when(project.getFile()).thenReturn(new File(basedir, "pom.xml"));
        when(project.getBasedir()).thenReturn(basedir);

        MavenSession session = mock(MavenSession.class);
        when(session.getTopLevelProject()).thenReturn(project);
        when(event.getSession()).thenReturn(session);
        when(session.getTopDirectory()).thenReturn(basedir.toPath());

        // execute

      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-surefire-plugin</artifactId>
        <configuration>
          <systemPropertyVariables>
            <basedir>${basedir}</basedir>
          </systemPropertyVariables>
        </configuration>
        <executions>
          <execution>
            <id>test</id>
            <goals>
              <goal>test</goal>

    private RemoteRepository repository;

    private File basedir;

    public TestRepositoryConnector(RemoteRepository repository) {
        this.repository = repository;
        String repositoryUrl = repository.getUrl();
        if (repositoryUrl.contains("${")) {
            // the repository url contains unresolved properties and getting the basedir is not possible

        interpolator.interpolateModel(model, null, request, collector);

        assertCollectorState(0, 1, 0, collector);
        assertEquals(
                "Resolving expression: '${basedir}': Detected the following recursive expression cycle in 'basedir': [basedir]",
                collector.getErrors().get(0));
    }

    protected abstract ModelInterpolator createInterpolator() throws Exception;

<?xml version="1.0" encoding="UTF-8"?>
<project name="dbflute" basedir=".">
	<property name="mydbflute.dir" value="${basedir}/mydbflute" />
	<property name="target.dir" value="${basedir}/target" />
	<property name="branch.name" value="fess-15.4" />
	<property name="mydbflute.url" value="https://github.com/lastaflute/lastaflute-example-waterfront/archive/${branch.name}.zip" />

	<target name="mydbflute.check">
		<condition property="mydbflute.exists">

            logger.info("Created thumbnail directory: {}", baseDir.getAbsolutePath());
        }
        if (!baseDir.isDirectory()) {
            throw new FessSystemException("Not found: " + baseDir.getAbsolutePath());
        }

        if (logger.isDebugEnabled()) {
            logger.debug("Thumbnail Directory: {}", baseDir.getAbsolutePath());
        }

        this.layout = layout;
        this.snapshots = snapshots;
        this.releases = releases;
        //
        // Derive these from the URL
        //
        this.protocol = protocol(url);
        this.basedir = basedir(url);
    }

    public MavenArtifactRepository(
            String id,
            Path path,
            ArtifactRepositoryLayout layout,
            ArtifactRepositoryPolicy snapshots,

      <plugin>
        <groupId>org.codehaus.modello</groupId>
        <artifactId>modello-maven-plugin</artifactId>
        <configuration>
          <version>4.2.0</version>
          <velocityBasedir>${project.basedir}/../../src/mdo</velocityBasedir>
          <models>
            <model>src/main/mdo/maven.mdo</model>
          </models>
          <templates>
            <template>model.vm</template>
          </templates>

		<Property name="log.file.basedir" value="${sys:fess.log.path:-target/logs}" />
		<Property name="backup.date.suffix" value="_%d{yyyyMMdd}" />
		<Property name="backup.max.history" value="10" />
	</Properties>

	<Appenders>
		<RollingFile name="AppFile" fileName="${log.file.basedir}/${domain.name}.log"
			filePattern="${log.file.basedir}/${domain.name}${backup.date.suffix}-%i.log.gz">

		<Property name="log.file.basedir" value="${sys:fess.log.path:-target/logs}" />
		<Property name="backup.date.suffix" value="_%d{yyyyMMdd}" />
		<Property name="backup.max.history" value="10" />
	</Properties>

	<Appenders>
		<RollingFile name="AppFile" fileName="${log.file.basedir}/${domain.name}.log"
			filePattern="${log.file.basedir}/${domain.name}${backup.date.suffix}-%i.log.gz">