test coverage

Author: linkdata

internal/gitsemver/gitsemver_internal_test.go

@@ -0,0 +1,24 @@
+package gitsemver
+
+import "testing"
+
+func Test_GitSemVer_cacheTag_ReplacesExistingTag(t *testing.T) {
+	vs := &GitSemVer{
+		tags: []GitTag{
+			{Tag: "v1.2.3", Commit: "old-commit", Tree: "old-tree"},
+			{Tag: "v2.0.0", Commit: "other-commit", Tree: "other-tree"},
+		},
+	}
+
+	vs.cacheTag(GitTag{Tag: "v1.2.3", Commit: "new-commit", Tree: "new-tree"})
+
+	if got, want := len(vs.tags), 2; got != want {
+		t.Fatalf("len(tags) = %d, want %d", got, want)
+	}
+	if got, want := vs.tags[0].Commit, "new-commit"; got != want {
+		t.Fatalf("tags[0].Commit = %q, want %q", got, want)
+	}
+	if got, want := vs.tags[0].Tree, "new-tree"; got != want {
+		t.Fatalf("tags[0].Tree = %q, want %q", got, want)
+	}
+}