/*
 * Copyright 2016 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.template.soy.soytree;

import static com.google.common.truth.Truth.assertThat;

import com.google.common.base.Joiner;
import com.google.template.soy.testing.SoyFileSetParserBuilder;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

@RunWith(JUnit4.class)
public final class HtmlOpenTagNodeTest {

  @Test
  public void testTag() {
    HtmlOpenTagNode openTag = parseTag("<div>");
    assertThat(openTag.toSourceString()).isEqualTo("<div>");
    assertThat(openTag.isSelfClosing()).isFalse();

    openTag = parseTag("<div class=\"foo\">");
    assertThat(openTag.toSourceString()).isEqualTo("<div class=\"foo\">");
    assertThat(openTag.isSelfClosing()).isFalse();
    assertThat(openTag.getTagName().getNode()).isInstanceOf(RawTextNode.class);
    assertThat(openTag.getTagName().getNode()).isSameInstanceAs(openTag.getChild(0));
    assertThat(openTag.numChildren()).isEqualTo(2);
  }

  @Test
  public void testToSourceString_preserveCasing() {
    HtmlOpenTagNode openTag = parseTag("<DiV>");
    assertThat(openTag.toSourceString()).isEqualTo("<DiV>");
    assertThat(openTag.isSelfClosing()).isFalse();
    assertThat(openTag.getTagName().getStaticTagNameAsLowerCase()).isEqualTo("div");
  }

  @Test
  public void testToSourceString_selfClosing() {
    HtmlOpenTagNode openTag = parseTag("<input />");
    assertThat(openTag.toSourceString()).isEqualTo("<input/>");
    assertThat(openTag.isSelfClosing()).isTrue();
  }

  private static HtmlOpenTagNode parseTag(String input) {
    String soyFile =
        Joiner.on('\n')
            .join("{namespace ns}", "{template t stricthtml=\"false\"}", input, "{/template}");
    SoyFileNode node =
        SoyFileSetParserBuilder.forFileContents(soyFile)
            .desugarHtmlNodes(false)
            .parse()
            .fileSet()
            .getChild(0);
    return (HtmlOpenTagNode) ((TemplateNode) node.getChild(0)).getChild(0);
  }
}
