public async Task Test4()
{
output.WriteLine($"Test {nameof(Test4)} is running");
// Seed seeds using the specified startup object.
// This way we can provide data from the test to the startup.
// Typical case, we want the inmemory database to be unique per test.
// We will create the database root in the test and provide it both to
// the startup and to the object creator.
var databaseName = Guid.NewGuid().ToString();
var databaseRoot = new InMemoryDatabaseRoot();
var outputSink = new InternalQueueOutputSink();
var startup = new SampleStartupForUnitTests(outputSink)
{
DatabaseName = databaseName,
DatabaseRoot = databaseRoot
};
var baseCampTrack = await Get.Yield <MountEverestBaseCampTrack.Yield>(startup, outputSink);
output.WriteLine(outputSink.GetOutputAsString());
var projectService = objectCreator.WithLocalInMemoryDatabase(databaseName, databaseRoot).Create <IProjectService>();
var projects = (await projectService.GetAll()).Value;
Assert.Contains(projects, project => project.Name == SomeAlwaysRequiredProject.Yield.SomeAlwaysRequiredProjectName);
Assert.Equal(2, projects.Count);
projectService = objectCreator.WithLocalInMemoryDatabase(Guid.NewGuid().ToString(), new InMemoryDatabaseRoot()).Create <IProjectService>();
projects = (await projectService.GetAll()).Value;
Assert.Empty(projects);
}
/// <inheritdoc/>
public override void Before(MethodInfo methodUnderTest)
{
base.Before(methodUnderTest);
// It is not possible to come to the instance of the ITestOutputHelper.
// This means, all the output from the seeding will not be provided within the test output.
// TODO: Find a Startup within the test assembly.
var outputSink = new InternalQueueOutputSink();
var seedBucketInfoBuilder = new ReflectionBasedSeedBucketInfoBuilder();
var seeder = new Seeder(seedBucketInfoBuilder, outputSink);
// TODO: Is not null, IsSeedBucketSeedingType etc.
var seedingStartupType = SeedingStartupType ?? FindSeedingStartupType();
var seedingReport = seedingStartupType is null
? seeder.SeedSeedBucket(seedBucketType).Result
: seeder.SeedSeedBucket(seedBucketType, seedingStartupType).Result;
// TODO: See the best way to get the error message, inner exception and those kind of things. Throw some rich exception accordingly e.g. SeedingSingleSeedFaildException.
if (seedingReport.Status != SeedingStatus.Succeeded)
{
throw new Exception($"Seeding failed.{Environment.NewLine}{outputSink.GetOutputAsString()}");
}
Type?FindSeedingStartupType()
{
var seedingStartupAttribute = methodUnderTest.GetCustomAttribute <UseSeedingStartupAttribute>();
if (seedingStartupAttribute != null)
{
return(seedingStartupAttribute.SeedingStartupType); // TODO: Check that it is not null, that is seeding startup type etc.
}
seedingStartupAttribute = methodUnderTest.DeclaringType.GetCustomAttribute <UseSeedingStartupAttribute>();
if (seedingStartupAttribute != null)
{
return(seedingStartupAttribute.SeedingStartupType); // TODO: Check that it is not null, that is seeding startup type etc.
}
seedingStartupAttribute = methodUnderTest.DeclaringType.Assembly.GetCustomAttribute <UseSeedingStartupAttribute>();
if (seedingStartupAttribute != null)
{
return(seedingStartupAttribute.SeedingStartupType); // TODO: Check that it is not null, that is seeding startup type etc.
}
return(null);
}
}
protected RequiresSeedBucketFixture(Type seedBucketType, Type?seedingStartupType)
{
// TODO: Check not null, must be seedbucket.
var outputSink = new InternalQueueOutputSink();
var seedBucketInfoBuilder = new ReflectionBasedSeedBucketInfoBuilder();
var seeder = new Seeder(seedBucketInfoBuilder, outputSink);
// TODO: Is not null, IsSeedBucketSeedingType etc.
var seedingReport = seedingStartupType is null
? seeder.SeedSeedBucket(seedBucketType).Result
: seeder.SeedSeedBucket(seedBucketType, seedingStartupType).Result;
// TODO: See the best way to get the error message, inner exception and those kind of things. Throw some rich exception accordingly e.g. SeedingSingleSeedFaildException.
if (seedingReport.Status != SeedingStatus.Succeeded)
{
throw new Exception($"Seeding failed.{Environment.NewLine}{outputSink.GetOutputAsString()}");
}
}
public override IEnumerable <object[]> GetData(MethodInfo testMethod)
{
var parameters = testMethod.GetParameters();
// TODO: Proper detailed error message.
if (!parameters.All(parameter => parameter.ParameterType.IsYieldType()))
{
throw new Exception("Some of the parameters are not yield types.");
}
var seedingStartupType = FindSeedingStartupType();
var outputSink = new InternalQueueOutputSink();
var seedBucketInfoBuilder = new ReflectionBasedSeedBucketInfoBuilder();
var seeder = new Seeder(seedBucketInfoBuilder, outputSink);
yield return(seeder.GetYieldsFor(seedingStartupType, parameters.Select(parameter => parameter.ParameterType).ToArray()).Result);
Type?FindSeedingStartupType()
{
var seedingStartupAttribute = testMethod.GetCustomAttribute <UseSeedingStartupAttribute>();
if (seedingStartupAttribute != null)
{
return(seedingStartupAttribute.SeedingStartupType); // TODO: Check that it is not null, that is seeding startup type etc.
}
seedingStartupAttribute = testMethod.DeclaringType.GetCustomAttribute <UseSeedingStartupAttribute>();
if (seedingStartupAttribute != null)
{
return(seedingStartupAttribute.SeedingStartupType); // TODO: Check that it is not null, that is seeding startup type etc.
}
seedingStartupAttribute = testMethod.DeclaringType.Assembly.GetCustomAttribute <UseSeedingStartupAttribute>();
if (seedingStartupAttribute != null)
{
return(seedingStartupAttribute.SeedingStartupType); // TODO: Check that it is not null, that is seeding startup type etc.
}
return(null);
}
}
