org.apache.james.utils.FileConfigurationProviderTest.java Source code

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Here is the source code for org.apache.james.utils.FileConfigurationProviderTest.java

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package org.apache.james.utils;

import static org.assertj.core.api.Assertions.assertThat;

import org.apache.commons.cli.MissingArgumentException;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.HierarchicalConfiguration;
import org.apache.james.core.JamesServerResourceLoader;
import org.apache.james.core.filesystem.FileSystemImpl;
import org.apache.james.filesystem.api.FileSystem;
import org.junit.Before;
import org.junit.Test;

public class FileConfigurationProviderTest {

    private static final String CONFIG_KEY_1 = "test2";
    private static final String CONFIG_KEY_2 = "property";
    private static final String CONFIG_KEY_4 = "james";
    private static final String CONFIG_KEY_5 = "internal";
    private static final String VALUE_1 = "0";
    private static final String VALUE_2 = "awesome";
    private static final String VALUE_3 = "james";
    private static final String FAKE_CONFIG_KEY = "fake";
    private static final String ROOT_CONFIG_KEY = "test";
    private static final String CONFIG_SEPARATOR = ".";

    private FileConfigurationProvider configurationProvider;

    @Before
    public void setUp() throws MissingArgumentException {
        FileSystemImpl fileSystem = new FileSystemImpl(new JamesServerResourceLoader("../"));
        configurationProvider = new FileConfigurationProvider(fileSystem, FileSystem.CLASSPATH_PROTOCOL);
    }

    @Test(expected = IllegalArgumentException.class)
    public void emptyArgumentShouldThrow() throws Exception {
        configurationProvider.getConfiguration("");
    }

    @Test(expected = NullPointerException.class)
    public void nullArgumentShouldThrow() throws Exception {
        configurationProvider.getConfiguration(null);
    }

    @Test(expected = IllegalArgumentException.class)
    public void configSeparatorArgumentShouldThrow() throws Exception {
        configurationProvider.getConfiguration(CONFIG_SEPARATOR);
    }

    @Test(expected = IllegalArgumentException.class)
    public void emptyFileNameShouldThrow() throws Exception {
        configurationProvider.getConfiguration(CONFIG_SEPARATOR + ROOT_CONFIG_KEY);
    }

    @Test
    public void getConfigurationShouldLoadCorrespondingXMLFile() throws Exception {
        HierarchicalConfiguration hierarchicalConfiguration = configurationProvider
                .getConfiguration(ROOT_CONFIG_KEY);
        assertThat(hierarchicalConfiguration.getKeys()).containsOnly(CONFIG_KEY_1,
                String.join(CONFIG_SEPARATOR, CONFIG_KEY_4, CONFIG_KEY_2),
                String.join(CONFIG_SEPARATOR, CONFIG_KEY_4, CONFIG_KEY_5, CONFIG_KEY_2));
        assertThat(hierarchicalConfiguration.getProperty(CONFIG_KEY_1)).isEqualTo(VALUE_1);
    }

    @Test
    public void getConfigurationShouldLoadCorrespondingXMLFilePart() throws Exception {
        HierarchicalConfiguration hierarchicalConfiguration = configurationProvider
                .getConfiguration(String.join(CONFIG_SEPARATOR, ROOT_CONFIG_KEY, CONFIG_KEY_4));
        assertThat(hierarchicalConfiguration.getKeys()).containsOnly(CONFIG_KEY_2,
                String.join(CONFIG_SEPARATOR, CONFIG_KEY_5, CONFIG_KEY_2));
        assertThat(hierarchicalConfiguration.getProperty(CONFIG_KEY_2)).isEqualTo(VALUE_2);
    }

    @Test
    public void getConfigurationShouldLoadCorrespondingXMLFileWhenAPathIsProvidedPart() throws Exception {
        HierarchicalConfiguration hierarchicalConfiguration = configurationProvider
                .getConfiguration(String.join(CONFIG_SEPARATOR, ROOT_CONFIG_KEY, CONFIG_KEY_4, CONFIG_KEY_5));
        assertThat(hierarchicalConfiguration.getKeys()).containsOnly(CONFIG_KEY_2);
        assertThat(hierarchicalConfiguration.getProperty(CONFIG_KEY_2)).isEqualTo(VALUE_3);
    }

    @Test
    public void multiplesSeparatorsShouldBeTolerated() throws Exception {
        HierarchicalConfiguration hierarchicalConfiguration = configurationProvider
                .getConfiguration(ROOT_CONFIG_KEY + CONFIG_SEPARATOR + CONFIG_SEPARATOR + CONFIG_KEY_4);
        assertThat(hierarchicalConfiguration.getKeys()).containsOnly(CONFIG_KEY_2,
                String.join(CONFIG_SEPARATOR, CONFIG_KEY_5, CONFIG_KEY_2));
        assertThat(hierarchicalConfiguration.getProperty(CONFIG_KEY_2)).isEqualTo(VALUE_2);
    }

    @Test(expected = ConfigurationException.class)
    public void getConfigurationShouldThrowOnNonExistingXMLFile() throws Exception {
        assertThat(configurationProvider.getConfiguration(FAKE_CONFIG_KEY)).isNotNull();
    }

    @Test(expected = IllegalArgumentException.class)
    public void getConfigurationShouldThrowOnNonExistingXMLFilePart() throws Exception {
        configurationProvider.getConfiguration(String.join(CONFIG_SEPARATOR, ROOT_CONFIG_KEY, FAKE_CONFIG_KEY));
    }

}