public void ExampleSpaces()
{
var seeds = Enumerable.Range(0, 5);
var gens = new Dictionary <string, IIntGen <long> >
{
{ "Between_0_And_10", Gen.Int64().Between(0, 10) },
{ "Between_0_And_100", Gen.Int64().Between(0, 100) },
};
var biases = new[] { Gen.Bias.None, Gen.Bias.WithSize };
foreach (var seed in seeds)
{
foreach (var(betweenDescription, gen) in gens)
{
foreach (var bias in biases)
{
var sample = gen
.WithBias(bias)
.Advanced.SampleOneExampleSpace(seed: seed, size: 75)
.Take(500)
.Render(x => x.ToString());
var nameExtension = string.Join("_", new[]
{
betweenDescription,
$"Bias_{bias}",
$"Seed_{seed}"
});
Snapshot.Match(sample, SnapshotNameExtension.Create(nameExtension));
}
}
}
}
/// <summary>
/// Creates a json snapshot of the given object and compares it with the
/// already existing snapshot of the test.
/// If no snapshot exists, a new snapshot will be created from the current result
/// and saved under a certain file path, which will shown within the test message.
/// </summary>
/// <typeparam name="T">The type of the result/object to match.</typeparam>
/// <param name="currentResult">The object to match.</param>
/// <param name="snapshotNameExtension">
/// The snapshot name extension will extend the generated snapshot name with
/// this given extensions. It can be used to make a snapshot name even more
/// specific.
/// Example:
/// Generated Snapshotname = 'NumberAdditionTest'
/// Snapshot name extension = '5', '6', 'Result', '11'
/// Result: 'NumberAdditionTest_5_6_Result_11'
/// </param>
/// <param name="matchOptions">
/// Additional compare actions, which can be applied during the snapshot comparison
/// </param>
public static void Match <T>(T currentResult,
SnapshotNameExtension snapshotNameExtension,
Func <MatchOptions, MatchOptions> matchOptions = null)
{
Match((object)currentResult, snapshotNameExtension, matchOptions);
}
/// <summary>
/// Resolves the snapshot name for the running unit test.
/// The default generated snapshot name can either be overwritten
/// with a given snapshot name, or can be extended by the snapshot name extensions,
/// or both.
/// </summary>
/// <param name="snapshotName">
/// The snapshot name given by the user, this snapshot name will overwrite
/// the automatically generated snapshot name.
/// </param>
/// <param name="snapshotNameExtension">
/// The snapshot name extension will extend the snapshot name with
/// this given extensions. It can be used to make a snapshot name even more
/// specific.
/// Example:
/// Snapshot name = 'NumberAdditionTest'
/// Snapshot name extension = '5', '6', 'Result', '11'
/// Result: 'NumberAdditionTest_5_6_Result_11'
/// </param>
/// <returns>The full name of a snapshot.</returns>
public static SnapshotFullName FullName(
string snapshotName, SnapshotNameExtension snapshotNameExtension)
{
return(Snapshooter.ResolveSnapshotFullName(snapshotName, snapshotNameExtension));
}
/// <summary>
/// Creates a json snapshot of the given object and compares it with the
/// already existing snapshot of the test.
/// If no snapshot exists, a new snapshot will be created from the current result
/// and saved under a certain file path, which will shown within the test message.
/// </summary>
/// <param name="currentResult">The object to match.</param>
/// <param name="snapshotNameExtension">
/// The snapshot name extension will extend the generated snapshot name with
/// this given extensions. It can be used to make a snapshot name even more
/// specific.
/// Example:
/// Generated Snapshotname = 'NumberAdditionTest'
/// Snapshot name extension = '5', '6', 'Result', '11'
/// Result: 'NumberAdditionTest_5_6_Result_11'
/// </param>
/// <param name="matchOptions">
/// Additional compare actions, which can be applied during the snapshot comparison
/// </param>
public static void Match(object currentResult,
SnapshotNameExtension snapshotNameExtension,
Func <MatchOptions, MatchOptions> matchOptions = null)
{
Match(currentResult, FullName(snapshotNameExtension), matchOptions);
}
public void Snapshots(int numberOfSamples)
{
var sample = SampleSize(numberOfSamples);
Snapshot.Match(sample, SnapshotNameExtension.Create($"NumberOfSamples={numberOfSamples}"));
}
/// <summary>
/// Creates a json snapshot of the given object and compares it with the
/// already existing snapshot of the test.
/// If no snapshot exists, a new snapshot will be created from the current result
/// and saved under a certain file path, which will shown within the test message.
/// </summary>
/// <param name="currentResult">The object to match.</param>
/// <param name="snapshotNameExtension">
/// The snapshot name extension will extend the generated snapshot name with
/// this given extensions. It can be used to make a snapshot name even more
/// specific.
/// Example:
/// Generated Snapshotname = 'NumberAdditionTest'
/// Snapshot name extension = '5', '6', 'Result', '11'
/// Result: 'NumberAdditionTest_5_6_Result_11'
/// </param>
/// <param name="matchOptions">
/// Additional compare actions, which can be applied during the snapshot comparison
/// </param>
public static void MatchSnapshot(this object currentResult,
SnapshotNameExtension snapshotNameExtension,
Func <MatchOptions, MatchOptions> matchOptions = null)
{
Snapshot.Match(currentResult, snapshotNameExtension, matchOptions);
}