package context import "testing" func TestVersionContext(t *testing.T) { ctx := Background() if GetVersion(ctx) != "" { t.Fatalf("context should not yet have a version") } expected := "2.1-whatever" ctx = WithVersion(ctx, expected) version := GetVersion(ctx) if version != expected { t.Fatalf("version was not set: %q != %q", version, expected) } }