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package org.etlunit;

import org.etlunit.parser.ETLTestClass;
import org.etlunit.parser.ETLTestMethod;

import java.util.ArrayList;
import java.util.List;

public interface StatusReporter
{
	enum test_completion_code
	{
		success,
		failure,
		warning,
		error
	}

	class CompletionStatus
	{
		private TestExecutionError testExecutionError;
		private final List assertionFailures = new ArrayList();
		private final List assertionFailureIds = new ArrayList();
		private final List testWarnings = new ArrayList();
		private final List testWarningIds = new ArrayList();

		private String expectedErrorId;

		private List expectedFailureIds = new ArrayList();
		private List expectedWarningIds = new ArrayList();

		private boolean expectedErrorOverride = false;
		private boolean expectedFailureOverride = false;

		public void setExpectedErrorOverride(boolean expectedErrorOverride)
		{
			this.expectedErrorOverride = expectedErrorOverride;
		}

		public void setExpectedFailureOverride(boolean expectedFailureOverride)
		{
			this.expectedFailureOverride = expectedFailureOverride;
		}

		public String getExpectedErrorId()
		{
			return expectedErrorId;
		}

		public void setExpectedErrorId(String expectedErrorId)
		{
			this.expectedErrorId = expectedErrorId;
		}

		public void addExpectedFailureId(String expectedErrorId)
		{
			expectedFailureIds.add(expectedErrorId);
		}

		public void addExpectedFailureIds(List expectedErrorIds)
		{
			expectedFailureIds.addAll(expectedErrorIds);
		}

		public void addExpectedWarningId(String expectedErrorId)
		{
			expectedWarningIds.add(expectedErrorId);
		}

		public void addExpectedWarningIds(List expectedErrorIds)
		{
			expectedWarningIds.addAll(expectedErrorIds);
		}

		public TestExecutionError getError()
		{
			return testExecutionError;
		}

		public boolean hasError()
		{
			return testExecutionError != null;
		}

		public boolean hasFailures()
		{
			return hasError() || assertionFailures.size() != 0;
		}

		public List getAssertionFailures()
		{
			return assertionFailures;
		}

		public List getWarnings()
		{
			return testWarnings;
		}

		public void addWarning(TestWarning warn)
		{
			String warningId = warn.getWarningId();
			if (!testWarningIds.contains(warningId))
			{
				testWarningIds.add(warningId);
			}

			testWarnings.add(warn);
		}

		public void addFailure(TestAssertionFailure failure)
		{
			String failureId = failure.getFailureId();
			if (!assertionFailureIds.contains(failureId))
			{
				assertionFailureIds.add(failureId);
			}

			assertionFailures.add(failure);
		}

		public void setError(TestExecutionError err)
		{
			testExecutionError = err;
		}

		public String toString()
		{
			return "error=" + testExecutionError + ", failures=" + assertionFailures + ", warnings" + testWarnings;
		}

		public test_completion_code getTestResult()
		{
			test_completion_code testResult = null;

			if (testExecutionError != null && expectedErrorId == null)
			{
				testResult = test_completion_code.error;
			}
			else if (assertionFailures.size() != 0)
			{
				testResult = test_completion_code.failure;
			}
			else if (testWarnings.size() != 0)
			{
				testResult = test_completion_code.warning;
			}
			else
			{
				testResult = test_completion_code.success;
			}

			switch (testResult)
			{
				case success:
					return test_completion_code.success;
				case warning:
					return test_completion_code.success;
				case failure:
				case error:
					if (expectedErrorOverride || expectedFailureOverride)
					{
						// success
						return test_completion_code.success;
					}
					return testResult;
				default:
					throw new UnsupportedOperationException();
			}
		}

		public List getExpectedWarningIds()
		{
			return expectedWarningIds;
		}

		public List getExpectedFailureIds()
		{
			return expectedFailureIds;
		}

		public List getTestWarningIds()
		{
			return testWarningIds;
		}

		public List getAssertionFailureIds()
		{
			return assertionFailureIds;
		}
	}

	void scanStarted();

	void scanCompleted();

	void testsStarted(int numTestsSelected);

	void testClassAccepted(ETLTestClass method);

	void testMethodAccepted(ETLTestMethod method);

	void testBeginning(ETLTestMethod method);

	void testCompleted(ETLTestMethod method, CompletionStatus status);

	void testsCompleted();
}