package de.retest.recheck.ignore;

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

import java.io.File;
import java.util.List;

import org.junit.jupiter.api.Test;

class SearchFilterFilesTest {

	@Test
	void getDefaultFilterFiles_should_get_all_filter_files_from_classpath() {
		final List<File> defaultFilterFiles = SearchFilterFiles.getDefaultFilterFiles();
		assertThat( defaultFilterFiles.stream().map( File::getName ) ).contains( "positioning.filter",
				"visibility.filter" );
	}
}

package de.retest.recheck.ignore;

import static de.retest.recheck.configuration.ProjectConfiguration.FILTER_FOLDER;
import static de.retest.recheck.configuration.ProjectConfiguration.RETEST_PROJECT_CONFIG_FOLDER;
import static de.retest.recheck.configuration.ProjectConfiguration.RETEST_PROJECT_ROOT;
import static de.retest.recheck.ignore.SearchFilterFiles.FILES_ENDING;
import static org.assertj.core.api.Assertions.assertThat;

import java.io.File;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;

import de.retest.recheck.util.junit.jupiter.SystemProperty;

class SearchFilterFilesTest {

	@Test
	void getDefaultFilterFiles_should_get_all_filter_files_from_classpath() {
		final List<File> defaultFilterFiles = SearchFilterFiles.getDefaultFilterFiles();
		assertThat( defaultFilterFiles.stream().map( File::getName ) ).contains( "positioning.filter",
				"visibility.filter" );
	}

	@Test
	@SystemProperty( key = RETEST_PROJECT_ROOT )
	void getProjectFilterFiles_should_only_get_filter_files( @TempDir final Path temp ) throws Exception {
		final Path configFolder = temp.resolve( RETEST_PROJECT_ROOT );
		Files.createDirectory( configFolder );
		final Path retestFolder = configFolder.resolve( RETEST_PROJECT_CONFIG_FOLDER );
		Files.createDirectory( retestFolder );
		final Path filterFolder = retestFolder.resolve( FILTER_FOLDER );
		Files.createDirectory( filterFolder );

		Files.createTempFile( filterFolder, "random", ".ignore" ).toFile();
		final File colorFilter = Files.createTempFile( filterFolder, "color", FILES_ENDING ).toFile();
		final File webFontFilter = Files.createTempFile( filterFolder, "web-font", FILES_ENDING ).toFile();
		System.setProperty( RETEST_PROJECT_ROOT, filterFolder.toString() );

		final List<File> projectFilterFiles = SearchFilterFiles.getProjectFilterFiles();
		assertThat( projectFilterFiles ).allMatch( file -> file.toString().endsWith( FILES_ENDING ) );
		assertThat( projectFilterFiles.stream().map( File::getName ) ).contains( colorFilter.getName().toString(),
				webFontFilter.getName().toString() );
	}
}

Test the behavior of the method
Test the behavior of the method
