/*
* Copyright 2009 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.safehtml.rebind;
import com.google.gwt.safehtml.rebind.ParsedHtmlTemplate.HtmlContext;
import com.google.gwt.safehtml.rebind.ParsedHtmlTemplate.LiteralChunk;
import com.google.gwt.safehtml.rebind.ParsedHtmlTemplate.ParameterChunk;
import com.google.gwt.safehtml.rebind.ParsedHtmlTemplate.TemplateChunk;
import junit.framework.TestCase;
import java.util.Iterator;
import java.util.List;
/**
* Tests for {@link ParsedHtmlTemplate}.
*
*/
public final class ParsedHtmlTemplateTest extends TestCase {
public void testAddLiteral() {
ParsedHtmlTemplate parsed = new ParsedHtmlTemplate();
parsed.addLiteral("<foo>");
List<TemplateChunk> chunks = parsed.getChunks();
LiteralChunk chunk = (LiteralChunk) chunks.get(0);
assertEquals(TemplateChunk.Kind.LITERAL, chunk.getKind());
assertEquals("<foo>", chunk.getLiteral());
assertEquals("L(<foo>)", chunk.toString());
assertEquals("[L(<foo>)]", parsed.toString());
}
public void testAddParameter() {
ParsedHtmlTemplate parsed = new ParsedHtmlTemplate();
parsed.addParameter(new ParameterChunk(new HtmlContext(
HtmlContext.Type.TEXT), 0));
List<TemplateChunk> chunks = parsed.getChunks();
ParameterChunk chunk = (ParameterChunk) chunks.get(0);
assertEquals(TemplateChunk.Kind.PARAMETER, chunk.getKind());
assertEquals(HtmlContext.Type.TEXT, chunk.getContext().getType());
assertNull(chunk.getContext().getTag());
assertNull(chunk.getContext().getAttribute());
assertEquals(0, chunk.getParameterIndex());
assertEquals("P((TEXT,null,null),0)", chunk.toString());
assertEquals("[P((TEXT,null,null),0)]", parsed.toString());
}
/**
* Tests that calling addLiteral(), addParameter(), addLiteral() in sequence
* results in the expected ParsedHtmlTemplate.
*/
public void testAddLiteralAddParameterSequence() {
ParsedHtmlTemplate parsed = new ParsedHtmlTemplate();
parsed.addLiteral("<foo>");
parsed.addParameter(new ParameterChunk(new HtmlContext(
HtmlContext.Type.TEXT), 0));
parsed.addLiteral("</foo>");
List<TemplateChunk> chunks = parsed.getChunks();
assertEquals(3, chunks.size());
Iterator<TemplateChunk> it = chunks.iterator();
LiteralChunk litChunk;
ParameterChunk paramChunk;
litChunk = (LiteralChunk) it.next();
assertEquals(TemplateChunk.Kind.LITERAL, litChunk.getKind());
assertEquals("<foo>", litChunk.getLiteral());
assertEquals("L(<foo>)", litChunk.toString());
paramChunk = (ParameterChunk) it.next();
assertEquals(TemplateChunk.Kind.PARAMETER, paramChunk.getKind());
assertEquals(HtmlContext.Type.TEXT, paramChunk.getContext().getType());
assertNull(paramChunk.getContext().getTag());
assertNull(paramChunk.getContext().getAttribute());
assertEquals(0, paramChunk.getParameterIndex());
assertEquals("P((TEXT,null,null),0)", paramChunk.toString());
litChunk = (LiteralChunk) it.next();
assertEquals(TemplateChunk.Kind.LITERAL, litChunk.getKind());
assertEquals("</foo>", litChunk.getLiteral());
assertEquals("L(</foo>)", litChunk.toString());
// Assert that the string representation of the parsed template has the
// expected format, to allow us to use the string representation in unit
// tests for the template parser.
assertEquals("[L(<foo>), P((TEXT,null,null),0), L(</foo>)]",
parsed.toString());
}
/**
* Tests that calling addParameter(), addLiteral(), addLiteral(),
* addParameter() in sequence results in the expected ParsedHtmlTemplate.
*
* <p>In particular, two calls to addLiteral() in sequence should result in
* only a single LiteralChunk.
*/
public void testAddParameterAddLiteralSequence() {
ParsedHtmlTemplate parsed = new ParsedHtmlTemplate();
parsed.addParameter(new ParameterChunk(new HtmlContext(
HtmlContext.Type.TEXT), 0));
parsed.addLiteral("<a");
parsed.addLiteral(" href=\"");
parsed.addParameter(new ParameterChunk(new HtmlContext(
HtmlContext.Type.URL_ATTRIBUTE_START, "a", "href"), 1));
List<TemplateChunk> chunks = parsed.getChunks();
assertEquals(3, chunks.size());
Iterator<TemplateChunk> it = chunks.iterator();
LiteralChunk litChunk;
ParameterChunk paramChunk;
paramChunk = (ParameterChunk) it.next();
assertEquals(TemplateChunk.Kind.PARAMETER, paramChunk.getKind());
assertEquals(HtmlContext.Type.TEXT, paramChunk.getContext().getType());
assertNull(paramChunk.getContext().getTag());
assertNull(paramChunk.getContext().getAttribute());
assertEquals(0, paramChunk.getParameterIndex());
assertEquals("P((TEXT,null,null),0)", paramChunk.toString());
litChunk = (LiteralChunk) it.next();
assertEquals(TemplateChunk.Kind.LITERAL, litChunk.getKind());
assertEquals("<a href=\"", litChunk.getLiteral());
assertEquals("L(<a href=\")", litChunk.toString());
paramChunk = (ParameterChunk) it.next();
assertEquals(TemplateChunk.Kind.PARAMETER, paramChunk.getKind());
assertEquals(
HtmlContext.Type.URL_ATTRIBUTE_START, paramChunk.getContext().getType());
assertEquals("a", paramChunk.getContext().getTag());
assertEquals("href", paramChunk.getContext().getAttribute());
assertEquals(1, paramChunk.getParameterIndex());
assertEquals("P((URL_ATTRIBUTE_START,a,href),1)", paramChunk.toString());
assertEquals(
"[P((TEXT,null,null),0), L(<a href=\"), "
+ "P((URL_ATTRIBUTE_START,a,href),1)]",
parsed.toString());
}
}