Artifact artifact = artifactFactory.createBuildArtifact("test", "test", version, type);
        artifact.setFile(new File(
                testData,
                "test-" + version + "." + artifact.getArtifactHandler().getExtension()));
        assertFalse(artifact.getFile().exists());
        return artifact;
    }

    private ArtifactRepository createStringRepo() {
        return artifactRepositoryFactory.createArtifactRepository(

    }

    private static String getId(Artifact artifact) {
        return getId(
                artifact.getGroupId(),
                artifact.getArtifactId(),
                artifact.getExtension(),
                artifact.getClassifier(),
                artifact.getBaseVersion());
    }

    private static String getId(ClassRealmConstituent constituent) {
        return getId(

        <codeSegment>
          <version>1.0.0/1.1.0</version>
          <code><![CDATA[
    private String getSnapshotVersionKey( SnapshotVersion sv )
    {
        return sv.getClassifier() + ":" + sv.getExtension();
    }

    public boolean merge( Metadata sourceMetadata )
    {
        boolean changed = false;

        for ( Plugin plugin : sourceMetadata.getPlugins() )
        {
            boolean found = false;

        public String getVersion() {
            return version;
        }

        public void setVersion(String version) {
            this.version = version;
        }

        public String getExtension() {
            return extension;
        }

        public void setExtension(String extension) {
            this.extension = extension;
        }

        public String getClassifier() {

        }
    }

    /**
     * パスの拡張子を返します。
     *
     * @param path
     *            パス。{@literal null}であってはいけません
     * @return 拡張子
     */
    public static String getExtension(final String path) {
        assertArgumentNotNull("path", path);

        final int extPos = path.lastIndexOf(".");
        if (extPos >= 0) {
            return path.substring(extPos + 1);
        }