Function TestContract_LoadValues_JsonValues

pkg/engine/contract_loadvalues_test.go:175–200

Contract: --set-json takes a JSON object string and merges it onto the value tree. Lower precedence than --set / --set-string, higher than -f. (Sanity-check by setting both -f and --set-json.)

(t *testing.T)

// the value tree. Lower precedence than --set / --set-string, higher
// than -f. (Sanity-check by setting both -f and --set-json.)
func TestContract_LoadValues_JsonValues(t *testing.T) {
	dir := t.TempDir()
	file := filepath.Join(dir, "v.yaml")
	err := os.WriteFile(file, []byte("a: 1\n"), 0o644)
	if err != nil {
		t.Fatal(err)
	}
	out, err := loadValues(Options{
		ValueFiles: []string{file},
		JsonValues: []string{`{"b": {"c": 3}}`},
	})
	if err != nil {
		t.Fatal(err)
	}
	if out["a"] != 1 {
		t.Errorf("file value lost: %v", out)
	}
	bMap, ok := out["b"].(map[string]any)
	if !ok {
		t.Fatalf("expected b to be map, got %T (%v)", out["b"], out["b"])
	}
	// JSON numbers unmarshal to float64.
	if bMap["c"] != float64(3) {
		t.Errorf("expected b.c=3, got %v (%T)", bMap["c"], bMap["c"])
	}
}

// Contract: malformed JSON in --set-json surfaces a precise error
// naming the bad value.