FieldsTest.java

package japicmp.test;

import com.google.common.base.Optional;
import japicmp.cmp.JarArchiveComparator;
import japicmp.cmp.JarArchiveComparatorOptions;
import japicmp.model.AccessModifier;
import japicmp.model.JApiChangeStatus;
import japicmp.model.JApiClass;
import japicmp.model.TransientModifier;
import org.junit.BeforeClass;
import org.junit.Test;

import java.util.List;

import static japicmp.test.util.Helper.*;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

public class FieldsTest {
	private static List<JApiClass> jApiClasses;

	@BeforeClass
	public static void beforeClass() {
		JarArchiveComparatorOptions options = new JarArchiveComparatorOptions();
		options.setAccessModifier(AccessModifier.PRIVATE);
		JarArchiveComparator jarArchiveComparator = new JarArchiveComparator(options);
		jApiClasses = jarArchiveComparator.compare(getArchive("japicmp-test-v1.jar"), getArchive("japicmp-test-v2.jar"));
	}

	@Test
	public void testPrivateToPublicField() {
		JApiClass fieldsClass = getJApiClass(jApiClasses, Fields.class.getName());
		assertThat(fieldsClass.getChangeStatus(), is(JApiChangeStatus.MODIFIED));
		assertThat(getJApiField(fieldsClass.getFields(), "privateToPublicField").getChangeStatus(), is(JApiChangeStatus.MODIFIED));
		assertThat(getJApiField(fieldsClass.getFields(), "privateToPublicField").getAccessModifier().getOldModifier(), is(Optional.of(AccessModifier.PRIVATE)));
		assertThat(getJApiField(fieldsClass.getFields(), "privateToPublicField").getAccessModifier().getNewModifier(), is(Optional.of(AccessModifier.PUBLIC)));
	}

	@Test
	public void testPrivateToProtectedField() {
		JApiClass fieldsClass = getJApiClass(jApiClasses, Fields.class.getName());
		assertThat(fieldsClass.getChangeStatus(), is(JApiChangeStatus.MODIFIED));
		assertThat(getJApiField(fieldsClass.getFields(), "privateToProtectedField").getChangeStatus(), is(JApiChangeStatus.MODIFIED));
		assertThat(getJApiField(fieldsClass.getFields(), "privateToProtectedField").getAccessModifier().getOldModifier(), is(Optional.of(AccessModifier.PRIVATE)));
		assertThat(getJApiField(fieldsClass.getFields(), "privateToProtectedField").getAccessModifier().getNewModifier(), is(Optional.of(AccessModifier.PROTECTED)));
	}

	@Test
	public void testPrivateToPackageProctedField() {
		JApiClass fieldsClass = getJApiClass(jApiClasses, Fields.class.getName());
		assertThat(fieldsClass.getChangeStatus(), is(JApiChangeStatus.MODIFIED));
		assertThat(getJApiField(fieldsClass.getFields(), "privateToPackageProctedField").getChangeStatus(), is(JApiChangeStatus.MODIFIED));
		assertThat(getJApiField(fieldsClass.getFields(), "privateToPackageProctedField").getAccessModifier().getOldModifier(), is(Optional.of(AccessModifier.PRIVATE)));
		assertThat(getJApiField(fieldsClass.getFields(), "privateToPackageProctedField").getAccessModifier().getNewModifier(), is(Optional.of(AccessModifier.PACKAGE_PROTECTED)));
	}

	@Test
	public void test() {
		JApiClass fieldsClass = getJApiClass(jApiClasses, Fields.class.getName());
		assertThat(fieldsClass.getChangeStatus(), is(JApiChangeStatus.MODIFIED));
		assertThat(getJApiField(fieldsClass.getFields(), "privateRemainsPrivateField").getChangeStatus(), is(JApiChangeStatus.UNCHANGED));
		assertThat(getJApiField(fieldsClass.getFields(), "privateRemainsPrivateField").getAccessModifier().getOldModifier(), is(Optional.of(AccessModifier.PRIVATE)));
		assertThat(getJApiField(fieldsClass.getFields(), "privateRemainsPrivateField").getAccessModifier().getNewModifier(), is(Optional.of(AccessModifier.PRIVATE)));
	}

	@Test
	public void testTransientToNonTransient() {
		JApiClass fieldsClass = getJApiClass(jApiClasses, Fields.class.getName());
		assertThat(fieldsClass.getChangeStatus(), is(JApiChangeStatus.MODIFIED));
		assertThat(getJApiField(fieldsClass.getFields(), "transientToNonTransient").getChangeStatus(), is(JApiChangeStatus.MODIFIED));
		assertThat(getJApiField(fieldsClass.getFields(), "transientToNonTransient").getTransientModifier().getChangeStatus(), is(JApiChangeStatus.MODIFIED));
		assertThat(getJApiField(fieldsClass.getFields(), "transientToNonTransient").getTransientModifier().getOldModifier(), is(Optional.of(TransientModifier.TRANSIENT)));
		assertThat(getJApiField(fieldsClass.getFields(), "transientToNonTransient").getTransientModifier().getNewModifier(), is(Optional.of(TransientModifier.NON_TRANSIENT)));
	}

	@Test
	public void testNonTransientToTransient() {
		JApiClass fieldsClass = getJApiClass(jApiClasses, Fields.class.getName());
		assertThat(fieldsClass.getChangeStatus(), is(JApiChangeStatus.MODIFIED));
		assertThat(getJApiField(fieldsClass.getFields(), "nonTransientToTransient").getChangeStatus(), is(JApiChangeStatus.MODIFIED));
		assertThat(getJApiField(fieldsClass.getFields(), "nonTransientToTransient").getTransientModifier().getChangeStatus(), is(JApiChangeStatus.MODIFIED));
		assertThat(getJApiField(fieldsClass.getFields(), "nonTransientToTransient").getTransientModifier().getOldModifier(), is(Optional.of(TransientModifier.NON_TRANSIENT)));
		assertThat(getJApiField(fieldsClass.getFields(), "nonTransientToTransient").getTransientModifier().getNewModifier(), is(Optional.of(TransientModifier.TRANSIENT)));
	}
}