pkg/testutil/assert/assert.go
Brian Goff dfe4019f03 Use newer default values for mounts CLI
In the API:
`Writable` changed to `ReadOnly`
`Populate` changed to `NoCopy`

Corresponding CLI options updated to:
`volume-writable` changed to `volume-readonly`
`volume-populate` changed to `volume-nocopy`

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
2016-07-06 22:34:39 -04:00

70 lines
2 KiB
Go

// Package assert contains functions for making assertions in unit tests
package assert
import (
"fmt"
"path/filepath"
"runtime"
"strings"
)
// TestingT is an interface which defines the methods of testing.T that are
// required by this package
type TestingT interface {
Fatalf(string, ...interface{})
}
// Equal compare the actual value to the expected value and fails the test if
// they are not equal.
func Equal(t TestingT, actual, expected interface{}) {
if expected != actual {
fatal(t, fmt.Sprintf("Expected '%v' (%T) got '%v' (%T)", expected, expected, actual, actual))
}
}
//EqualStringSlice compares two slices and fails the test if they do not contain
// the same items.
func EqualStringSlice(t TestingT, actual, expected []string) {
if len(actual) != len(expected) {
t.Fatalf("Expected (length %d): %q\nActual (length %d): %q",
len(expected), expected, len(actual), actual)
}
for i, item := range actual {
if item != expected[i] {
t.Fatalf("Slices differ at element %d, expected %q got %q",
i, expected[i], item)
}
}
}
// NilError asserts that the error is nil, otherwise it fails the test.
func NilError(t TestingT, err error) {
if err != nil {
fatal(t, fmt.Sprintf("Expected no error, got: %s", err.Error()))
}
}
// Error asserts that error is not nil, and contains the expected text,
// otherwise it fails the test.
func Error(t TestingT, err error, contains string) {
if err == nil {
fatal(t, "Expected an error, but error was nil")
}
if !strings.Contains(err.Error(), contains) {
fatal(t, fmt.Sprintf("Expected error to contain '%s', got '%s'", contains, err.Error()))
}
}
// Contains asserts that the string contains a substring, otherwise it fails the
// test.
func Contains(t TestingT, actual, contains string) {
if !strings.Contains(actual, contains) {
fatal(t, fmt.Sprintf("Expected '%s' to contain '%s'", actual, contains))
}
}
func fatal(t TestingT, msg string) {
_, file, line, _ := runtime.Caller(2)
t.Fatalf("%s:%d: %s", filepath.Base(file), line, msg)
}