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// This source file is part of the Swift.org open source project
//
// Copyright (c) 2016 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//
// PrintObserver.swift
// Prints test progress to stdout.
//
/// Prints textual representations of each XCTestObservation event to stdout.
/// Mirrors the Apple XCTest output exactly.
internal class PrintObserver: XCTestObservation {
func testBundleWillStart(_ testBundle: Bundle) {}
func testSuiteWillStart(_ testSuite: XCTestSuite) {
printAndFlush("Test Suite '\(testSuite.name)' started at \(dateFormatter.string(from: testSuite.testRun!.startDate!))")
}
func testCaseWillStart(_ testCase: XCTestCase) {
printAndFlush("Test Case '\(testCase.name)' started at \(dateFormatter.string(from: testCase.testRun!.startDate!))")
}
func testCase(_ testCase: XCTestCase, didFailWithDescription description: String, inFile filePath: String?, atLine lineNumber: Int) {
let file = filePath ?? "<unknown>"
printAndFlush("\(file):\(lineNumber): error: \(testCase.name) : \(description)")
}
func testCaseDidFinish(_ testCase: XCTestCase) {
let testRun = testCase.testRun!
let verb: String
if testRun.hasSucceeded {
if testRun.hasBeenSkipped {
verb = "skipped"
} else {
verb = "passed"
}
} else {
verb = "failed"
}
printAndFlush("Test Case '\(testCase.name)' \(verb) (\(formatTimeInterval(testRun.totalDuration)) seconds)")
}
func testSuiteDidFinish(_ testSuite: XCTestSuite) {
let testRun = testSuite.testRun!
let verb = testRun.hasSucceeded ? "passed" : "failed"
printAndFlush("Test Suite '\(testSuite.name)' \(verb) at \(dateFormatter.string(from: testRun.stopDate!))")
let tests = testRun.executionCount == 1 ? "test" : "tests"
let skipped = testRun.skipCount > 0 ? "\(testRun.skipCount) test\(testRun.skipCount != 1 ? "s" : "") skipped and " : ""
let failures = testRun.totalFailureCount == 1 ? "failure" : "failures"
printAndFlush("""
\t Executed \(testRun.executionCount) \(tests), \
with \(skipped)\
\(testRun.totalFailureCount) \(failures) \
(\(testRun.unexpectedExceptionCount) unexpected) \
in \(formatTimeInterval(testRun.testDuration)) (\(formatTimeInterval(testRun.totalDuration))) seconds
"""
)
}
func testBundleDidFinish(_ testBundle: Bundle) {}
private lazy var dateFormatter: DateFormatter = {
let formatter = DateFormatter()
formatter.dateFormat = "yyyy-MM-dd HH:mm:ss.SSS"
return formatter
}()
fileprivate func printAndFlush(_ message: String) {
print(message)
#if !os(Android)
fflush(stdout)
#endif
}
private func formatTimeInterval(_ timeInterval: TimeInterval) -> String {
return String(round(timeInterval * 1000.0) / 1000.0)
}
}
extension PrintObserver: XCTestInternalObservation {
func testCase(_ testCase: XCTestCase, wasSkippedWithDescription description: String, at sourceLocation: SourceLocation?) {
let file = sourceLocation?.file ?? "<unknown>"
let line = sourceLocation?.line ?? 0
printAndFlush("\(file):\(line): \(testCase.name) : \(description)")
}
func testCase(_ testCase: XCTestCase, didMeasurePerformanceResults results: String, file: StaticString, line: Int) {
printAndFlush("\(file):\(line): Test Case '\(testCase.name)' measured \(results)")
}
}
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