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Diffstat (limited to 'src/test/java/org/onap/dcae/TestingUtilities.java')
-rw-r--r-- | src/test/java/org/onap/dcae/TestingUtilities.java | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/test/java/org/onap/dcae/TestingUtilities.java b/src/test/java/org/onap/dcae/TestingUtilities.java new file mode 100644 index 00000000..0bbb6cc3 --- /dev/null +++ b/src/test/java/org/onap/dcae/TestingUtilities.java @@ -0,0 +1,94 @@ +/*- + * ============LICENSE_START======================================================= + * org.onap.dcaegen2.collectors.ves + * ================================================================================ + * Copyright (C) 2018 Nokia. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ +package org.onap.dcae; + +import static java.nio.file.Files.readAllBytes; +import static org.assertj.core.api.Assertions.assertThat; + +import com.google.gson.JsonObject; +import com.google.gson.JsonParser; +import io.vavr.control.Try; +import java.io.File; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import org.assertj.core.api.AbstractThrowableAssert; +import org.assertj.core.api.Java6Assertions; +import org.json.JSONObject; + +/** + * @author Pawel Szalapski (pawel.szalapski@nokia.com) + */ +public final class TestingUtilities { + + private TestingUtilities() { + // utility class, no objects allowed + } + + public static void assertJSONObjectsEqual(JSONObject o1, JSONObject o2) { + assertThat(o1.toString()).isEqualTo(o2.toString()); + } + + public static JSONObject readJSONFromFile(Path path) { + return rethrow(() -> new JSONObject(readFile(path))); + } + + public static String readFile(Path path) { + return rethrow(() -> new String(readAllBytes(path))); + } + + public static Path createTemporaryFile(String content) { + return rethrow(() -> { + File temp = File.createTempFile("ves-collector-tests-created-this-file", ".tmp"); + temp.deleteOnExit(); + Path filePath = Paths.get(temp.toString()); + Files.write(filePath, content.getBytes()); + return filePath; + }); + } + + /** + * Exception in test case usually means there is something wrong, it should never be catched, but rather thrown to + * be handled by JUnit framework. + */ + private static <T> T rethrow(CheckedSupplier<T> supplier) { + try { + return supplier.get(); + } catch (Exception e) { + throw new RuntimeException(); + } + } + + @FunctionalInterface + interface CheckedSupplier<T> { + + T get() throws Exception; + } + + + public static void assertFailureHasInfo(Try any, String... msgPart) { + Java6Assertions.assertThat(any.isFailure()).isTrue(); + AbstractThrowableAssert<?, ? extends Throwable> o = Java6Assertions.assertThat(any.getCause()) + .hasCauseInstanceOf(Exception.class); + for (String s : msgPart) { + o.hasStackTraceContaining(s); + } + } +} |