestListTags(t *testing.T) {
+	f := newFixture(t)
+	ts, err := f.repo.ListTags()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(ts) != 2 {
+		t.Fatalf("len = %d, want 2", len(ts))
+	}
+
+	byName := map[string]Tag{}
+	for _, tg := range ts {
+		byName[tg.Name] = tg
+	}
+
+	v1, ok := byName["v1.0"]
+	if !ok {
+		t.Fatal("missing tag v1.0")
+	}
+	if !v1.IsAnnotated {
+		t.Error("v1.0 IsAnnotated = false, want true")
+	}
+	if v1.Tagger != aliceName {
+		t.Errorf("v1.0 Tagger = %q, want Alice", v1.Tagger)
+	}
+	if v1.Message != "release v1.0" {
+		t.Errorf("v1.0 Message = %q, want 'release v1.0'", v1.Message)
+	}
+	if len(v1.SHA) != 40 {
+		t.Errorf("v1.0 SHA len = %d, want 40 (tag object)", len(v1.SHA))
+	}
+	if len(v1.ShortSHA) < 7 {
+		t.Errorf("v1.0 ShortSHA = %q, want >=7 chars", v1.ShortSHA)
+	}
+
+	v09, ok := byName["v0.9"]
+	if !ok {
+		t.Fatal("missing tag v0.9")
+	}
+	if v09.IsAnnotated {
+		t.Error("v0.9 IsAnnotated = true, want false")
+	}
+	if v09.Tagger != "" {
+		t.Errorf("v0.9 Tagger = %q, want empty (lightweight)", v09.Tagger)
+	}
+	if v09.SHA != f.c2 {
+		t.Errorf("v0.9 SHA = %q, want commit SHA %q", v09.SHA, f.c2)
+	}
+	if !v09.TagDate.IsZero() {
+		t.Errorf("v0.9 TagDate = %v, want zero (lightweight)", v09.TagDate)
+	}
+}
+
+func TestListTagsEmptyRepo(t *testing.T) {
+	dir := t.TempDir()
+	bare := dir + "/empty.git"
+	gitRun(t, "", nil, "init", "-q", "--bare", bare)
+	r, err := OpenRepository(context.Background(), bare)
+	if err != nil {
+		t.Fatal(err)
+	}
+	ts, err := r.ListTags()
+	if err != nil {
+		t.Fatalf("ListTags on empty repo: %v", err)
+	}
+	if len(ts) != 0 {
+		t.Errorf("empty repo tags = %d, want 0", len(ts))
+	}
+}