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duplicity-backup/vendor/github.com/onsi/ginkgo/reporters/stenographer/stenographer.go
2016-05-22 15:04:37 +02:00

542 lines
17 KiB
Go

/*
The stenographer is used by Ginkgo's reporters to generate output.
Move along, nothing to see here.
*/
package stenographer
import (
"fmt"
"strings"
"github.com/onsi/ginkgo/types"
)
const defaultStyle = "\x1b[0m"
const boldStyle = "\x1b[1m"
const redColor = "\x1b[91m"
const greenColor = "\x1b[32m"
const yellowColor = "\x1b[33m"
const cyanColor = "\x1b[36m"
const grayColor = "\x1b[90m"
const lightGrayColor = "\x1b[37m"
type cursorStateType int
const (
cursorStateTop cursorStateType = iota
cursorStateStreaming
cursorStateMidBlock
cursorStateEndBlock
)
type Stenographer interface {
AnnounceSuite(description string, randomSeed int64, randomizingAll bool, succinct bool)
AnnounceAggregatedParallelRun(nodes int, succinct bool)
AnnounceParallelRun(node int, nodes int, specsToRun int, totalSpecs int, succinct bool)
AnnounceNumberOfSpecs(specsToRun int, total int, succinct bool)
AnnounceSpecRunCompletion(summary *types.SuiteSummary, succinct bool)
AnnounceSpecWillRun(spec *types.SpecSummary)
AnnounceBeforeSuiteFailure(summary *types.SetupSummary, succinct bool, fullTrace bool)
AnnounceAfterSuiteFailure(summary *types.SetupSummary, succinct bool, fullTrace bool)
AnnounceCapturedOutput(output string)
AnnounceSuccesfulSpec(spec *types.SpecSummary)
AnnounceSuccesfulSlowSpec(spec *types.SpecSummary, succinct bool)
AnnounceSuccesfulMeasurement(spec *types.SpecSummary, succinct bool)
AnnouncePendingSpec(spec *types.SpecSummary, noisy bool)
AnnounceSkippedSpec(spec *types.SpecSummary, succinct bool, fullTrace bool)
AnnounceSpecTimedOut(spec *types.SpecSummary, succinct bool, fullTrace bool)
AnnounceSpecPanicked(spec *types.SpecSummary, succinct bool, fullTrace bool)
AnnounceSpecFailed(spec *types.SpecSummary, succinct bool, fullTrace bool)
SummarizeFailures(summaries []*types.SpecSummary)
}
func New(color bool) Stenographer {
return &consoleStenographer{
color: color,
cursorState: cursorStateTop,
}
}
type consoleStenographer struct {
color bool
cursorState cursorStateType
}
var alternatingColors = []string{defaultStyle, grayColor}
func (s *consoleStenographer) AnnounceSuite(description string, randomSeed int64, randomizingAll bool, succinct bool) {
if succinct {
s.print(0, "[%d] %s ", randomSeed, s.colorize(boldStyle, description))
return
}
s.printBanner(fmt.Sprintf("Running Suite: %s", description), "=")
s.print(0, "Random Seed: %s", s.colorize(boldStyle, "%d", randomSeed))
if randomizingAll {
s.print(0, " - Will randomize all specs")
}
s.printNewLine()
}
func (s *consoleStenographer) AnnounceParallelRun(node int, nodes int, specsToRun int, totalSpecs int, succinct bool) {
if succinct {
s.print(0, "- node #%d ", node)
return
}
s.println(0,
"Parallel test node %s/%s. Assigned %s of %s specs.",
s.colorize(boldStyle, "%d", node),
s.colorize(boldStyle, "%d", nodes),
s.colorize(boldStyle, "%d", specsToRun),
s.colorize(boldStyle, "%d", totalSpecs),
)
s.printNewLine()
}
func (s *consoleStenographer) AnnounceAggregatedParallelRun(nodes int, succinct bool) {
if succinct {
s.print(0, "- %d nodes ", nodes)
return
}
s.println(0,
"Running in parallel across %s nodes",
s.colorize(boldStyle, "%d", nodes),
)
s.printNewLine()
}
func (s *consoleStenographer) AnnounceNumberOfSpecs(specsToRun int, total int, succinct bool) {
if succinct {
s.print(0, "- %d/%d specs ", specsToRun, total)
s.stream()
return
}
s.println(0,
"Will run %s of %s specs",
s.colorize(boldStyle, "%d", specsToRun),
s.colorize(boldStyle, "%d", total),
)
s.printNewLine()
}
func (s *consoleStenographer) AnnounceSpecRunCompletion(summary *types.SuiteSummary, succinct bool) {
if succinct && summary.SuiteSucceeded {
s.print(0, " %s %s ", s.colorize(greenColor, "SUCCESS!"), summary.RunTime)
return
}
s.printNewLine()
color := greenColor
if !summary.SuiteSucceeded {
color = redColor
}
s.println(0, s.colorize(boldStyle+color, "Ran %d of %d Specs in %.3f seconds", summary.NumberOfSpecsThatWillBeRun, summary.NumberOfTotalSpecs, summary.RunTime.Seconds()))
status := ""
if summary.SuiteSucceeded {
status = s.colorize(boldStyle+greenColor, "SUCCESS!")
} else {
status = s.colorize(boldStyle+redColor, "FAIL!")
}
s.print(0,
"%s -- %s | %s | %s | %s ",
status,
s.colorize(greenColor+boldStyle, "%d Passed", summary.NumberOfPassedSpecs),
s.colorize(redColor+boldStyle, "%d Failed", summary.NumberOfFailedSpecs),
s.colorize(yellowColor+boldStyle, "%d Pending", summary.NumberOfPendingSpecs),
s.colorize(cyanColor+boldStyle, "%d Skipped", summary.NumberOfSkippedSpecs),
)
}
func (s *consoleStenographer) AnnounceSpecWillRun(spec *types.SpecSummary) {
s.startBlock()
for i, text := range spec.ComponentTexts[1 : len(spec.ComponentTexts)-1] {
s.print(0, s.colorize(alternatingColors[i%2], text)+" ")
}
indentation := 0
if len(spec.ComponentTexts) > 2 {
indentation = 1
s.printNewLine()
}
index := len(spec.ComponentTexts) - 1
s.print(indentation, s.colorize(boldStyle, spec.ComponentTexts[index]))
s.printNewLine()
s.print(indentation, s.colorize(lightGrayColor, spec.ComponentCodeLocations[index].String()))
s.printNewLine()
s.midBlock()
}
func (s *consoleStenographer) AnnounceBeforeSuiteFailure(summary *types.SetupSummary, succinct bool, fullTrace bool) {
s.announceSetupFailure("BeforeSuite", summary, succinct, fullTrace)
}
func (s *consoleStenographer) AnnounceAfterSuiteFailure(summary *types.SetupSummary, succinct bool, fullTrace bool) {
s.announceSetupFailure("AfterSuite", summary, succinct, fullTrace)
}
func (s *consoleStenographer) announceSetupFailure(name string, summary *types.SetupSummary, succinct bool, fullTrace bool) {
s.startBlock()
var message string
switch summary.State {
case types.SpecStateFailed:
message = "Failure"
case types.SpecStatePanicked:
message = "Panic"
case types.SpecStateTimedOut:
message = "Timeout"
}
s.println(0, s.colorize(redColor+boldStyle, "%s [%.3f seconds]", message, summary.RunTime.Seconds()))
indentation := s.printCodeLocationBlock([]string{name}, []types.CodeLocation{summary.CodeLocation}, summary.ComponentType, 0, summary.State, true)
s.printNewLine()
s.printFailure(indentation, summary.State, summary.Failure, fullTrace)
s.endBlock()
}
func (s *consoleStenographer) AnnounceCapturedOutput(output string) {
if output == "" {
return
}
s.startBlock()
s.println(0, output)
s.midBlock()
}
func (s *consoleStenographer) AnnounceSuccesfulSpec(spec *types.SpecSummary) {
s.print(0, s.colorize(greenColor, "•"))
s.stream()
}
func (s *consoleStenographer) AnnounceSuccesfulSlowSpec(spec *types.SpecSummary, succinct bool) {
s.printBlockWithMessage(
s.colorize(greenColor, "• [SLOW TEST:%.3f seconds]", spec.RunTime.Seconds()),
"",
spec,
succinct,
)
}
func (s *consoleStenographer) AnnounceSuccesfulMeasurement(spec *types.SpecSummary, succinct bool) {
s.printBlockWithMessage(
s.colorize(greenColor, "• [MEASUREMENT]"),
s.measurementReport(spec, succinct),
spec,
succinct,
)
}
func (s *consoleStenographer) AnnouncePendingSpec(spec *types.SpecSummary, noisy bool) {
if noisy {
s.printBlockWithMessage(
s.colorize(yellowColor, "P [PENDING]"),
"",
spec,
false,
)
} else {
s.print(0, s.colorize(yellowColor, "P"))
s.stream()
}
}
func (s *consoleStenographer) AnnounceSkippedSpec(spec *types.SpecSummary, succinct bool, fullTrace bool) {
// Skips at runtime will have a non-empty spec.Failure. All others should be succinct.
if succinct || spec.Failure == (types.SpecFailure{}) {
s.print(0, s.colorize(cyanColor, "S"))
s.stream()
} else {
s.startBlock()
s.println(0, s.colorize(cyanColor+boldStyle, "S [SKIPPING]%s [%.3f seconds]", s.failureContext(spec.Failure.ComponentType), spec.RunTime.Seconds()))
indentation := s.printCodeLocationBlock(spec.ComponentTexts, spec.ComponentCodeLocations, spec.Failure.ComponentType, spec.Failure.ComponentIndex, spec.State, succinct)
s.printNewLine()
s.printSkip(indentation, spec.Failure)
s.endBlock()
}
}
func (s *consoleStenographer) AnnounceSpecTimedOut(spec *types.SpecSummary, succinct bool, fullTrace bool) {
s.printSpecFailure("•... Timeout", spec, succinct, fullTrace)
}
func (s *consoleStenographer) AnnounceSpecPanicked(spec *types.SpecSummary, succinct bool, fullTrace bool) {
s.printSpecFailure("•! Panic", spec, succinct, fullTrace)
}
func (s *consoleStenographer) AnnounceSpecFailed(spec *types.SpecSummary, succinct bool, fullTrace bool) {
s.printSpecFailure("• Failure", spec, succinct, fullTrace)
}
func (s *consoleStenographer) SummarizeFailures(summaries []*types.SpecSummary) {
failingSpecs := []*types.SpecSummary{}
for _, summary := range summaries {
if summary.HasFailureState() {
failingSpecs = append(failingSpecs, summary)
}
}
if len(failingSpecs) == 0 {
return
}
s.printNewLine()
s.printNewLine()
plural := "s"
if len(failingSpecs) == 1 {
plural = ""
}
s.println(0, s.colorize(redColor+boldStyle, "Summarizing %d Failure%s:", len(failingSpecs), plural))
for _, summary := range failingSpecs {
s.printNewLine()
if summary.HasFailureState() {
if summary.TimedOut() {
s.print(0, s.colorize(redColor+boldStyle, "[Timeout...] "))
} else if summary.Panicked() {
s.print(0, s.colorize(redColor+boldStyle, "[Panic!] "))
} else if summary.Failed() {
s.print(0, s.colorize(redColor+boldStyle, "[Fail] "))
}
s.printSpecContext(summary.ComponentTexts, summary.ComponentCodeLocations, summary.Failure.ComponentType, summary.Failure.ComponentIndex, summary.State, true)
s.printNewLine()
s.println(0, s.colorize(lightGrayColor, summary.Failure.Location.String()))
}
}
}
func (s *consoleStenographer) startBlock() {
if s.cursorState == cursorStateStreaming {
s.printNewLine()
s.printDelimiter()
} else if s.cursorState == cursorStateMidBlock {
s.printNewLine()
}
}
func (s *consoleStenographer) midBlock() {
s.cursorState = cursorStateMidBlock
}
func (s *consoleStenographer) endBlock() {
s.printDelimiter()
s.cursorState = cursorStateEndBlock
}
func (s *consoleStenographer) stream() {
s.cursorState = cursorStateStreaming
}
func (s *consoleStenographer) printBlockWithMessage(header string, message string, spec *types.SpecSummary, succinct bool) {
s.startBlock()
s.println(0, header)
indentation := s.printCodeLocationBlock(spec.ComponentTexts, spec.ComponentCodeLocations, types.SpecComponentTypeInvalid, 0, spec.State, succinct)
if message != "" {
s.printNewLine()
s.println(indentation, message)
}
s.endBlock()
}
func (s *consoleStenographer) printSpecFailure(message string, spec *types.SpecSummary, succinct bool, fullTrace bool) {
s.startBlock()
s.println(0, s.colorize(redColor+boldStyle, "%s%s [%.3f seconds]", message, s.failureContext(spec.Failure.ComponentType), spec.RunTime.Seconds()))
indentation := s.printCodeLocationBlock(spec.ComponentTexts, spec.ComponentCodeLocations, spec.Failure.ComponentType, spec.Failure.ComponentIndex, spec.State, succinct)
s.printNewLine()
s.printFailure(indentation, spec.State, spec.Failure, fullTrace)
s.endBlock()
}
func (s *consoleStenographer) failureContext(failedComponentType types.SpecComponentType) string {
switch failedComponentType {
case types.SpecComponentTypeBeforeSuite:
return " in Suite Setup (BeforeSuite)"
case types.SpecComponentTypeAfterSuite:
return " in Suite Teardown (AfterSuite)"
case types.SpecComponentTypeBeforeEach:
return " in Spec Setup (BeforeEach)"
case types.SpecComponentTypeJustBeforeEach:
return " in Spec Setup (JustBeforeEach)"
case types.SpecComponentTypeAfterEach:
return " in Spec Teardown (AfterEach)"
}
return ""
}
func (s *consoleStenographer) printSkip(indentation int, spec types.SpecFailure) {
s.println(indentation, s.colorize(cyanColor, spec.Message))
s.printNewLine()
s.println(indentation, spec.Location.String())
}
func (s *consoleStenographer) printFailure(indentation int, state types.SpecState, failure types.SpecFailure, fullTrace bool) {
if state == types.SpecStatePanicked {
s.println(indentation, s.colorize(redColor+boldStyle, failure.Message))
s.println(indentation, s.colorize(redColor, failure.ForwardedPanic))
s.println(indentation, failure.Location.String())
s.printNewLine()
s.println(indentation, s.colorize(redColor, "Full Stack Trace"))
s.println(indentation, failure.Location.FullStackTrace)
} else {
s.println(indentation, s.colorize(redColor, failure.Message))
s.printNewLine()
s.println(indentation, failure.Location.String())
if fullTrace {
s.printNewLine()
s.println(indentation, s.colorize(redColor, "Full Stack Trace"))
s.println(indentation, failure.Location.FullStackTrace)
}
}
}
func (s *consoleStenographer) printSpecContext(componentTexts []string, componentCodeLocations []types.CodeLocation, failedComponentType types.SpecComponentType, failedComponentIndex int, state types.SpecState, succinct bool) int {
startIndex := 1
indentation := 0
if len(componentTexts) == 1 {
startIndex = 0
}
for i := startIndex; i < len(componentTexts); i++ {
if (state.IsFailure() || state == types.SpecStateSkipped) && i == failedComponentIndex {
color := redColor
if state == types.SpecStateSkipped {
color = cyanColor
}
blockType := ""
switch failedComponentType {
case types.SpecComponentTypeBeforeSuite:
blockType = "BeforeSuite"
case types.SpecComponentTypeAfterSuite:
blockType = "AfterSuite"
case types.SpecComponentTypeBeforeEach:
blockType = "BeforeEach"
case types.SpecComponentTypeJustBeforeEach:
blockType = "JustBeforeEach"
case types.SpecComponentTypeAfterEach:
blockType = "AfterEach"
case types.SpecComponentTypeIt:
blockType = "It"
case types.SpecComponentTypeMeasure:
blockType = "Measurement"
}
if succinct {
s.print(0, s.colorize(color+boldStyle, "[%s] %s ", blockType, componentTexts[i]))
} else {
s.println(indentation, s.colorize(color+boldStyle, "%s [%s]", componentTexts[i], blockType))
s.println(indentation, s.colorize(grayColor, "%s", componentCodeLocations[i]))
}
} else {
if succinct {
s.print(0, s.colorize(alternatingColors[i%2], "%s ", componentTexts[i]))
} else {
s.println(indentation, componentTexts[i])
s.println(indentation, s.colorize(grayColor, "%s", componentCodeLocations[i]))
}
}
indentation++
}
return indentation
}
func (s *consoleStenographer) printCodeLocationBlock(componentTexts []string, componentCodeLocations []types.CodeLocation, failedComponentType types.SpecComponentType, failedComponentIndex int, state types.SpecState, succinct bool) int {
indentation := s.printSpecContext(componentTexts, componentCodeLocations, failedComponentType, failedComponentIndex, state, succinct)
if succinct {
if len(componentTexts) > 0 {
s.printNewLine()
s.print(0, s.colorize(lightGrayColor, "%s", componentCodeLocations[len(componentCodeLocations)-1]))
}
s.printNewLine()
indentation = 1
} else {
indentation--
}
return indentation
}
func (s *consoleStenographer) orderedMeasurementKeys(measurements map[string]*types.SpecMeasurement) []string {
orderedKeys := make([]string, len(measurements))
for key, measurement := range measurements {
orderedKeys[measurement.Order] = key
}
return orderedKeys
}
func (s *consoleStenographer) measurementReport(spec *types.SpecSummary, succinct bool) string {
if len(spec.Measurements) == 0 {
return "Found no measurements"
}
message := []string{}
orderedKeys := s.orderedMeasurementKeys(spec.Measurements)
if succinct {
message = append(message, fmt.Sprintf("%s samples:", s.colorize(boldStyle, "%d", spec.NumberOfSamples)))
for _, key := range orderedKeys {
measurement := spec.Measurements[key]
message = append(message, fmt.Sprintf(" %s - %s: %s%s, %s: %s%s ± %s%s, %s: %s%s",
s.colorize(boldStyle, "%s", measurement.Name),
measurement.SmallestLabel,
s.colorize(greenColor, "%.3f", measurement.Smallest),
measurement.Units,
measurement.AverageLabel,
s.colorize(cyanColor, "%.3f", measurement.Average),
measurement.Units,
s.colorize(cyanColor, "%.3f", measurement.StdDeviation),
measurement.Units,
measurement.LargestLabel,
s.colorize(redColor, "%.3f", measurement.Largest),
measurement.Units,
))
}
} else {
message = append(message, fmt.Sprintf("Ran %s samples:", s.colorize(boldStyle, "%d", spec.NumberOfSamples)))
for _, key := range orderedKeys {
measurement := spec.Measurements[key]
info := ""
if measurement.Info != nil {
message = append(message, fmt.Sprintf("%v", measurement.Info))
}
message = append(message, fmt.Sprintf("%s:\n%s %s: %s%s\n %s: %s%s\n %s: %s%s ± %s%s",
s.colorize(boldStyle, "%s", measurement.Name),
info,
measurement.SmallestLabel,
s.colorize(greenColor, "%.3f", measurement.Smallest),
measurement.Units,
measurement.LargestLabel,
s.colorize(redColor, "%.3f", measurement.Largest),
measurement.Units,
measurement.AverageLabel,
s.colorize(cyanColor, "%.3f", measurement.Average),
measurement.Units,
s.colorize(cyanColor, "%.3f", measurement.StdDeviation),
measurement.Units,
))
}
}
return strings.Join(message, "\n")
}