Separate TestHelper from fixtures

Although they are intended to be used together they are separate pieces
of functionality so should be separate.

Bug: 181070625
Test: m nothing
Change-Id: I3b2ccf66748a3c53b63c112256a8eb20e0448179
This commit is contained in:
Paul Duffin 2021-03-12 11:29:56 +00:00
parent 3fdb1bd9a2
commit 0550055007
3 changed files with 138 additions and 118 deletions

View File

@ -67,6 +67,7 @@ bootstrap_go_package {
"singleton.go",
"singleton_module.go",
"soong_config_modules.go",
"test_helpers.go",
"test_suites.go",
"testing.go",
"util.go",

View File

@ -16,8 +16,6 @@ package android
import (
"fmt"
"reflect"
"strings"
"testing"
)
@ -548,122 +546,6 @@ type Fixture interface {
RunTest() *TestResult
}
// Provides general test support.
type TestHelper struct {
*testing.T
}
// AssertBoolEquals checks if the expected and actual values are equal and if they are not then it
// reports an error prefixed with the supplied message and including a reason for why it failed.
func (h *TestHelper) AssertBoolEquals(message string, expected bool, actual bool) {
h.Helper()
if actual != expected {
h.Errorf("%s: expected %t, actual %t", message, expected, actual)
}
}
// AssertStringEquals checks if the expected and actual values are equal and if they are not then
// it reports an error prefixed with the supplied message and including a reason for why it failed.
func (h *TestHelper) AssertStringEquals(message string, expected string, actual string) {
h.Helper()
if actual != expected {
h.Errorf("%s: expected %s, actual %s", message, expected, actual)
}
}
// AssertErrorMessageEquals checks if the error is not nil and has the expected message. If it does
// not then this reports an error prefixed with the supplied message and including a reason for why
// it failed.
func (h *TestHelper) AssertErrorMessageEquals(message string, expected string, actual error) {
h.Helper()
if actual == nil {
h.Errorf("Expected error but was nil")
} else if actual.Error() != expected {
h.Errorf("%s: expected %s, actual %s", message, expected, actual.Error())
}
}
// AssertTrimmedStringEquals checks if the expected and actual values are the same after trimming
// leading and trailing spaces from them both. If they are not then it reports an error prefixed
// with the supplied message and including a reason for why it failed.
func (h *TestHelper) AssertTrimmedStringEquals(message string, expected string, actual string) {
h.Helper()
h.AssertStringEquals(message, strings.TrimSpace(expected), strings.TrimSpace(actual))
}
// AssertStringDoesContain checks if the string contains the expected substring. If it does not
// then it reports an error prefixed with the supplied message and including a reason for why it
// failed.
func (h *TestHelper) AssertStringDoesContain(message string, s string, expectedSubstring string) {
h.Helper()
if !strings.Contains(s, expectedSubstring) {
h.Errorf("%s: could not find %q within %q", message, expectedSubstring, s)
}
}
// AssertStringDoesNotContain checks if the string contains the expected substring. If it does then
// it reports an error prefixed with the supplied message and including a reason for why it failed.
func (h *TestHelper) AssertStringDoesNotContain(message string, s string, unexpectedSubstring string) {
h.Helper()
if strings.Contains(s, unexpectedSubstring) {
h.Errorf("%s: unexpectedly found %q within %q", message, unexpectedSubstring, s)
}
}
// AssertStringListContains checks if the list of strings contains the expected string. If it does
// not then it reports an error prefixed with the supplied message and including a reason for why it
// failed.
func (h *TestHelper) AssertStringListContains(message string, list []string, expected string) {
h.Helper()
if !InList(expected, list) {
h.Errorf("%s: could not find %q within %q", message, expected, list)
}
}
// AssertArrayString checks if the expected and actual values are equal and if they are not then it
// reports an error prefixed with the supplied message and including a reason for why it failed.
func (h *TestHelper) AssertArrayString(message string, expected, actual []string) {
h.Helper()
if len(actual) != len(expected) {
h.Errorf("%s: expected %d (%q), actual (%d) %q", message, len(expected), expected, len(actual), actual)
return
}
for i := range actual {
if actual[i] != expected[i] {
h.Errorf("%s: expected %d-th, %q (%q), actual %q (%q)",
message, i, expected[i], expected, actual[i], actual)
return
}
}
}
// AssertDeepEquals checks if the expected and actual values are equal using reflect.DeepEqual and
// if they are not then it reports an error prefixed with the supplied message and including a
// reason for why it failed.
func (h *TestHelper) AssertDeepEquals(message string, expected interface{}, actual interface{}) {
h.Helper()
if !reflect.DeepEqual(actual, expected) {
h.Errorf("%s: expected:\n %#v\n got:\n %#v", message, expected, actual)
}
}
// AssertPanic checks that the supplied function panics as expected.
func (h *TestHelper) AssertPanic(message string, funcThatShouldPanic func()) {
h.Helper()
panicked := false
func() {
defer func() {
if x := recover(); x != nil {
panicked = true
}
}()
funcThatShouldPanic()
}()
if !panicked {
h.Error(message)
}
}
// Struct to allow TestResult to embed a *TestContext and allow call forwarding to its methods.
type testContext struct {
*TestContext

137
android/test_helpers.go Normal file
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@ -0,0 +1,137 @@
// Copyright 2021 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package android
import (
"reflect"
"strings"
"testing"
)
// Provides general test support.
type TestHelper struct {
*testing.T
}
// AssertBoolEquals checks if the expected and actual values are equal and if they are not then it
// reports an error prefixed with the supplied message and including a reason for why it failed.
func (h *TestHelper) AssertBoolEquals(message string, expected bool, actual bool) {
h.Helper()
if actual != expected {
h.Errorf("%s: expected %t, actual %t", message, expected, actual)
}
}
// AssertStringEquals checks if the expected and actual values are equal and if they are not then
// it reports an error prefixed with the supplied message and including a reason for why it failed.
func (h *TestHelper) AssertStringEquals(message string, expected string, actual string) {
h.Helper()
if actual != expected {
h.Errorf("%s: expected %s, actual %s", message, expected, actual)
}
}
// AssertErrorMessageEquals checks if the error is not nil and has the expected message. If it does
// not then this reports an error prefixed with the supplied message and including a reason for why
// it failed.
func (h *TestHelper) AssertErrorMessageEquals(message string, expected string, actual error) {
h.Helper()
if actual == nil {
h.Errorf("Expected error but was nil")
} else if actual.Error() != expected {
h.Errorf("%s: expected %s, actual %s", message, expected, actual.Error())
}
}
// AssertTrimmedStringEquals checks if the expected and actual values are the same after trimming
// leading and trailing spaces from them both. If they are not then it reports an error prefixed
// with the supplied message and including a reason for why it failed.
func (h *TestHelper) AssertTrimmedStringEquals(message string, expected string, actual string) {
h.Helper()
h.AssertStringEquals(message, strings.TrimSpace(expected), strings.TrimSpace(actual))
}
// AssertStringDoesContain checks if the string contains the expected substring. If it does not
// then it reports an error prefixed with the supplied message and including a reason for why it
// failed.
func (h *TestHelper) AssertStringDoesContain(message string, s string, expectedSubstring string) {
h.Helper()
if !strings.Contains(s, expectedSubstring) {
h.Errorf("%s: could not find %q within %q", message, expectedSubstring, s)
}
}
// AssertStringDoesNotContain checks if the string contains the expected substring. If it does then
// it reports an error prefixed with the supplied message and including a reason for why it failed.
func (h *TestHelper) AssertStringDoesNotContain(message string, s string, unexpectedSubstring string) {
h.Helper()
if strings.Contains(s, unexpectedSubstring) {
h.Errorf("%s: unexpectedly found %q within %q", message, unexpectedSubstring, s)
}
}
// AssertStringListContains checks if the list of strings contains the expected string. If it does
// not then it reports an error prefixed with the supplied message and including a reason for why it
// failed.
func (h *TestHelper) AssertStringListContains(message string, list []string, expected string) {
h.Helper()
if !InList(expected, list) {
h.Errorf("%s: could not find %q within %q", message, expected, list)
}
}
// AssertArrayString checks if the expected and actual values are equal and if they are not then it
// reports an error prefixed with the supplied message and including a reason for why it failed.
func (h *TestHelper) AssertArrayString(message string, expected, actual []string) {
h.Helper()
if len(actual) != len(expected) {
h.Errorf("%s: expected %d (%q), actual (%d) %q", message, len(expected), expected, len(actual), actual)
return
}
for i := range actual {
if actual[i] != expected[i] {
h.Errorf("%s: expected %d-th, %q (%q), actual %q (%q)",
message, i, expected[i], expected, actual[i], actual)
return
}
}
}
// AssertDeepEquals checks if the expected and actual values are equal using reflect.DeepEqual and
// if they are not then it reports an error prefixed with the supplied message and including a
// reason for why it failed.
func (h *TestHelper) AssertDeepEquals(message string, expected interface{}, actual interface{}) {
h.Helper()
if !reflect.DeepEqual(actual, expected) {
h.Errorf("%s: expected:\n %#v\n got:\n %#v", message, expected, actual)
}
}
// AssertPanic checks that the supplied function panics as expected.
func (h *TestHelper) AssertPanic(message string, funcThatShouldPanic func()) {
h.Helper()
panicked := false
func() {
defer func() {
if x := recover(); x != nil {
panicked = true
}
}()
funcThatShouldPanic()
}()
if !panicked {
h.Error(message)
}
}