ui/terminal/status_test.go - android_build_soong - Gitiles

 // Copyright 2018 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 terminal

 import (
 	"bytes"
 	"fmt"
 	"os"
 	"syscall"
 	"testing"

 	"android/soong/ui/status"
 )

 func TestStatusOutput(t *testing.T) {
 	tests := []struct {
 		name   string
 		calls  func(stat status.StatusOutput)
 		smart  string
 		simple string
 	}{
 		{
 			name:   "two actions",
 			calls:  twoActions,
 			smart:  "\r\x1b[1m[  0% 0/2] action1\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action1\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action2\x1b[0m\x1b[K\r\x1b[1m[100% 2/2] action2\x1b[0m\x1b[K\n",
 			simple: "[ 50% 1/2] action1\n[100% 2/2] action2\n",
 		},
 		{
 			name:   "two parallel actions",
 			calls:  twoParallelActions,
 			smart:  "\r\x1b[1m[  0% 0/2] action1\x1b[0m\x1b[K\r\x1b[1m[  0% 0/2] action2\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action1\x1b[0m\x1b[K\r\x1b[1m[100% 2/2] action2\x1b[0m\x1b[K\n",
 			simple: "[ 50% 1/2] action1\n[100% 2/2] action2\n",
 		},
 		{
 			name:   "action with output",
 			calls:  actionsWithOutput,
 			smart:  "\r\x1b[1m[  0% 0/3] action1\x1b[0m\x1b[K\r\x1b[1m[ 33% 1/3] action1\x1b[0m\x1b[K\r\x1b[1m[ 33% 1/3] action2\x1b[0m\x1b[K\r\x1b[1m[ 66% 2/3] action2\x1b[0m\x1b[K\noutput1\noutput2\n\r\x1b[1m[ 66% 2/3] action3\x1b[0m\x1b[K\r\x1b[1m[100% 3/3] action3\x1b[0m\x1b[K\n",
 			simple: "[ 33% 1/3] action1\n[ 66% 2/3] action2\noutput1\noutput2\n[100% 3/3] action3\n",
 		},
 		{
 			name:   "action with output without newline",
 			calls:  actionsWithOutputWithoutNewline,
 			smart:  "\r\x1b[1m[  0% 0/3] action1\x1b[0m\x1b[K\r\x1b[1m[ 33% 1/3] action1\x1b[0m\x1b[K\r\x1b[1m[ 33% 1/3] action2\x1b[0m\x1b[K\r\x1b[1m[ 66% 2/3] action2\x1b[0m\x1b[K\noutput1\noutput2\n\r\x1b[1m[ 66% 2/3] action3\x1b[0m\x1b[K\r\x1b[1m[100% 3/3] action3\x1b[0m\x1b[K\n",
 			simple: "[ 33% 1/3] action1\n[ 66% 2/3] action2\noutput1\noutput2\n[100% 3/3] action3\n",
 		},
 		{
 			name:   "action with error",
 			calls:  actionsWithError,
 			smart:  "\r\x1b[1m[  0% 0/3] action1\x1b[0m\x1b[K\r\x1b[1m[ 33% 1/3] action1\x1b[0m\x1b[K\r\x1b[1m[ 33% 1/3] action2\x1b[0m\x1b[K\r\x1b[1m[ 66% 2/3] action2\x1b[0m\x1b[K\n\x1b[31m\x1b[1mFAILED:\x1b[0m f1 f2\ntouch f1 f2\nerror1\nerror2\n\r\x1b[1m[ 66% 2/3] action3\x1b[0m\x1b[K\r\x1b[1m[100% 3/3] action3\x1b[0m\x1b[K\n",
 			simple: "[ 33% 1/3] action1\n[ 66% 2/3] action2\nFAILED: f1 f2\ntouch f1 f2\nerror1\nerror2\n[100% 3/3] action3\n",
 		},
 		{
 			name:   "action with empty description",
 			calls:  actionWithEmptyDescription,
 			smart:  "\r\x1b[1m[  0% 0/1] command1\x1b[0m\x1b[K\r\x1b[1m[100% 1/1] command1\x1b[0m\x1b[K\n",
 			simple: "[100% 1/1] command1\n",
 		},
 		{
 			name:   "messages",
 			calls:  actionsWithMessages,
 			smart:  "\r\x1b[1m[  0% 0/2] action1\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action1\x1b[0m\x1b[K\r\x1b[1mstatus\x1b[0m\x1b[K\r\x1b[Kprint\n\x1b[31m\x1b[1mFAILED:\x1b[0m error\n\r\x1b[1m[ 50% 1/2] action2\x1b[0m\x1b[K\r\x1b[1m[100% 2/2] action2\x1b[0m\x1b[K\n",
 			simple: "[ 50% 1/2] action1\nstatus\nprint\nFAILED: error\n[100% 2/2] action2\n",
 		},
 		{
 			name:   "action with long description",
 			calls:  actionWithLongDescription,
 			smart:  "\r\x1b[1m[  0% 0/2] action with very long descrip\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action with very long descrip\x1b[0m\x1b[K\n",
 			simple: "[ 50% 1/2] action with very long description to test eliding\n",
 		},
 		{
 			name:   "action with output with ansi codes",
 			calls:  actionWithOutputWithAnsiCodes,
 			smart:  "\r\x1b[1m[  0% 0/1] action1\x1b[0m\x1b[K\r\x1b[1m[100% 1/1] action1\x1b[0m\x1b[K\n\x1b[31mcolor\x1b[0m\n\x1b[31mcolor message\x1b[0m\n",
 			simple: "[100% 1/1] action1\ncolor\ncolor message\n",
 		},
 	}

 	os.Setenv(tableHeightEnVar, "")

 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

 			t.Run("smart", func(t *testing.T) {
 				smart := &fakeSmartTerminal{termWidth: 40}
 				stat := NewStatusOutput(smart, "", false, false, false)
 				tt.calls(stat)
 				stat.Flush()

 				if g, w := smart.String(), tt.smart; g != w {
 					t.Errorf("want:\n%q\ngot:\n%q", w, g)
 				}
 			})

 			t.Run("simple", func(t *testing.T) {
 				simple := &bytes.Buffer{}
 				stat := NewStatusOutput(simple, "", false, false, false)
 				tt.calls(stat)
 				stat.Flush()

 				if g, w := simple.String(), tt.simple; g != w {
 					t.Errorf("want:\n%q\ngot:\n%q", w, g)
 				}
 			})

 			t.Run("force simple", func(t *testing.T) {
 				smart := &fakeSmartTerminal{termWidth: 40}
 				stat := NewStatusOutput(smart, "", true, false, false)
 				tt.calls(stat)
 				stat.Flush()

 				if g, w := smart.String(), tt.simple; g != w {
 					t.Errorf("want:\n%q\ngot:\n%q", w, g)
 				}
 			})
 		})
 	}
 }

 type runner struct {
 	counts status.Counts
 	stat   status.StatusOutput
 }

 func newRunner(stat status.StatusOutput, totalActions int) *runner {
 	return &runner{
 		counts: status.Counts{TotalActions: totalActions},
 		stat:   stat,
 	}
 }

 func (r *runner) startAction(action *status.Action) {
 	r.counts.StartedActions++
 	r.counts.RunningActions++
 	r.stat.StartAction(action, r.counts)
 }

 func (r *runner) finishAction(result status.ActionResult) {
 	r.counts.FinishedActions++
 	r.counts.RunningActions--
 	r.stat.FinishAction(result, r.counts)
 }

 func (r *runner) finishAndStartAction(result status.ActionResult, action *status.Action) {
 	r.counts.FinishedActions++
 	r.stat.FinishAction(result, r.counts)

 	r.counts.StartedActions++
 	r.stat.StartAction(action, r.counts)
 }

 var (
 	action1 = &status.Action{Description: "action1"}
 	result1 = status.ActionResult{Action: action1}
 	action2 = &status.Action{Description: "action2"}
 	result2 = status.ActionResult{Action: action2}
 	action3 = &status.Action{Description: "action3"}
 	result3 = status.ActionResult{Action: action3}
 )

 func twoActions(stat status.StatusOutput) {
 	runner := newRunner(stat, 2)
 	runner.startAction(action1)
 	runner.finishAction(result1)
 	runner.startAction(action2)
 	runner.finishAction(result2)
 }

 func twoParallelActions(stat status.StatusOutput) {
 	runner := newRunner(stat, 2)
 	runner.startAction(action1)
 	runner.startAction(action2)
 	runner.finishAction(result1)
 	runner.finishAction(result2)
 }

 func actionsWithOutput(stat status.StatusOutput) {
 	result2WithOutput := status.ActionResult{Action: action2, Output: "output1\noutput2\n"}

 	runner := newRunner(stat, 3)
 	runner.startAction(action1)
 	runner.finishAction(result1)
 	runner.startAction(action2)
 	runner.finishAction(result2WithOutput)
 	runner.startAction(action3)
 	runner.finishAction(result3)
 }

 func actionsWithOutputWithoutNewline(stat status.StatusOutput) {
 	result2WithOutputWithoutNewline := status.ActionResult{Action: action2, Output: "output1\noutput2"}

 	runner := newRunner(stat, 3)
 	runner.startAction(action1)
 	runner.finishAction(result1)
 	runner.startAction(action2)
 	runner.finishAction(result2WithOutputWithoutNewline)
 	runner.startAction(action3)
 	runner.finishAction(result3)
 }

 func actionsWithError(stat status.StatusOutput) {
 	action2WithError := &status.Action{Description: "action2", Outputs: []string{"f1", "f2"}, Command: "touch f1 f2"}
 	result2WithError := status.ActionResult{Action: action2WithError, Output: "error1\nerror2\n", Error: fmt.Errorf("error1")}

 	runner := newRunner(stat, 3)
 	runner.startAction(action1)
 	runner.finishAction(result1)
 	runner.startAction(action2WithError)
 	runner.finishAction(result2WithError)
 	runner.startAction(action3)
 	runner.finishAction(result3)
 }

 func actionWithEmptyDescription(stat status.StatusOutput) {
 	action1 := &status.Action{Command: "command1"}
 	result1 := status.ActionResult{Action: action1}

 	runner := newRunner(stat, 1)
 	runner.startAction(action1)
 	runner.finishAction(result1)
 }

 func actionsWithMessages(stat status.StatusOutput) {
 	runner := newRunner(stat, 2)

 	runner.startAction(action1)
 	runner.finishAction(result1)

 	stat.Message(status.VerboseLvl, "verbose")
 	stat.Message(status.StatusLvl, "status")
 	stat.Message(status.PrintLvl, "print")
 	stat.Message(status.ErrorLvl, "error")

 	runner.startAction(action2)
 	runner.finishAction(result2)
 }

 func actionWithLongDescription(stat status.StatusOutput) {
 	action1 := &status.Action{Description: "action with very long description to test eliding"}
 	result1 := status.ActionResult{Action: action1}

 	runner := newRunner(stat, 2)

 	runner.startAction(action1)

 	runner.finishAction(result1)
 }

 func actionWithOutputWithAnsiCodes(stat status.StatusOutput) {
 	result1WithOutputWithAnsiCodes := status.ActionResult{Action: action1, Output: "\x1b[31mcolor\x1b[0m"}

 	runner := newRunner(stat, 1)
 	runner.startAction(action1)
 	runner.finishAction(result1WithOutputWithAnsiCodes)

 	stat.Message(status.PrintLvl, "\x1b[31mcolor message\x1b[0m")
 }

 func TestSmartStatusOutputWidthChange(t *testing.T) {
 	os.Setenv(tableHeightEnVar, "")

 	smart := &fakeSmartTerminal{termWidth: 40}
 	stat := NewStatusOutput(smart, "", false, false, false)
 	smartStat := stat.(*smartStatusOutput)
 	smartStat.sigwinchHandled = make(chan bool)

 	runner := newRunner(stat, 2)

 	action := &status.Action{Description: "action with very long description to test eliding"}
 	result := status.ActionResult{Action: action}

 	runner.startAction(action)
 	smart.termWidth = 30
 	// Fake a SIGWINCH
 	smartStat.sigwinch <- syscall.SIGWINCH
 	<-smartStat.sigwinchHandled
 	runner.finishAction(result)

 	stat.Flush()

 	w := "\r\x1b[1m[  0% 0/2] action with very long descrip\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action with very lo\x1b[0m\x1b[K\n"

 	if g := smart.String(); g != w {
 		t.Errorf("want:\n%q\ngot:\n%q", w, g)
 	}
 }

 func TestSmartStatusDoesntHideAfterSucecss(t *testing.T) {
 	os.Setenv(tableHeightEnVar, "")

 	smart := &fakeSmartTerminal{termWidth: 40}
 	stat := NewStatusOutput(smart, "", false, false, false)
 	smartStat := stat.(*smartStatusOutput)
 	smartStat.sigwinchHandled = make(chan bool)

 	runner := newRunner(stat, 2)

 	action1 := &status.Action{Description: "action1"}
 	result1 := status.ActionResult{
 		Action: action1,
 		Output: "Output1",
 	}

 	action2 := &status.Action{Description: "action2"}
 	result2 := status.ActionResult{
 		Action: action2,
 		Output: "Output2",
 	}

 	runner.startAction(action1)
 	runner.startAction(action2)
 	runner.finishAction(result1)
 	runner.finishAction(result2)

 	stat.Flush()

 	w := "\r\x1b[1m[  0% 0/2] action1\x1b[0m\x1b[K\r\x1b[1m[  0% 0/2] action2\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action1\x1b[0m\x1b[K\nOutput1\n\r\x1b[1m[100% 2/2] action2\x1b[0m\x1b[K\nOutput2\n"

 	if g := smart.String(); g != w {
 		t.Errorf("want:\n%q\ngot:\n%q", w, g)
 	}
 }

 func TestSmartStatusHideAfterFailure(t *testing.T) {
 	os.Setenv(tableHeightEnVar, "")

 	smart := &fakeSmartTerminal{termWidth: 40}
 	stat := NewStatusOutput(smart, "", false, false, false)
 	smartStat := stat.(*smartStatusOutput)
 	smartStat.sigwinchHandled = make(chan bool)

 	runner := newRunner(stat, 2)

 	action1 := &status.Action{Description: "action1"}
 	result1 := status.ActionResult{
 		Action: action1,
 		Output: "Output1",
 		Error:  fmt.Errorf("Error1"),
 	}

 	action2 := &status.Action{Description: "action2"}
 	result2 := status.ActionResult{
 		Action: action2,
 		Output: "Output2",
 	}

 	runner.startAction(action1)
 	runner.startAction(action2)
 	runner.finishAction(result1)
 	runner.finishAction(result2)

 	stat.Flush()

 	w := "\r\x1b[1m[  0% 0/2] action1\x1b[0m\x1b[K\r\x1b[1m[  0% 0/2] action2\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action1\x1b[0m\x1b[K\n\x1b[31m\x1b[1mFAILED:\x1b[0m \nOutput1\n\r\x1b[1m[100% 2/2] action2\x1b[0m\x1b[K\nThere was 1 action that completed after the action that failed. See verbose.log.gz for its output.\n"

 	if g := smart.String(); g != w {
 		t.Errorf("want:\n%q\ngot:\n%q", w, g)
 	}
 }

 func TestSmartStatusHideAfterFailurePlural(t *testing.T) {
 	os.Setenv(tableHeightEnVar, "")

 	smart := &fakeSmartTerminal{termWidth: 40}
 	stat := NewStatusOutput(smart, "", false, false, false)
 	smartStat := stat.(*smartStatusOutput)
 	smartStat.sigwinchHandled = make(chan bool)

 	runner := newRunner(stat, 2)

 	action1 := &status.Action{Description: "action1"}
 	result1 := status.ActionResult{
 		Action: action1,
 		Output: "Output1",
 		Error:  fmt.Errorf("Error1"),
 	}

 	action2 := &status.Action{Description: "action2"}
 	result2 := status.ActionResult{
 		Action: action2,
 		Output: "Output2",
 	}

 	action3 := &status.Action{Description: "action3"}
 	result3 := status.ActionResult{
 		Action: action3,
 		Output: "Output3",
 	}

 	runner.startAction(action1)
 	runner.startAction(action2)
 	runner.startAction(action3)
 	runner.finishAction(result1)
 	runner.finishAction(result2)
 	runner.finishAction(result3)

 	stat.Flush()

 	w := "\r\x1b[1m[  0% 0/2] action1\x1b[0m\x1b[K\r\x1b[1m[  0% 0/2] action2\x1b[0m\x1b[K\r\x1b[1m[  0% 0/2] action3\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action1\x1b[0m\x1b[K\n\x1b[31m\x1b[1mFAILED:\x1b[0m \nOutput1\n\r\x1b[1m[100% 2/2] action2\x1b[0m\x1b[K\r\x1b[1m[150% 3/2] action3\x1b[0m\x1b[K\nThere were 2 actions that completed after the action that failed. See verbose.log.gz for their output.\n"

 	if g := smart.String(); g != w {
 		t.Errorf("want:\n%q\ngot:\n%q", w, g)
 	}
 }

 func TestSmartStatusDontHideErrorAfterFailure(t *testing.T) {
 	os.Setenv(tableHeightEnVar, "")

 	smart := &fakeSmartTerminal{termWidth: 40}
 	stat := NewStatusOutput(smart, "", false, false, false)
 	smartStat := stat.(*smartStatusOutput)
 	smartStat.sigwinchHandled = make(chan bool)

 	runner := newRunner(stat, 2)

 	action1 := &status.Action{Description: "action1"}
 	result1 := status.ActionResult{
 		Action: action1,
 		Output: "Output1",
 		Error:  fmt.Errorf("Error1"),
 	}

 	action2 := &status.Action{Description: "action2"}
 	result2 := status.ActionResult{
 		Action: action2,
 		Output: "Output2",
 		Error:  fmt.Errorf("Error1"),
 	}

 	runner.startAction(action1)
 	runner.startAction(action2)
 	runner.finishAction(result1)
 	runner.finishAction(result2)

 	stat.Flush()

 	w := "\r\x1b[1m[  0% 0/2] action1\x1b[0m\x1b[K\r\x1b[1m[  0% 0/2] action2\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action1\x1b[0m\x1b[K\n\x1b[31m\x1b[1mFAILED:\x1b[0m \nOutput1\n\r\x1b[1m[100% 2/2] action2\x1b[0m\x1b[K\n\x1b[31m\x1b[1mFAILED:\x1b[0m \nOutput2\n"

 	if g := smart.String(); g != w {
 		t.Errorf("want:\n%q\ngot:\n%q", w, g)
 	}
 }
	// Copyright 2018 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 terminal

	import (
	"bytes"
	"fmt"
	"os"
	"syscall"
	"testing"

	"android/soong/ui/status"
	)

	func TestStatusOutput(t *testing.T) {
	tests := []struct {
	name string
	calls func(stat status.StatusOutput)
	smart string
	simple string
	}{
	{
	name: "two actions",
	calls: twoActions,
	smart: "\r\x1b[1m[ 0% 0/2] action1\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action1\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action2\x1b[0m\x1b[K\r\x1b[1m[100% 2/2] action2\x1b[0m\x1b[K\n",
	simple: "[ 50% 1/2] action1\n[100% 2/2] action2\n",
	},
	{
	name: "two parallel actions",
	calls: twoParallelActions,
	smart: "\r\x1b[1m[ 0% 0/2] action1\x1b[0m\x1b[K\r\x1b[1m[ 0% 0/2] action2\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action1\x1b[0m\x1b[K\r\x1b[1m[100% 2/2] action2\x1b[0m\x1b[K\n",
	simple: "[ 50% 1/2] action1\n[100% 2/2] action2\n",
	},
	{
	name: "action with output",
	calls: actionsWithOutput,
	smart: "\r\x1b[1m[ 0% 0/3] action1\x1b[0m\x1b[K\r\x1b[1m[ 33% 1/3] action1\x1b[0m\x1b[K\r\x1b[1m[ 33% 1/3] action2\x1b[0m\x1b[K\r\x1b[1m[ 66% 2/3] action2\x1b[0m\x1b[K\noutput1\noutput2\n\r\x1b[1m[ 66% 2/3] action3\x1b[0m\x1b[K\r\x1b[1m[100% 3/3] action3\x1b[0m\x1b[K\n",
	simple: "[ 33% 1/3] action1\n[ 66% 2/3] action2\noutput1\noutput2\n[100% 3/3] action3\n",
	},
	{
	name: "action with output without newline",
	calls: actionsWithOutputWithoutNewline,
	smart: "\r\x1b[1m[ 0% 0/3] action1\x1b[0m\x1b[K\r\x1b[1m[ 33% 1/3] action1\x1b[0m\x1b[K\r\x1b[1m[ 33% 1/3] action2\x1b[0m\x1b[K\r\x1b[1m[ 66% 2/3] action2\x1b[0m\x1b[K\noutput1\noutput2\n\r\x1b[1m[ 66% 2/3] action3\x1b[0m\x1b[K\r\x1b[1m[100% 3/3] action3\x1b[0m\x1b[K\n",
	simple: "[ 33% 1/3] action1\n[ 66% 2/3] action2\noutput1\noutput2\n[100% 3/3] action3\n",
	},
	{
	name: "action with error",
	calls: actionsWithError,
	smart: "\r\x1b[1m[ 0% 0/3] action1\x1b[0m\x1b[K\r\x1b[1m[ 33% 1/3] action1\x1b[0m\x1b[K\r\x1b[1m[ 33% 1/3] action2\x1b[0m\x1b[K\r\x1b[1m[ 66% 2/3] action2\x1b[0m\x1b[K\n\x1b[31m\x1b[1mFAILED:\x1b[0m f1 f2\ntouch f1 f2\nerror1\nerror2\n\r\x1b[1m[ 66% 2/3] action3\x1b[0m\x1b[K\r\x1b[1m[100% 3/3] action3\x1b[0m\x1b[K\n",
	simple: "[ 33% 1/3] action1\n[ 66% 2/3] action2\nFAILED: f1 f2\ntouch f1 f2\nerror1\nerror2\n[100% 3/3] action3\n",
	},
	{
	name: "action with empty description",
	calls: actionWithEmptyDescription,
	smart: "\r\x1b[1m[ 0% 0/1] command1\x1b[0m\x1b[K\r\x1b[1m[100% 1/1] command1\x1b[0m\x1b[K\n",
	simple: "[100% 1/1] command1\n",
	},
	{
	name: "messages",
	calls: actionsWithMessages,
	smart: "\r\x1b[1m[ 0% 0/2] action1\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action1\x1b[0m\x1b[K\r\x1b[1mstatus\x1b[0m\x1b[K\r\x1b[Kprint\n\x1b[31m\x1b[1mFAILED:\x1b[0m error\n\r\x1b[1m[ 50% 1/2] action2\x1b[0m\x1b[K\r\x1b[1m[100% 2/2] action2\x1b[0m\x1b[K\n",
	simple: "[ 50% 1/2] action1\nstatus\nprint\nFAILED: error\n[100% 2/2] action2\n",
	},
	{
	name: "action with long description",
	calls: actionWithLongDescription,
	smart: "\r\x1b[1m[ 0% 0/2] action with very long descrip\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action with very long descrip\x1b[0m\x1b[K\n",
	simple: "[ 50% 1/2] action with very long description to test eliding\n",
	},
	{
	name: "action with output with ansi codes",
	calls: actionWithOutputWithAnsiCodes,
	smart: "\r\x1b[1m[ 0% 0/1] action1\x1b[0m\x1b[K\r\x1b[1m[100% 1/1] action1\x1b[0m\x1b[K\n\x1b[31mcolor\x1b[0m\n\x1b[31mcolor message\x1b[0m\n",
	simple: "[100% 1/1] action1\ncolor\ncolor message\n",
	},
	}

	os.Setenv(tableHeightEnVar, "")

	for _, tt := range tests {
	t.Run(tt.name, func(t *testing.T) {

	t.Run("smart", func(t *testing.T) {
	smart := &fakeSmartTerminal{termWidth: 40}
	stat := NewStatusOutput(smart, "", false, false, false)
	tt.calls(stat)
	stat.Flush()

	if g, w := smart.String(), tt.smart; g != w {
	t.Errorf("want:\n%q\ngot:\n%q", w, g)
	}
	})

	t.Run("simple", func(t *testing.T) {
	simple := &bytes.Buffer{}
	stat := NewStatusOutput(simple, "", false, false, false)
	tt.calls(stat)
	stat.Flush()

	if g, w := simple.String(), tt.simple; g != w {
	t.Errorf("want:\n%q\ngot:\n%q", w, g)
	}
	})

	t.Run("force simple", func(t *testing.T) {
	smart := &fakeSmartTerminal{termWidth: 40}
	stat := NewStatusOutput(smart, "", true, false, false)
	tt.calls(stat)
	stat.Flush()

	if g, w := smart.String(), tt.simple; g != w {
	t.Errorf("want:\n%q\ngot:\n%q", w, g)
	}
	})
	})
	}
	}

	type runner struct {
	counts status.Counts
	stat status.StatusOutput
	}

	func newRunner(stat status.StatusOutput, totalActions int) *runner {
	return &runner{
	counts: status.Counts{TotalActions: totalActions},
	stat: stat,
	}
	}

	func (r runner) startAction(action status.Action) {
	r.counts.StartedActions++
	r.counts.RunningActions++
	r.stat.StartAction(action, r.counts)
	}

	func (r *runner) finishAction(result status.ActionResult) {
	r.counts.FinishedActions++
	r.counts.RunningActions--
	r.stat.FinishAction(result, r.counts)
	}

	func (r runner) finishAndStartAction(result status.ActionResult, action status.Action) {
	r.counts.FinishedActions++
	r.stat.FinishAction(result, r.counts)

	r.counts.StartedActions++
	r.stat.StartAction(action, r.counts)
	}

	var (
	action1 = &status.Action{Description: "action1"}
	result1 = status.ActionResult{Action: action1}
	action2 = &status.Action{Description: "action2"}
	result2 = status.ActionResult{Action: action2}
	action3 = &status.Action{Description: "action3"}
	result3 = status.ActionResult{Action: action3}
	)

	func twoActions(stat status.StatusOutput) {
	runner := newRunner(stat, 2)
	runner.startAction(action1)
	runner.finishAction(result1)
	runner.startAction(action2)
	runner.finishAction(result2)
	}

	func twoParallelActions(stat status.StatusOutput) {
	runner := newRunner(stat, 2)
	runner.startAction(action1)
	runner.startAction(action2)
	runner.finishAction(result1)
	runner.finishAction(result2)
	}

	func actionsWithOutput(stat status.StatusOutput) {
	result2WithOutput := status.ActionResult{Action: action2, Output: "output1\noutput2\n"}

	runner := newRunner(stat, 3)
	runner.startAction(action1)
	runner.finishAction(result1)
	runner.startAction(action2)
	runner.finishAction(result2WithOutput)
	runner.startAction(action3)
	runner.finishAction(result3)
	}

	func actionsWithOutputWithoutNewline(stat status.StatusOutput) {
	result2WithOutputWithoutNewline := status.ActionResult{Action: action2, Output: "output1\noutput2"}

	runner := newRunner(stat, 3)
	runner.startAction(action1)
	runner.finishAction(result1)
	runner.startAction(action2)
	runner.finishAction(result2WithOutputWithoutNewline)
	runner.startAction(action3)
	runner.finishAction(result3)
	}

	func actionsWithError(stat status.StatusOutput) {
	action2WithError := &status.Action{Description: "action2", Outputs: []string{"f1", "f2"}, Command: "touch f1 f2"}
	result2WithError := status.ActionResult{Action: action2WithError, Output: "error1\nerror2\n", Error: fmt.Errorf("error1")}

	runner := newRunner(stat, 3)
	runner.startAction(action1)
	runner.finishAction(result1)
	runner.startAction(action2WithError)
	runner.finishAction(result2WithError)
	runner.startAction(action3)
	runner.finishAction(result3)
	}

	func actionWithEmptyDescription(stat status.StatusOutput) {
	action1 := &status.Action{Command: "command1"}
	result1 := status.ActionResult{Action: action1}

	runner := newRunner(stat, 1)
	runner.startAction(action1)
	runner.finishAction(result1)
	}

	func actionsWithMessages(stat status.StatusOutput) {
	runner := newRunner(stat, 2)

	runner.startAction(action1)
	runner.finishAction(result1)

	stat.Message(status.VerboseLvl, "verbose")
	stat.Message(status.StatusLvl, "status")
	stat.Message(status.PrintLvl, "print")
	stat.Message(status.ErrorLvl, "error")

	runner.startAction(action2)
	runner.finishAction(result2)
	}

	func actionWithLongDescription(stat status.StatusOutput) {
	action1 := &status.Action{Description: "action with very long description to test eliding"}
	result1 := status.ActionResult{Action: action1}

	runner := newRunner(stat, 2)

	runner.startAction(action1)

	runner.finishAction(result1)
	}

	func actionWithOutputWithAnsiCodes(stat status.StatusOutput) {
	result1WithOutputWithAnsiCodes := status.ActionResult{Action: action1, Output: "\x1b[31mcolor\x1b[0m"}

	runner := newRunner(stat, 1)
	runner.startAction(action1)
	runner.finishAction(result1WithOutputWithAnsiCodes)

	stat.Message(status.PrintLvl, "\x1b[31mcolor message\x1b[0m")
	}

	func TestSmartStatusOutputWidthChange(t *testing.T) {
	os.Setenv(tableHeightEnVar, "")

	smart := &fakeSmartTerminal{termWidth: 40}
	stat := NewStatusOutput(smart, "", false, false, false)
	smartStat := stat.(*smartStatusOutput)
	smartStat.sigwinchHandled = make(chan bool)

	runner := newRunner(stat, 2)

	action := &status.Action{Description: "action with very long description to test eliding"}
	result := status.ActionResult{Action: action}

	runner.startAction(action)
	smart.termWidth = 30
	// Fake a SIGWINCH
	smartStat.sigwinch <- syscall.SIGWINCH
	<-smartStat.sigwinchHandled
	runner.finishAction(result)

	stat.Flush()

	w := "\r\x1b[1m[ 0% 0/2] action with very long descrip\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action with very lo\x1b[0m\x1b[K\n"

	if g := smart.String(); g != w {
	t.Errorf("want:\n%q\ngot:\n%q", w, g)
	}
	}

	func TestSmartStatusDoesntHideAfterSucecss(t *testing.T) {
	os.Setenv(tableHeightEnVar, "")

	smart := &fakeSmartTerminal{termWidth: 40}
	stat := NewStatusOutput(smart, "", false, false, false)
	smartStat := stat.(*smartStatusOutput)
	smartStat.sigwinchHandled = make(chan bool)

	runner := newRunner(stat, 2)

	action1 := &status.Action{Description: "action1"}
	result1 := status.ActionResult{
	Action: action1,
	Output: "Output1",
	}

	action2 := &status.Action{Description: "action2"}
	result2 := status.ActionResult{
	Action: action2,
	Output: "Output2",
	}

	runner.startAction(action1)
	runner.startAction(action2)
	runner.finishAction(result1)
	runner.finishAction(result2)

	stat.Flush()

	w := "\r\x1b[1m[ 0% 0/2] action1\x1b[0m\x1b[K\r\x1b[1m[ 0% 0/2] action2\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action1\x1b[0m\x1b[K\nOutput1\n\r\x1b[1m[100% 2/2] action2\x1b[0m\x1b[K\nOutput2\n"

	if g := smart.String(); g != w {
	t.Errorf("want:\n%q\ngot:\n%q", w, g)
	}
	}

	func TestSmartStatusHideAfterFailure(t *testing.T) {
	os.Setenv(tableHeightEnVar, "")

	smart := &fakeSmartTerminal{termWidth: 40}
	stat := NewStatusOutput(smart, "", false, false, false)
	smartStat := stat.(*smartStatusOutput)
	smartStat.sigwinchHandled = make(chan bool)

	runner := newRunner(stat, 2)

	action1 := &status.Action{Description: "action1"}
	result1 := status.ActionResult{
	Action: action1,
	Output: "Output1",
	Error: fmt.Errorf("Error1"),
	}

	action2 := &status.Action{Description: "action2"}
	result2 := status.ActionResult{
	Action: action2,
	Output: "Output2",
	}

	runner.startAction(action1)
	runner.startAction(action2)
	runner.finishAction(result1)
	runner.finishAction(result2)

	stat.Flush()

	w := "\r\x1b[1m[ 0% 0/2] action1\x1b[0m\x1b[K\r\x1b[1m[ 0% 0/2] action2\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action1\x1b[0m\x1b[K\n\x1b[31m\x1b[1mFAILED:\x1b[0m \nOutput1\n\r\x1b[1m[100% 2/2] action2\x1b[0m\x1b[K\nThere was 1 action that completed after the action that failed. See verbose.log.gz for its output.\n"

	if g := smart.String(); g != w {
	t.Errorf("want:\n%q\ngot:\n%q", w, g)
	}
	}

	func TestSmartStatusHideAfterFailurePlural(t *testing.T) {
	os.Setenv(tableHeightEnVar, "")

	smart := &fakeSmartTerminal{termWidth: 40}
	stat := NewStatusOutput(smart, "", false, false, false)
	smartStat := stat.(*smartStatusOutput)
	smartStat.sigwinchHandled = make(chan bool)

	runner := newRunner(stat, 2)

	action1 := &status.Action{Description: "action1"}
	result1 := status.ActionResult{
	Action: action1,
	Output: "Output1",
	Error: fmt.Errorf("Error1"),
	}

	action2 := &status.Action{Description: "action2"}
	result2 := status.ActionResult{
	Action: action2,
	Output: "Output2",
	}

	action3 := &status.Action{Description: "action3"}
	result3 := status.ActionResult{
	Action: action3,
	Output: "Output3",
	}

	runner.startAction(action1)
	runner.startAction(action2)
	runner.startAction(action3)
	runner.finishAction(result1)
	runner.finishAction(result2)
	runner.finishAction(result3)

	stat.Flush()

	w := "\r\x1b[1m[ 0% 0/2] action1\x1b[0m\x1b[K\r\x1b[1m[ 0% 0/2] action2\x1b[0m\x1b[K\r\x1b[1m[ 0% 0/2] action3\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action1\x1b[0m\x1b[K\n\x1b[31m\x1b[1mFAILED:\x1b[0m \nOutput1\n\r\x1b[1m[100% 2/2] action2\x1b[0m\x1b[K\r\x1b[1m[150% 3/2] action3\x1b[0m\x1b[K\nThere were 2 actions that completed after the action that failed. See verbose.log.gz for their output.\n"

	if g := smart.String(); g != w {
	t.Errorf("want:\n%q\ngot:\n%q", w, g)
	}
	}

	func TestSmartStatusDontHideErrorAfterFailure(t *testing.T) {
	os.Setenv(tableHeightEnVar, "")

	smart := &fakeSmartTerminal{termWidth: 40}
	stat := NewStatusOutput(smart, "", false, false, false)
	smartStat := stat.(*smartStatusOutput)
	smartStat.sigwinchHandled = make(chan bool)

	runner := newRunner(stat, 2)

	action1 := &status.Action{Description: "action1"}
	result1 := status.ActionResult{
	Action: action1,
	Output: "Output1",
	Error: fmt.Errorf("Error1"),
	}

	action2 := &status.Action{Description: "action2"}
	result2 := status.ActionResult{
	Action: action2,
	Output: "Output2",
	Error: fmt.Errorf("Error1"),
	}

	runner.startAction(action1)
	runner.startAction(action2)
	runner.finishAction(result1)
	runner.finishAction(result2)

	stat.Flush()

	w := "\r\x1b[1m[ 0% 0/2] action1\x1b[0m\x1b[K\r\x1b[1m[ 0% 0/2] action2\x1b[0m\x1b[K\r\x1b[1m[ 50% 1/2] action1\x1b[0m\x1b[K\n\x1b[31m\x1b[1mFAILED:\x1b[0m \nOutput1\n\r\x1b[1m[100% 2/2] action2\x1b[0m\x1b[K\n\x1b[31m\x1b[1mFAILED:\x1b[0m \nOutput2\n"

	if g := smart.String(); g != w {
	t.Errorf("want:\n%q\ngot:\n%q", w, g)
	}
	}