Function TestExpression_Value

json/structure_test.go:1360–1417

(t *testing.T)

}

func TestExpression_Value(t *testing.T) {
	src := `{
  "string": "string_val",
  "number": 5,
  "bool_true": true,
  "bool_false": false,
  "array": ["a"],
  "object": {"key": "value"},
  "null": null
}`
	expected := map[string]cty.Value{
		"string":     cty.StringVal("string_val"),
		"number":     cty.NumberIntVal(5),
		"bool_true":  cty.BoolVal(true),
		"bool_false": cty.BoolVal(false),
		"array":      cty.TupleVal([]cty.Value{cty.StringVal("a")}),
		"object": cty.ObjectVal(map[string]cty.Value{
			"key": cty.StringVal("value"),
		}),
		"null": cty.NullVal(cty.DynamicPseudoType),
	}

	file, diags := Parse([]byte(src), "")
	if len(diags) != 0 {
		t.Errorf("got %d diagnostics on parse; want 0", len(diags))
		for _, diag := range diags {
			t.Logf("- %s", diag.Error())
		}
	}
	if file == nil {
		t.Fatalf("got nil File; want actual file")
	}
	if file.Body == nil {
		t.Fatalf("got nil Body; want actual body")
	}
	attrs, diags := file.Body.JustAttributes()
	if len(diags) != 0 {
		t.Errorf("got %d diagnostics on decode; want 0", len(diags))
		for _, diag := range diags {
			t.Logf("- %s", diag.Error())
		}
	}

	for ek, ev := range expected {
		val, diags := attrs[ek].Expr.Value(&hcl.EvalContext{})
		if len(diags) != 0 {
			t.Errorf("got %d diagnostics on eval; want 0", len(diags))
			for _, diag := range diags {
				t.Logf("- %s", diag.Error())
			}
		}

		if !val.RawEquals(ev) {
			t.Errorf("wrong result %#v; want %#v", val, ev)
		}
	}

}