TestHelper.java

package ru.yandex.qatools.allure;

import org.apache.commons.io.filefilter.WildcardFileFilter;
import org.hamcrest.Description;
import org.hamcrest.TypeSafeMatcher;

import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.List;

import static org.hamcrest.Matchers.hasSize;
import static org.junit.Assert.assertThat;
import static ru.yandex.qatools.allure.TestHelper.DirectoryMatcher.isDirectory;
import static ru.yandex.qatools.allure.TestHelper.ExistsMatcher.exists;

/**
 * @author Dmitry Baev charlie@yandex-team.ru
 *         Date: 05.08.15
 */
@SuppressWarnings("unused")
public final class TestHelper {

    public static final List<String> FILE_NAMES = Arrays.asList(
            "xunit.json", "behaviors.json", "defects.json",
            "environment.json", "graph.json", "plugins.json",
            "report.json", "timeline.json", "widgets.json"
    );

    TestHelper() {
    }

    public static void checkReportDirectory(Path outputDirectory, int testCasesCount) {
        Path index = outputDirectory.resolve("index.html");
        assertThat(index, exists());

        Path dataDirectory = outputDirectory.resolve("data");

        assertThat(dataDirectory, isDirectory());

        for (String fileName : FILE_NAMES) {
            assertThat(dataDirectory.resolve(fileName), exists());
        }

        assertThat("There is not enough test case files in " + dataDirectory + " directory.",
                getTestCasesCount(dataDirectory), hasSize(testCasesCount));
    }

    public static List<String> getTestCasesCount(Path dataDirectory) {
        return Arrays.asList(dataDirectory.toFile().list(new WildcardFileFilter("*-testcase.json")));
    }

    public static class ExistsMatcher extends TypeSafeMatcher<Path> {

        @Override
        protected boolean matchesSafely(Path item) {
            return Files.exists(item);
        }

        @Override
        public void describeTo(Description description) {
            description.appendText("should exists");
        }

        public static ExistsMatcher exists() {
            return new ExistsMatcher();
        }
    }

    public static class DirectoryMatcher extends TypeSafeMatcher<Path> {

        @Override
        protected boolean matchesSafely(Path item) {
            return Files.isDirectory(item);
        }

        @Override
        public void describeTo(Description description) {
            description.appendText("should be a directory");
        }

        public static DirectoryMatcher isDirectory() {
            return new DirectoryMatcher();
        }
    }
}