public bool GetSteps_HistoryIsEmpty(NonNegativeInt stepsCount)
{
//arrange
var(_, steps) = MigrationTestsContext.GenerateMigrationState(stepsCount.Item, missingCount: 0);
//act
var result = MigrationHandler.GetSteps(steps, allHistory: new List <MigrationHistory>(), lastLegacyMigrationVersion: new Version("1.1.1.1"));
var originalVersions = steps.Select(x => x.Version.ToString());
var filteredVersions = result.Select(r => r.Version.ToString());
//assert
return(originalVersions.SequenceEqual(filteredVersions));
}
public bool TryExecuteSteps_WithoutFailure(NonNegativeInt stepsCount)
{
//arrange
var(_, steps) = MigrationTestsContext.GenerateMigrationState(0, stepsCount);
//act
var(executionHistory, executionResult) = MigrationHandler.TryExecuteSteps(steps);
var originalVersions = steps.Select(x => x.Version.ToString());
var executedVersions = executionHistory.Reverse().Select(r => r.Version.ToString());
//assert
return(executionResult.Type is ExecutionResultType.Success && originalVersions.SequenceEqual(executedVersions));
}
public Property GetMissingSteps(NonNegativeInt present, NonNegativeInt missing)
{
bool Predicate()
{
//arrange
var(history, steps) = MigrationTestsContext.GenerateMigrationState(present, missing);
//act
var result = MigrationHandler.GetMissingSteps(steps, history, steps[present.Item - 1].Version);
var originalVersions = steps.Skip(present.Item).Select(x => x.Version.ToString());
var filteredVersions = result.Select(r => r.Version.ToString());
//assert
return(originalVersions.SequenceEqual(filteredVersions));
}
return(new Func <bool>(Predicate).When(present.Item > 0));
}
public Property TryExecuteSteps_WithFailure(NonNegativeInt stepsCount, NonNegativeInt failurePosition)
{
bool Predicate()
{
//arrange
var(_, steps) = MigrationTestsContext.GenerateMigrationState(0, stepsCount);
steps[failurePosition.Item - 1] = MigrationTestsContext.MigrationItem(steps[failurePosition.Item - 1].Version, ExecutionResult.Failure(null));
//act
var(executionHistory, executionResult) = MigrationHandler.TryExecuteSteps(steps);
var originalVersions = steps.Take(failurePosition.Item).Select(x => x.Version.ToString());
var executedVersions = executionHistory.Reverse().Select(r => r.Version.ToString());
//assert
return(executionResult.Type is ExecutionResultType.Failure && originalVersions.SequenceEqual(executedVersions));
}
return(new Func <bool>(Predicate).When(stepsCount.Item >= failurePosition.Item && failurePosition.Item > 0));
}
public Property GetSteps_HistoryIsNotEmpty(NonNegativeInt present, NonNegativeInt missing, NonNegativeInt lastLegacyMigrationVersionNumber)
{
bool Predicate()
{
//arrange
var(history, steps) = MigrationTestsContext.GenerateMigrationState(present, missing);
var lastLegacyMigrationVersion = steps[lastLegacyMigrationVersionNumber.Item - 1];
//act
var result = MigrationHandler.GetSteps(steps, history, lastLegacyMigrationVersion.Version);
var originalVersions = steps.Skip(present.Item).Select(x => x.Version.ToString());
var filteredVersions = result.Select(r => r.Version.ToString());
//assert
return(originalVersions.SequenceEqual(filteredVersions));
}
return(new Func <bool>(Predicate).When(
present.Item > 0 &&
lastLegacyMigrationVersionNumber.Item > 0 &&
lastLegacyMigrationVersionNumber.Item <= present.Item + missing.Item &&
lastLegacyMigrationVersionNumber.Item >= present.Item));
}
