package org.junit.tests.experimental.theories.runner;
import static org.junit.Assert.assertEquals;
import static org.junit.tests.experimental.theories.TheoryTestUtils.potentialAssignments;
import org.junit.Test;
import org.junit.experimental.theories.DataPoint;
import org.junit.experimental.theories.Theories;
import org.junit.runner.RunWith;
public class WithAutoGeneratedDataPoints {
private enum ENUM { VALUE, OTHER_VALUE, THIRD_VALUE };
@RunWith(Theories.class)
public static class TheoryTestClassWithAutogeneratedParameterValues {
public void theory(ENUM e) {
}
public void theory(boolean b) {
}
}
@Test
public void shouldAutomaticallyGenerateEnumDataPoints() throws Throwable {
assertEquals(ENUM.values().length, potentialAssignments(
TheoryTestClassWithAutogeneratedParameterValues.class.getMethod("theory", ENUM.class)).size());
}
@Test
public void shouldAutomaticallyGenerateBooleanDataPoints() throws Throwable {
assertEquals(2, potentialAssignments(
TheoryTestClassWithAutogeneratedParameterValues.class.getMethod("theory", boolean.class)).size());
}
@RunWith(Theories.class)
public static class TheoryTestClassWithSpecificEnumDataPoint {
@DataPoint
public static ENUM value = ENUM.OTHER_VALUE;
public void theory(ENUM e) {
}
}
@Test
public void shouldNotAutogenerateEnumDataPointsWhenSpecificDataPointGiven() throws Throwable {
assertEquals(1, potentialAssignments(
TheoryTestClassWithSpecificEnumDataPoint.class.getMethod("theory", ENUM.class)).size());
}
@RunWith(Theories.class)
public static class TheoryTestClassWithSpecificBooleanDataPoint {
@DataPoint
public static boolean value = true;
public void theory(boolean b) {
}
}
@Test
public void shouldNotAutogenerateBooleanDataPointsWhenSpecificDataPointGiven() throws Throwable {
assertEquals(1, potentialAssignments(
TheoryTestClassWithSpecificBooleanDataPoint.class.getMethod("theory", boolean.class)).size());
}
}