terraform/builtin/providers/azurerm/validators_test.go

package azurerm

import "testing"

func TestValidateJsonString(t *testing.T) {
	type testCases struct {
		Value    string
		ErrCount int
	}

	invalidCases := []testCases{
		{
			Value:    `{0:"1"}`,
			ErrCount: 1,
		},
		{
			Value:    `{'abc':1}`,
			ErrCount: 1,
		},
		{
			Value:    `{"def":}`,
			ErrCount: 1,
		},
		{
			Value:    `{"xyz":[}}`,
			ErrCount: 1,
		},
	}

	for _, tc := range invalidCases {
		_, errors := validateJsonString(tc.Value, "json")
		if len(errors) != tc.ErrCount {
			t.Fatalf("Expected %q to trigger a validation error.", tc.Value)
		}
	}

	validCases := []testCases{
		{
			Value:    ``,
			ErrCount: 0,
		},
		{
			Value:    `{}`,
			ErrCount: 0,
		},
		{
			Value:    `{"abc":["1","2"]}`,
			ErrCount: 0,
		},
	}

	for _, tc := range validCases {
		_, errors := validateJsonString(tc.Value, "json")
		if len(errors) != tc.ErrCount {
			t.Fatalf("Expected %q not to trigger a validation error.", tc.Value)
		}
	}
}