Bump google.golang.org/api

vendor/github.com/google/pprof/internal/proftest/proftest.go

@@ -0,0 +1,140 @@
+// Copyright 2014 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 proftest provides some utility routines to test other
+// packages related to profiles.
+package proftest
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"regexp"
+	"testing"
+)
+
+// Diff compares two byte arrays using the diff tool to highlight the
+// differences. It is meant for testing purposes to display the
+// differences between expected and actual output.
+func Diff(b1, b2 []byte) (data []byte, err error) {
+	f1, err := ioutil.TempFile("", "proto_test")
+	if err != nil {
+		return nil, err
+	}
+	defer os.Remove(f1.Name())
+	defer f1.Close()
+
+	f2, err := ioutil.TempFile("", "proto_test")
+	if err != nil {
+		return nil, err
+	}
+	defer os.Remove(f2.Name())
+	defer f2.Close()
+
+	f1.Write(b1)
+	f2.Write(b2)
+
+	data, err = exec.Command("diff", "-u", f1.Name(), f2.Name()).CombinedOutput()
+	if len(data) > 0 {
+		// diff exits with a non-zero status when the files don't match.
+		// Ignore that failure as long as we get output.
+		err = nil
+	}
+	if err != nil {
+		data = []byte(fmt.Sprintf("diff failed: %v\nb1: %q\nb2: %q\n", err, b1, b2))
+		err = nil
+	}
+	return
+}
+
+// EncodeJSON encodes a value into a byte array. This is intended for
+// testing purposes.
+func EncodeJSON(x interface{}) []byte {
+	data, err := json.MarshalIndent(x, "", "    ")
+	if err != nil {
+		panic(err)
+	}
+	data = append(data, '\n')
+	return data
+}
+
+// TestUI implements the plugin.UI interface, triggering test failures
+// if more than Ignore errors not matching AllowRx are printed.
+// Also tracks the number of times the error matches AllowRx in
+// NumAllowRxMatches.
+type TestUI struct {
+	T                 *testing.T
+	Ignore            int
+	AllowRx           string
+	NumAllowRxMatches int
+	Input             []string
+	index             int
+}
+
+// ReadLine returns no input, as no input is expected during testing.
+func (ui *TestUI) ReadLine(_ string) (string, error) {
+	if ui.index >= len(ui.Input) {
+		return "", io.EOF
+	}
+	input := ui.Input[ui.index]
+	ui.index++
+	if input == "**error**" {
+		return "", fmt.Errorf("error: %s", input)
+	}
+	return input, nil
+}
+
+// Print messages are discarded by the test UI.
+func (ui *TestUI) Print(args ...interface{}) {
+}
+
+// PrintErr messages may trigger an error failure. A fixed number of
+// error messages are permitted when appropriate.
+func (ui *TestUI) PrintErr(args ...interface{}) {
+	if ui.AllowRx != "" {
+		if matched, err := regexp.MatchString(ui.AllowRx, fmt.Sprint(args...)); matched || err != nil {
+			if err != nil {
+				ui.T.Errorf("failed to match against regex %q: %v", ui.AllowRx, err)
+			}
+			ui.NumAllowRxMatches++
+			return
+		}
+	}
+	if ui.Ignore > 0 {
+		ui.Ignore--
+		return
+	}
+	// Stringify arguments with fmt.Sprint() to match what default UI
+	// implementation does. Without this Error() calls fmt.Sprintln() which
+	// _always_ adds spaces between arguments, unlike fmt.Sprint() which only
+	// adds them between arguments if neither is string.
+	ui.T.Error("unexpected error: " + fmt.Sprint(args...))
+}
+
+// IsTerminal indicates if the UI is an interactive terminal.
+func (ui *TestUI) IsTerminal() bool {
+	return false
+}
+
+// WantBrowser indicates whether a browser should be opened with the -http option.
+func (ui *TestUI) WantBrowser() bool {
+	return false
+}
+
+// SetAutoComplete is not supported by the test UI.
+func (ui *TestUI) SetAutoComplete(_ func(string) string) {
+}