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/*
* 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
* "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 org.apache.guacamole.protocol;
import org.junit.Assert;
import org.junit.Test;
/**
* Unit test for GuacamoleProtocolVersion. Verifies that Guacamole protocol
* version string parsing works as required.
*/
public class GuacamoleProtocolVersionTest {
/**
* Verifies that valid version strings are parsed successfully.
*/
@Test
public void testValidVersionParse() {
GuacamoleProtocolVersion version = GuacamoleProtocolVersion.parseVersion("VERSION_012_102_398");
Assert.assertNotNull(version);
Assert.assertEquals(12, version.getMajor());
Assert.assertEquals(102, version.getMinor());
Assert.assertEquals(398, version.getPatch());
}
/**
* Verifies that invalid version strings fail to parse.
*/
@Test
public void testInvalidVersionParse() {
Assert.assertNull(GuacamoleProtocolVersion.parseVersion("potato"));
Assert.assertNull(GuacamoleProtocolVersion.parseVersion("VERSION_"));
Assert.assertNull(GuacamoleProtocolVersion.parseVersion("VERSION___"));
Assert.assertNull(GuacamoleProtocolVersion.parseVersion("VERSION__2_3"));
Assert.assertNull(GuacamoleProtocolVersion.parseVersion("VERSION_1__3"));
Assert.assertNull(GuacamoleProtocolVersion.parseVersion("VERSION_1_2_"));
Assert.assertNull(GuacamoleProtocolVersion.parseVersion("VERSION_A_2_3"));
Assert.assertNull(GuacamoleProtocolVersion.parseVersion("VERSION_1_B_3"));
Assert.assertNull(GuacamoleProtocolVersion.parseVersion("VERSION_1_2_C"));
Assert.assertNull(GuacamoleProtocolVersion.parseVersion("_1_2_3"));
Assert.assertNull(GuacamoleProtocolVersion.parseVersion("version_1_2_3"));
}
/**
* Verifies that the atLeast() function defined by GuacamoleProtocolVersion
* behaves as required for a series of three versions which are in strictly
* increasing order (a < b < c).
*
* @param a
* The String representation of the version which is known to be the
* smaller than versions b and c.
*
* @param b
* The String representation of the version which is known to be
* larger than version a but smaller than version c.
*
* @param c
* The String representation of the version which is known to be the
* larger than versions a and b.
*/
private void testVersionCompare(String a, String b, String c) {
GuacamoleProtocolVersion verA = GuacamoleProtocolVersion.parseVersion(a);
GuacamoleProtocolVersion verB = GuacamoleProtocolVersion.parseVersion(b);
GuacamoleProtocolVersion verC = GuacamoleProtocolVersion.parseVersion(c);
Assert.assertTrue(verC.atLeast(verB));
Assert.assertTrue(verC.atLeast(verA));
Assert.assertTrue(verB.atLeast(verA));
Assert.assertFalse(verB.atLeast(verC));
Assert.assertFalse(verA.atLeast(verC));
Assert.assertFalse(verA.atLeast(verB));
Assert.assertTrue(verA.atLeast(verA));
Assert.assertTrue(verB.atLeast(verB));
Assert.assertTrue(verC.atLeast(verC));
}
/**
* Verifies that version order comparisons using atLeast() behave as
* required.
*/
@Test
public void testVersionCompare() {
testVersionCompare("VERSION_0_0_1", "VERSION_0_0_2", "VERSION_0_0_3");
testVersionCompare("VERSION_0_1_0", "VERSION_0_2_0", "VERSION_0_3_0");
testVersionCompare("VERSION_1_0_0", "VERSION_2_0_0", "VERSION_3_0_0");
testVersionCompare("VERSION_1_2_3", "VERSION_1_3_3", "VERSION_2_0_0");
}
/**
* Verifies that versions can be tested for equality using equals().
*/
@Test
public void testVersionEquals() {
GuacamoleProtocolVersion version;
version = GuacamoleProtocolVersion.parseVersion("VERSION_012_102_398");
Assert.assertTrue(version.equals(version));
Assert.assertTrue(version.equals(new GuacamoleProtocolVersion(12, 102, 398)));
Assert.assertFalse(version.equals(new GuacamoleProtocolVersion(12, 102, 399)));
Assert.assertFalse(version.equals(new GuacamoleProtocolVersion(12, 103, 398)));
Assert.assertFalse(version.equals(new GuacamoleProtocolVersion(11, 102, 398)));
version = GuacamoleProtocolVersion.parseVersion("VERSION_1_0_0");
Assert.assertTrue(version.equals(GuacamoleProtocolVersion.VERSION_1_0_0));
Assert.assertFalse(version.equals(GuacamoleProtocolVersion.VERSION_1_1_0));
version = GuacamoleProtocolVersion.parseVersion("VERSION_1_1_0");
Assert.assertTrue(version.equals(GuacamoleProtocolVersion.VERSION_1_1_0));
Assert.assertFalse(version.equals(GuacamoleProtocolVersion.VERSION_1_0_0));
}
}