package com.github.scribejava.core.utils;

import static org.junit.Assert.assertEquals;

import static org.junit.Assert.assertThrows;

import org.junit.Test;

import org.junit.function.ThrowingRunnable;

public class OAuthEncoderTest {

@Test

public void shouldPercentEncodeString() {

final String plain = "this is a test &^";

final String encoded = "this%20is%20a%20test%20%26%5E";

assertEquals(encoded, OAuthEncoder.encode(plain));

}

@Test

public void shouldFormURLDecodeString() {

final String encoded = "this+is+a+test+%26%5E";

final String plain = "this is a test &^";

assertEquals(plain, OAuthEncoder.decode(encoded));

}

@Test

public void shouldPercentEncodeAllSpecialCharacters() {

final String plain = "!*'();:@&=+$,/?#[]";

final String encoded = "%21%2A%27%28%29%3B%3A%40%26%3D%2B%24%2C%2F%3F%23%5B%5D";

assertEquals(encoded, OAuthEncoder.encode(plain));

assertEquals(plain, OAuthEncoder.decode(encoded));

}

@Test

public void shouldNotPercentEncodeReservedCharacters() {

final String plain = "abcde123456-._~";

final String encoded = plain;

assertEquals(encoded, OAuthEncoder.encode(plain));

}

public void shouldThrowExceptionIfStringToEncodeIsNull() {

assertThrows(IllegalArgumentException.class, new ThrowingRunnable() {

@Override

public void run() throws Throwable {

OAuthEncoder.encode(null);

}

});

}

public void shouldThrowExceptionIfStringToDecodeIsNull() {

assertThrows(IllegalArgumentException.class, new ThrowingRunnable() {

@Override

public void run() throws Throwable {

OAuthEncoder.decode(null);

}

});

}

@Test

public void shouldPercentEncodeCorrectlyTwitterCodingExamples() {

// These tests are part of the Twitter dev examples here

// -> https://dev.twitter.com/docs/auth/percent-encoding-parameters

final String[] sources = {"Ladies + Gentlemen", "An encoded string!", "Dogs, Cats & Mice"};

final String[] encoded = {"Ladies%20%2B%20Gentlemen", "An%20encoded%20string%21",

"Dogs%2C%20Cats%20%26%20Mice"};

for (int i = 0; i < sources.length; i++) {

assertEquals(encoded[i], OAuthEncoder.encode(sources[i]));

}

}

}