mirror of https://github.com/docker/cli.git
65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
package output
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import (
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"fmt"
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"strings"
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"testing"
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)
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// Assert checks output lines at specified locations
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func Assert(t *testing.T, actual string, expectedLines map[int]func(string) error) {
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t.Helper()
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for i, line := range strings.Split(actual, "\n") {
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cmp, ok := expectedLines[i]
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if !ok {
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continue
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}
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if err := cmp(line); err != nil {
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t.Errorf("line %d: %s", i, err)
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}
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}
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if t.Failed() {
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t.Log(actual)
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}
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}
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// Prefix returns whether the line has the specified string as prefix
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func Prefix(expected string) func(string) error {
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return func(actual string) error {
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if strings.HasPrefix(actual, expected) {
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return nil
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}
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return fmt.Errorf("expected %q to start with %q", actual, expected)
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}
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}
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// Suffix returns whether the line has the specified string as suffix
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func Suffix(expected string) func(string) error {
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return func(actual string) error {
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if strings.HasSuffix(actual, expected) {
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return nil
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}
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return fmt.Errorf("expected %q to end with %q", actual, expected)
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}
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}
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// Contains returns whether the line contains the specified string
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func Contains(expected string) func(string) error {
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return func(actual string) error {
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if strings.Contains(actual, expected) {
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return nil
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}
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return fmt.Errorf("expected %q to contain %q", actual, expected)
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}
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}
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// Equals returns whether the line is the same as the specified string
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func Equals(expected string) func(string) error {
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return func(actual string) error {
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if expected == actual {
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return nil
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}
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return fmt.Errorf("got %q, expected %q", actual, expected)
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}
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}
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