package com.github.scribejava.core.model;

import org.junit.Assert;

import org.junit.Before;

import org.junit.Test;

import static org.junit.Assert.assertNotSame;

public class ParameterListTest {

private ParameterList params;

@Before

public void setUp() {

this.params = new ParameterList();

}

@Test(expected = IllegalArgumentException.class)

public void shouldThrowExceptionWhenAppendingNullMapToQuerystring() {

params.appendTo(null);

}

@Test

public void shouldAppendNothingToQuerystringIfGivenEmptyMap() {

final String url = "http://www.example.com";

Assert.assertEquals(url, params.appendTo(url));

}

@Test

public void shouldAppendParametersToSimpleUrl() {

String url = "http://www.example.com";

final String expectedUrl = "http://www.example.com?param1=value1&param2=value%20with%20spaces";

params.add("param1", "value1");

params.add("param2", "value with spaces");

url = params.appendTo(url);

Assert.assertEquals(expectedUrl, url);

}

@Test

public void shouldAppendParametersToUrlWithQuerystring() {

String url = "http://www.example.com?already=present";

final String expectedUrl = "http://www.example.com?already=present&param1=value1&param2=value%20with%20spaces";

params.add("param1", "value1");

params.add("param2", "value with spaces");

url = params.appendTo(url);

Assert.assertEquals(expectedUrl, url);

}

@Test

public void shouldProperlySortParameters() {

params.add("param1", "v1");

params.add("param6", "v2");

params.add("a_param", "v3");

params.add("param2", "v4");

Assert.assertEquals("a_param=v3&param1=v1&param2=v4&param6=v2", params.sort().asFormUrlEncodedString());

}

@Test

public void shouldProperlySortParametersWithTheSameName() {

params.add("param1", "v1");

params.add("param6", "v2");

params.add("a_param", "v3");

params.add("param1", "v4");

Assert.assertEquals("a_param=v3&param1=v1&param1=v4&param6=v2", params.sort().asFormUrlEncodedString());

}

@Test

public void shouldNotModifyTheOriginalParameterList() {

params.add("param1", "v1");

params.add("param6", "v2");

assertNotSame(params, params.sort());

}

}