/*******************************************************************************
* Copyright Technophobia Ltd 2012
*
* This file is part of the Substeps Eclipse Plugin.
*
* The Substeps Eclipse Plugin is free software: you can redistribute it and/or modify
* it under the terms of the Eclipse Public License v1.0.
*
* The Substeps Eclipse Plugin is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Eclipse Public License for more details.
*
* You should have received a copy of the Eclipse Public License
* along with the Substeps Eclipse Plugin. If not, see <http://www.eclipse.org/legal/epl-v10.html>.
******************************************************************************/
package com.technophobia.substeps.document.formatting.partition;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.TypedPosition;
import org.eclipse.jface.text.formatter.IFormattingStrategy;
import org.jmock.Expectations;
import org.jmock.Mockery;
import org.jmock.integration.junit4.JMock;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import com.technophobia.substeps.document.content.ContentTypeDefinition;
import com.technophobia.substeps.document.content.ContentTypeDefinitionFactory;
import com.technophobia.substeps.document.formatting.FormattingContext;
import com.technophobia.substeps.document.formatting.InvalidFormatPositionException;
import com.technophobia.substeps.supplier.Supplier;
@RunWith(JMock.class)
public class PartitionedFormattingContextTest {
private Mockery context;
private ContentTypeDefinitionFactory contentTypeDefinitionFactory;
@Before
public void initialise() {
this.context = new Mockery();
this.contentTypeDefinitionFactory = context.mock(ContentTypeDefinitionFactory.class);
}
@Test
public void hasPreviousContentTypeReturnsFalseForFirstLine() {
final TypedPosition[] positions = positions(position(0, 10, "position-1"));
final FormattingContext formattingContext = formattingContextForPosition(positions, 0);
assertFalse(formattingContext.hasPreviousContent());
}
@Test
public void hasPreviousContentTypeReturnsFalseIfOnlyPreviousTypeIsWhitespace() {
final TypedPosition[] positions = positions(position(0, 10, IDocument.DEFAULT_CONTENT_TYPE),
position(11, 10, "position-1"));
final FormattingContext formattingContext = formattingContextForPosition(positions, 1);
assertFalse(formattingContext.hasPreviousContent());
}
@Test
public void hasPreviousContentTypeReturnsTrueForSecondType() {
final TypedPosition[] positions = positions(position(0, 10, "position-1"), position(11, 10, "position-2"));
final FormattingContext formattingContext = formattingContextForPosition(positions, 1);
assertTrue(formattingContext.hasPreviousContent());
}
@Test(expected = InvalidFormatPositionException.class)
public void previousContentTypeThrowsExceptionForFirstContentType() {
final TypedPosition[] positions = positions(position(0, 10, "position-1"));
final FormattingContext formattingContext = formattingContextForPosition(positions, 0);
formattingContext.inspectPreviousContentType();
}
@Test
public void previousContentTypeReturnsCorrectContentType() throws Exception {
final ContentTypeDefinition previousContentType = context.mock(ContentTypeDefinition.class);
final TypedPosition[] positions = positions(position(0, 10, "position-1"), position(11, 10, "position-2"));
final FormattingContext formattingContext = formattingContextForPosition(positions, 1);
context.checking(new Expectations() {
{
oneOf(contentTypeDefinitionFactory).contentTypeDefintionByName("position-1");
will(returnValue(previousContentType));
}
});
assertThat(formattingContext.inspectPreviousContentType(), is(previousContentType));
}
@Test
public void previousContentTypeReturnsCorrectNonWhitespace() throws Exception {
final ContentTypeDefinition previousContentType = context.mock(ContentTypeDefinition.class,
"previousContentType");
final TypedPosition[] positions = positions(position(0, 10, "position-1"),
position(11, 10, IDocument.DEFAULT_CONTENT_TYPE), position(21, 10, "position-3"));
final FormattingContext formattingContext = formattingContextForPosition(positions, 2);
context.checking(new Expectations() {
{
oneOf(contentTypeDefinitionFactory).contentTypeDefintionByName("position-1");
will(returnValue(previousContentType));
}
});
assertThat(formattingContext.inspectPreviousContentType(), is(previousContentType));
}
@Test
public void hasNextContentTypeReturnsFalseForLastLine() {
final TypedPosition[] positions = positions(position(0, 10, "position-1"));
final FormattingContext formattingContext = formattingContextForPosition(positions, 0);
assertFalse(formattingContext.hasMoreContent());
}
@Test
public void hasNextContentTypeReturnsFalseIfOnlyNextTypeIsWhitespace() {
final TypedPosition[] positions = positions(position(0, 10, "position-1"),
position(11, 10, IDocument.DEFAULT_CONTENT_TYPE));
final FormattingContext formattingContext = formattingContextForPosition(positions, 0);
assertFalse(formattingContext.hasMoreContent());
}
@Test
public void hasNextContentTypeReturnsTrueForSecondLastType() {
final TypedPosition[] positions = positions(position(0, 10, "position-1"), position(11, 10, "position-2"));
final FormattingContext formattingContext = formattingContextForPosition(positions, 0);
assertTrue(formattingContext.hasMoreContent());
}
@Test(expected = InvalidFormatPositionException.class)
public void nextContentTypeThrowsExceptionForLastContentType() {
final TypedPosition[] positions = positions(position(0, 10, "position-1"));
final FormattingContext formattingContext = formattingContextForPosition(positions, 0);
formattingContext.impersonateNextContentContext();
}
@SuppressWarnings("unchecked")
@Test
public void nextContentTypeReturnsCorrectContentType() throws Exception {
final ContentTypeDefinition currentContentType = context
.mock(ContentTypeDefinition.class, "currentContentType");
final ContentTypeDefinition nextContentType = context.mock(ContentTypeDefinition.class, "nextContentType");
final Supplier<FormattingContext> formattingContextSupplier = context.mock(Supplier.class);
final IFormattingStrategy formattingStrategy = context.mock(IFormattingStrategy.class);
final TypedPosition[] positions = positions(position(0, 10, "position-1"), position(11, 10, "position-2"));
final FormattingContext formattingContext = formattingContextForPosition(positions, 0);
context.checking(new Expectations() {
{
oneOf(contentTypeDefinitionFactory).contentTypeDefintionByName("position-1");
will(returnValue(currentContentType));
oneOf(contentTypeDefinitionFactory).contentTypeDefintionByName("position-2");
will(returnValue(nextContentType));
oneOf(currentContentType).id();
will(returnValue("current id"));
oneOf(nextContentType).formattingStrategy(formattingContextSupplier);
will(returnValue(formattingStrategy));
}
});
final ContentTypeDefinition impersonatedContentContextType = formattingContext.impersonateNextContentContext()
.currentContentType();
assertThat(impersonatedContentContextType.id(), is("current id"));
assertThat(impersonatedContentContextType.formattingStrategy(formattingContextSupplier), is(formattingStrategy));
}
@SuppressWarnings("unchecked")
@Test
public void nextContentTypeReturnsCorrectNonWhitespace() throws Exception {
final ContentTypeDefinition currentContentType = context
.mock(ContentTypeDefinition.class, "currentContentType");
final ContentTypeDefinition nextContentType = context.mock(ContentTypeDefinition.class, "nextContentType");
final Supplier<FormattingContext> formattingContextSupplier = context.mock(Supplier.class);
final IFormattingStrategy formattingStrategy = context.mock(IFormattingStrategy.class);
final TypedPosition[] positions = positions(position(0, 10, "position-1"),
position(11, 10, IDocument.DEFAULT_CONTENT_TYPE), position(21, 10, "position-2"));
final FormattingContext formattingContext = formattingContextForPosition(positions, 0);
context.checking(new Expectations() {
{
oneOf(contentTypeDefinitionFactory).contentTypeDefintionByName("position-1");
will(returnValue(currentContentType));
oneOf(contentTypeDefinitionFactory).contentTypeDefintionByName("position-2");
will(returnValue(nextContentType));
oneOf(currentContentType).id();
will(returnValue("current id"));
oneOf(nextContentType).formattingStrategy(formattingContextSupplier);
will(returnValue(formattingStrategy));
}
});
final ContentTypeDefinition impersonatedContentContextType = formattingContext.impersonateNextContentContext()
.currentContentType();
assertThat(impersonatedContentContextType.id(), is("current id"));
assertThat(impersonatedContentContextType.formattingStrategy(formattingContextSupplier), is(formattingStrategy));
}
private FormattingContext formattingContextForPosition(final TypedPosition[] positions, final int currentPosition) {
return new PartitionedFormattingContext(positions, currentPosition, contentTypeDefinitionFactory);
}
private TypedPosition[] positions(final TypedPosition... positions) {
return positions;
}
private TypedPosition position(final int offset, final int length, final String type) {
return new TypedPosition(offset, length, type);
}
}