public void ctor_should_log_seed_with_any_level()
{
var logLevels = (LogLevel[])Enum.GetValues(typeof(LogLevel));
foreach (var logLevel in logLevels)
{
var mockXunitOutputHelper = new XunitOutputHelper();
var mockLogger = new TestLogger(logLevel);
var randomTestHelper = new RandomTestHelper(mockXunitOutputHelper, mockLogger);
mockXunitOutputHelper.Lines.Should().ContainSingle();
mockXunitOutputHelper.Lines.First().Should().MatchEquivalentOf($"*seed*{randomTestHelper.Seed}*generated*");
var expectedLogLevel = new RandomTestHelper.StricterLevelIsLowerComparator().Compare(logLevel, LogLevel.Information) <= 0
? logLevel
: LogLevel.Information;
if (logLevel == LogLevel.None)
{
mockLogger.Lines.Should().BeEmpty();
}
else
{
mockLogger.Lines.Should().ContainSingle();
mockLogger.Lines.First()
.Should()
.MatchEquivalentOf(
$"*{ConsoleLogger.LevelToString(expectedLogLevel)}*{nameof(RandomTestHelper)}*seed*{randomTestHelper.Seed}*generated*");
}
}
}
public void same_seed_reproduces_same_output()
{
const int numberOfRandomsToCheck = 10;
var generatingRandomTestHelper = new RandomTestHelper(new NoopXunitOutputHelper(), new NoopLogger());
var generatedRandoms = new double[numberOfRandomsToCheck];
numberOfRandomsToCheck.Repeat(i => { generatedRandoms[i] = generatingRandomTestHelper.GetInstance().NextDouble(); });
var mockXunitOutputHelper = new XunitOutputHelper();
var mockLogger = new TestLogger();
var reproducingRandomTestHelper = new RandomTestHelper(generatingRandomTestHelper.Seed, mockXunitOutputHelper, mockLogger);
mockXunitOutputHelper.Lines.Should().ContainSingle();
mockXunitOutputHelper.Lines.First().Should().MatchEquivalentOf($"*seed*{generatingRandomTestHelper.Seed}*passed*argument*");
mockLogger.Lines.Should().ContainSingle();
mockLogger.Lines.First()
.Should()
.MatchEquivalentOf(
$"*{nameof(RandomTestHelper)}*seed*{generatingRandomTestHelper.Seed}*passed*argument*");
// ReSharper disable ImplicitlyCapturedClosure
numberOfRandomsToCheck.Repeat(i => { reproducingRandomTestHelper.GetInstance().NextDouble().Should().Be(generatedRandoms[i]); });
// ReSharper restore ImplicitlyCapturedClosure
}
public void ctor_should_log_seed_with_default_level()
{
var mockXunitOutputHelper = new XunitOutputHelper();
var mockLogger = new TestLogger(TestingConfig.Options.LogLevel.DefaultValue);
var randomTestHelper = new RandomTestHelper(mockXunitOutputHelper, mockLogger);
mockXunitOutputHelper.Lines.Should().ContainSingle();
mockXunitOutputHelper.Lines.First().Should().MatchEquivalentOf($"*seed*{randomTestHelper.Seed}*generated*");
mockLogger.Lines.Should().ContainSingle();
mockLogger.Lines.First().Should().MatchEquivalentOf($"*{nameof(RandomTestHelper)}*seed*{randomTestHelper.Seed}*generated*");
}