FeatureTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
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 * specific language governing permissions and limitations
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package org.apache.shindig.gadgets.spec;

import org.apache.shindig.common.xml.XmlUtil;

import org.junit.Assert;
import org.junit.Test;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.Multimap;

public class FeatureTest extends Assert {
  @Test
  public void testRequire() throws Exception {
    String xml = "<Require feature=\"foo\"/>";
    Feature feature = new Feature(XmlUtil.parse(xml));
    assertEquals("foo", feature.getName());
    assertTrue(feature.getRequired());
  }

  @Test
  public void testOptional() throws Exception {
    String xml = "<Optional feature=\"foo\"/>";
    Feature feature = new Feature(XmlUtil.parse(xml));
    assertEquals("foo", feature.getName());
    assertFalse(feature.getRequired());
  }

  @Test
  public void testParams() throws Exception {
    String key = "bar";
    String value = "Hello, World!";
    String xml = "<Require feature=\"foo\">" +
                 "  <Param name=\"" + key + "\">" + value + "</Param>" +
                 "</Require>";
    Feature feature = new Feature(XmlUtil.parse(xml));
    Multimap<String, String> params = feature.getParams();
    assertEquals(1, params.size());
    assertEquals(ImmutableList.of(value), params.get(key));
  }

  @Test
  public void testMultiParams() throws Exception {
    String key = "bar";
    String key2 = "bar2";
    String value = "Hello, World!";
    String value2 = "Goodbye, World!";
    // Verify that multiple parameters are supported, and are returned in-order
    String xml = "<Require feature=\"foo\">" +
                 "  <Param name=\"" + key + "\">" + value + "</Param>" +
                 "  <Param name=\"" + key + "\">" + value2 + "</Param>" +
                 "  <Param name=\"" + key2 + "\">" + value2 + "</Param>" +
                 "  <Param name=\"" + key2 + "\">" + value + "</Param>" +
                 "</Require>";
    Feature feature = new Feature(XmlUtil.parse(xml));
    Multimap<String, String> params = feature.getParams();
    assertEquals(2, params.keySet().size());
    assertEquals(ImmutableList.of(value, value2), params.get(key));
    assertEquals(value, feature.getParam(key));
    assertEquals(ImmutableList.of(value2, value), params.get(key2));
    assertEquals(value2, feature.getParam(key2));
    assertTrue(params.get("foobar").isEmpty());
    assertNull(feature.getParam("foobar"));
  }

  @Test(expected=SpecParserException.class)
  public void testDoesNotLikeUnnamedFeatures() throws Exception {
    String xml = "<Require/>";
    new Feature(XmlUtil.parse(xml));
  }

  @Test(expected=SpecParserException.class)
  public void testEnforceParamNames() throws Exception {
    String xml = "<Require feature=\"foo\"><Param>Test</Param></Require>";
    new Feature(XmlUtil.parse(xml));
  }
}