InstanceProviderTest.java

// Copyright (c) 2015 Uber
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// of this software and associated documentation files (the "Software"), to deal
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// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
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//
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// SOFTWARE.

package com.uber.jenkins.phabricator.provider;

import com.uber.jenkins.phabricator.unit.UnitTestProvider;
import com.uber.jenkins.phabricator.utils.TestUtils;
import org.junit.Rule;
import org.junit.Test;
import org.jvnet.hudson.test.JenkinsRule;

import static org.junit.Assert.assertNull;

public class InstanceProviderTest {
    @Rule
    public JenkinsRule j = new JenkinsRule();

    @Test
    public void testUnavailablePlugin() {
        InstanceProvider<UnitTestProvider> provider = makeProvider("weird-plugin-name", "anything");
        assertNull(provider.getInstance());
    }

    @Test
    public void testUnavailablePluginValidClass() {
        InstanceProvider<UnitTestProvider> provider = makeProvider("weird-plugin-name", "com.uber.jenkins.phabricator.unit.JUnitTestProvider");
        assertNull(provider.getInstance());
    }

    @Test
    public void testBadClassName() {
        InstanceProvider<UnitTestProvider> provider = makeProvider("junit", "com.nonexistent.class");
        assertNull(provider.getInstance());
    }

    private InstanceProvider<UnitTestProvider> makeProvider(String pluginName, String className) {
        return new InstanceProvider<UnitTestProvider>(
                j.getInstance(),
                pluginName,
                className,
                TestUtils.getDefaultLogger()
        );
    }
}