dreis2211
5 years ago
committed by
Stephane Nicoll
parent
3bf5cf1124
commit
2038fac825
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/*
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* Copyright 2012-2017 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.testsupport.assertj;
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import org.assertj.core.api.Condition;
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import org.hamcrest.Matcher;
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import org.hamcrest.StringDescription;
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import org.springframework.util.Assert;
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/**
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* Adapter class allowing a Hamcrest {@link Matcher} to be used as an AssertJ
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* {@link Condition}.
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*
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* @param <T> the type of object that the condition accepts
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* @author Phillip Webb
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* @since 2.0.0
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*/
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public final class Matched<T> extends Condition<T> {
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private final Matcher<? extends T> matcher;
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private Matched(Matcher<? extends T> matcher) {
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Assert.notNull(matcher, "Matcher must not be null");
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this.matcher = matcher;
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}
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@Override
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public boolean matches(T value) {
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if (this.matcher.matches(value)) {
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return true;
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}
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StringDescription description = new StringDescription();
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this.matcher.describeTo(description);
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describedAs(description.toString());
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return false;
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}
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public static <T> Condition<T> when(Matcher<? extends T> matcher) {
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return by(matcher);
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}
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public static <T> Condition<T> by(Matcher<? extends T> matcher) {
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return new Matched<>(matcher);
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}
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}
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@ -1,20 +0,0 @@
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/*
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* Copyright 2012-2017 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Utilities and helpers for AssertJ.
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*/
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package org.springframework.boot.testsupport.assertj;
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@ -1,56 +0,0 @@
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/*
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* Copyright 2012-2019 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.testsupport.assertj;
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import org.junit.jupiter.api.Test;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
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import static org.hamcrest.Matchers.startsWith;
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/**
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* Tests for {@link Matched}.
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*
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* @author Phillip Webb
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*/
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class MatchedTests {
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@Test
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void byMatcherMatches() {
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assertThat("1234").is(Matched.by(startsWith("12")));
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}
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@Test
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void byMatcherDoesNotMatch() {
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assertThatExceptionOfType(AssertionError.class)
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.isThrownBy(() -> assertThat("1234").is(Matched.by(startsWith("23"))))
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.withMessageContaining("a string starting with \"23\"");
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}
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@Test
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void whenMatcherMatches() {
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assertThat("1234").is(Matched.when(startsWith("12")));
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}
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@Test
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void whenMatcherDoesNotMatch() {
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assertThatExceptionOfType(AssertionError.class)
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.isThrownBy(() -> assertThat("1234").is(Matched.when(startsWith("23"))))
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.withMessageContaining("a string starting with \"23\"");
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}
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}
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