/*
 *  Copyright 2017 TWO SIGMA OPEN SOURCE, LLC
 *
 *  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.twosigma.beaker.chart.treemap.util;

import com.twosigma.beaker.KernelTest;
import com.twosigma.beaker.chart.Color;
import com.twosigma.beaker.chart.treemap.TreeMap;
import com.twosigma.beaker.jupyter.KernelManager;
import net.sf.jtreemap.swing.DefaultValue;
import net.sf.jtreemap.swing.TreeMapNode;
import org.assertj.core.api.Assertions;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

public class GradientColorProviderTest {

  TreeMap treeMap;
  TreeMapNode node01;

  @Before
  public void initStubData() {
    KernelManager.register(new KernelTest());
    treeMap = new TreeMap();
    treeMap.setRoot(new TreeMapNode("020", 2, new DefaultValue(2)));
    node01 = new TreeMapNode("010", 1, new DefaultValue(1));
  }

  @After
  public void tearDown() throws Exception {
    KernelManager.register(null);
  }

  @Test
  public void createProviderWithTreeMapParam_getColorWithNodeReturnBeakerColorWithRGB() {
    //when
    GradientColorProvider gradientColorProvider = new GradientColorProvider(treeMap);
    //then
    Assertions.assertThat(gradientColorProvider.getColor(treeMap.getRoot()).getRGB()).isNotZero();
    Assertions.assertThat(gradientColorProvider.getColor(node01).getRGB()).isNotZero();
  }

  @Test
  public void createProviderWithTreeMapParam_getValueWithNodeReturnDoubleIsNotZero() {
    //when
    GradientColorProvider gradientColorProvider = new GradientColorProvider(treeMap);
    //then
    Assertions.assertThat(gradientColorProvider.getValue(treeMap.getRoot())).isNotZero();
    Assertions.assertThat(gradientColorProvider.getValue(node01)).isNotZero();
  }

  @Test
  public void
      createProviderWithTreeMapAndTwoColorsParams_getColorWithNodeReturnBeakerColorWithRGB() {
    //when
    GradientColorProvider gradientColorProvider =
        new GradientColorProvider(treeMap, Color.BLUE, Color.GREEN);
    //then
    Assertions.assertThat(gradientColorProvider.getColor(treeMap.getRoot()).getRGB()).isNotZero();
    Assertions.assertThat(gradientColorProvider.getColor(node01).getRGB()).isNotZero();
  }
}