Function TestWarnPolicyError

cmd/platform_bootstrap_test.go:255–267

warnPolicyError emits to the supplied writer when err is non-nil and stays silent for nil. Verifies the build.go fail-open behaviour can be observed by users.

(t *testing.T)

// stays silent for nil. Verifies the build.go fail-open behaviour can be
// observed by users.
func TestWarnPolicyError(t *testing.T) {
	var buf bytes.Buffer
	warnPolicyError(&buf, nil)
	if buf.Len() != 0 {
		t.Fatalf("warnPolicyError with nil err should write nothing, got %q", buf.String())
	}

	buf.Reset()
	warnPolicyError(&buf, errors.New("boom"))
	if buf.String() != "warning: user policy not applied: boom\n" {
		t.Fatalf("warnPolicyError output = %q", buf.String())
	}
}

// End-to-end through buildInternal: when a valid policy.yml exists in
// HOME, building the real command tree applies pruning to it. This is