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zio.test.render.TestRenderer.scala Maven / Gradle / Ivy
/*
* Copyright 2019-2022 John A. De Goes and the ZIO Contributors
*
* 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 zio.test.render
import zio.internal.ansi.AnsiStringOps
import zio.internal.macros.StringUtils.StringOps
import zio.stacktracer.TracingImplicits.disableAutoTrace
import zio.test._
import zio.test.render.ExecutionResult.Status.{Failed, Ignored, Passed}
import zio.test.render.ExecutionResult.{ResultType, Status}
import zio.test.render.LogLine.{Fragment, Line, Message}
import zio.{Cause, _}
trait TestRenderer {
final def render(reporterEvent: ExecutionEvent, includeCause: Boolean)(implicit trace: Trace): Seq[String] =
renderOutput(renderEvent(reporterEvent, includeCause))
def renderEvent(event: ExecutionEvent, includeCause: Boolean)(implicit trace: Trace): Seq[ExecutionResult]
def renderSummary(summary: Summary): String
protected def renderOutput(results: Seq[ExecutionResult])(implicit trace: Trace): Seq[String]
def testCaseOutput(
labels: List[String],
results: Either[TestFailure[Any], TestSuccess],
includeCause: Boolean
)(implicit
trace: Trace
): (List[Line], List[Line]) = {
val depth = labels.length - 1
val label = labels.last
val flatLabel = labels.map(_.red).mkString(" / ".red.faint)
val renderedResult = results match {
case Right(TestSuccess.Succeeded(_)) =>
Some(
rendered(
ResultType.Test,
label,
Passed,
depth,
fr(labels.last).toLine
)
)
case Right(TestSuccess.Ignored(_)) =>
Some(
rendered(
ResultType.Test,
label,
Ignored,
depth,
warn(label).toLine
)
)
case Left(TestFailure.Assertion(result, _)) =>
result.failures.map { result =>
renderedWithSummary(
ResultType.Test,
label,
Failed,
depth,
renderFailure(label, depth, result).lines.toList,
renderFailure(flatLabel, depth, result).lines.toList // Fully-qualified label
)
}
case Left(TestFailure.Runtime(cause, _)) =>
Some(
renderRuntimeCause(
cause,
labels,
depth,
includeCause
)
)
}
(renderedResult.map(r => r.streamingLines).getOrElse(Nil), renderedResult.map(r => r.summaryLines).getOrElse(Nil))
}
def renderAssertFailure(result: TestResult, labels: List[String], depth: Int): ExecutionResult = {
val streamingLabel = labels.lastOption.getOrElse("Top-level defect prevented test execution")
val summaryLabel = labels.mkString(" - ")
val streamingRenderedFailure = renderFailure(streamingLabel, depth, result.result).lines.toList
val summaryRenderedFailure = renderFailure(summaryLabel, depth, result.result).lines.toList
renderedWithSummary(
ResultType.Test,
streamingLabel,
Failed,
depth,
streamingRenderedFailure,
summaryRenderedFailure
)
}
def renderRuntimeCause[E](cause: Cause[E], labels: List[String], depth: Int, includeCause: Boolean)(implicit
trace: Trace
): ExecutionResult = {
val streamingLabel = labels.lastOption.getOrElse("Top-level defect prevented test execution")
val summaryLabel = labels.mkString(" - ")
val failureDetails =
Seq(renderFailureLabel(streamingLabel, depth)) ++ Seq(renderCause(cause, depth))
.filter(_ => includeCause)
.flatMap(_.lines)
val summaryFailureDetails =
Seq(renderFailureLabel(summaryLabel, depth)) ++ Seq(renderCause(cause, depth))
.filter(_ => includeCause)
.flatMap(_.lines)
renderedWithSummary(
ResultType.Test,
streamingLabel,
Failed,
depth,
failureDetails.toList,
summaryFailureDetails.toList
)
}
def renderAssertionResult(assertionResult: TestTrace[Boolean], offset: Int): Message = {
val failures = FailureCase.fromTrace(assertionResult, Chunk.empty)
failures
.map(fc =>
renderGenFailureDetails(assertionResult.getGenFailureDetails, offset) ++
Message(renderFailureCase(fc, offset, None))
)
.foldLeft(Message.empty)(_ ++ _)
}
def renderFailureCase(failureCase: FailureCase, offset: Int, testLabel: Option[String]): Chunk[Line] =
failureCase match {
case FailureCase(errorMessage, codeString, location, path, _, nested, _, customLabel) =>
val errorMessageLines =
Chunk.fromIterable(errorMessage.lines) match {
case head +: tail =>
(error("✗ ") +: head) +: tail.map(error(" ") +: _)
case _ => Chunk.empty
}
val labelLines = Chunk.fromIterable(customLabel.map(label => Line.fromString(label.bold.yellow)))
val result =
errorMessageLines ++ labelLines ++
Chunk(Line.fromString(testLabel.fold(codeString)(l => s"""$codeString ?? "$l""""))) ++
nested.flatMap(renderFailureCase(_, offset, None)).map(_.withOffset(1)) ++
Chunk.fromIterable(
path.filterNot(t => t._1.unstyled == t._2.unstyled).flatMap { case (label, value) =>
Chunk.fromIterable(value.split("\n").map(Fragment(_).toLine)) match {
case head +: lines => (dim(s"${label.trim} = ") +: head) +: lines
case _ => Vector.empty
}
}
) ++
Chunk(detail(s"at $location").toLine)
result.map(_.withOffset(offset + 1))
}
def renderCause(cause: Cause[Any], offset: Int)(implicit trace: Trace): Message = {
val defects = cause.defects
val timeouts = defects.collect { case TestTimeoutException(message) =>
Message(message)
}
val remaining =
cause.stripSomeDefects { case TestTimeoutException(_) =>
true
}
val prefix = timeouts.foldLeft(Message.empty)(_ ++ _)
remaining match {
case Some(remainingCause) =>
prefix ++ Message(
remainingCause.prettyPrint
.split("\n")
.map(s => withOffset(offset + 1)(Line.fromString(s)))
.toVector
)
case None =>
prefix
}
}
private def renderFailure(label: String, offset: Int, details: TestTrace[Boolean]): Message =
renderFailureLabel(label, offset) +: renderAssertionResult(details, offset) :+ Line.empty
def renderFailureLabel(label: String, offset: Int): Line =
withOffset(offset)(error("- " + label).toLine)
private def renderGenFailureDetails(failureDetails: Option[GenFailureDetails], offset: Int): Message =
failureDetails match {
case Some(details) =>
val shrunken = details.shrunkenInput.toString
val initial = details.initialInput.toString
val renderShrunken = withOffset(offset + 1)(
Fragment(
s"Test failed after ${details.iterations + 1} iteration${if (details.iterations > 0) "s" else ""} with input: "
) +
error(shrunken)
)
if (initial == shrunken) renderShrunken.toMessage
else
renderShrunken + withOffset(offset + 1)(
Fragment(s"Original input before shrinking was: ") + error(initial)
)
case None => Message.empty
}
def rendered(
caseType: ResultType,
label: String,
result: Status,
offset: Int,
lines: Line*
): ExecutionResult =
ExecutionResult(caseType, label, result, offset, Nil, lines.toList, lines.toList, None)
def renderedWithSummary(
caseType: ResultType,
label: String,
result: Status,
offset: Int,
lines: List[Line],
summaryLines: List[Line]
): ExecutionResult =
ExecutionResult(caseType, label, result, offset, Nil, lines, summaryLines, None)
}
