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Mock: manage headers using RequestHeaders (#706)
* feat(feign-mock): add RequestHeaders class to manage headers * feat(feign-mock): use google code style formatting * feat(feign-mock): remove system.out * feat(RequestKey): add deprecated headers builder + format code * feat(feign-mock): format pom correctly * feat(feign-mock): format pom correctly * fix(feign-mock): undo some typo and no-op change
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| /** | ||
| * Copyright 2012-2018 The Feign Authors | ||
| * | ||
| * <p>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 | ||
| * | ||
| * <p>http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * <p>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. | ||
| */ | ||
| package feign.mock; | ||
|
|
||
| import java.util.ArrayList; | ||
| import java.util.Arrays; | ||
| import java.util.Collection; | ||
| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
|
|
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| public class RequestHeaders { | ||
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| public static class Builder { | ||
|
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| private Map<String, Collection<String>> headers = new HashMap<String, Collection<String>>(); | ||
|
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| private Builder() {} | ||
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| public Builder add(String key, Collection<String> values) { | ||
| if (!headers.containsKey(key)) { | ||
| headers.put(key, values); | ||
| } else { | ||
| Collection<String> previousValues = headers.get(key); | ||
| previousValues.addAll(values); | ||
| headers.put(key, previousValues); | ||
| } | ||
| return this; | ||
| } | ||
|
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| public Builder add(String key, String value) { | ||
| if (!headers.containsKey(key)) { | ||
| headers.put(key, new ArrayList<String>(Arrays.asList(value))); | ||
| } else { | ||
| final Collection<String> values = headers.get(key); | ||
| values.add(value); | ||
| headers.put(key, values); | ||
| } | ||
| return this; | ||
| } | ||
|
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| public RequestHeaders build() { | ||
| return new RequestHeaders(this); | ||
| } | ||
| } | ||
|
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| public static final Map<String, Collection<String>> EMPTY = Collections.emptyMap(); | ||
|
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| public static Builder builder() { | ||
| return new Builder(); | ||
| } | ||
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| public static RequestHeaders of(Map<String, Collection<String>> headers) { | ||
| return new RequestHeaders(headers); | ||
| } | ||
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| private Map<String, Collection<String>> headers; | ||
|
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| private RequestHeaders(Builder builder) { | ||
| this.headers = builder.headers; | ||
| } | ||
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| private RequestHeaders(Map<String, Collection<String>> headers) { | ||
| this.headers = headers; | ||
| } | ||
|
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| public int size() { | ||
| return headers.size(); | ||
| } | ||
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| public int sizeOf(String key) { | ||
| if (!headers.containsKey(key)) { | ||
| return 0; | ||
| } | ||
| return headers.get(key).size(); | ||
| } | ||
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| public Collection<String> fetch(String key) { | ||
| return headers.get(key); | ||
| } | ||
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| @Override | ||
| public boolean equals(Object obj) { | ||
| if (this == obj) { | ||
| return true; | ||
| } | ||
| if (obj == null) { | ||
| return false; | ||
| } | ||
| if (getClass() != obj.getClass()) { | ||
| return false; | ||
| } | ||
| final RequestHeaders other = (RequestHeaders) obj; | ||
| return this.headers.equals(other.headers); | ||
| } | ||
|
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| @Override | ||
| public String toString() { | ||
| StringBuilder builder = new StringBuilder(); | ||
| for (Map.Entry<String, Collection<String>> entry : headers.entrySet()) { | ||
| builder.append(entry).append(',').append(' '); | ||
| } | ||
| if (builder.length() > 0) { | ||
| return builder.substring(0, builder.length() - 2); | ||
| } | ||
| return "no"; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| /** | ||
| * Copyright 2012-2018 The Feign Authors | ||
| * | ||
| * <p>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 | ||
| * | ||
| * <p>http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * <p>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. | ||
| */ | ||
| package feign.mock; | ||
|
|
||
| import static org.assertj.core.api.Assertions.assertThat; | ||
|
|
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| import java.util.Arrays; | ||
| import java.util.Collection; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import org.junit.Test; | ||
|
|
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| public class RequestHeadersTest { | ||
|
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| @Test | ||
| public void shouldCreateEmptyRequestHeaders() { | ||
| RequestHeaders headers = RequestHeaders.builder().build(); | ||
| assertThat(headers.size()).isEqualTo(0); | ||
| } | ||
|
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| @Test | ||
| public void shouldReturnZeroSizeForUnknownKey() { | ||
| RequestHeaders headers = RequestHeaders.builder().build(); | ||
| assertThat(headers.sizeOf("unknown")).isEqualTo(0); | ||
| } | ||
|
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| @Test | ||
| public void shouldCreateRequestHeadersFromSingleValue() { | ||
| RequestHeaders headers = | ||
| RequestHeaders.builder().add("header", "val").add("other header", "val2").build(); | ||
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| assertThat(headers.fetch("header")).contains("val"); | ||
| assertThat(headers.sizeOf("header")).isEqualTo(1); | ||
| assertThat(headers.fetch("other header")).contains("val2"); | ||
| assertThat(headers.sizeOf("other header")).isEqualTo(1); | ||
| } | ||
|
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| @Test | ||
| public void shouldCreateRequestHeadersFromSingleValueAndCollection() { | ||
| RequestHeaders headers = | ||
| RequestHeaders.builder() | ||
| .add("header", "val") | ||
| .add("other header", "val2") | ||
| .add("header", Arrays.asList("val3", "val4")) | ||
| .build(); | ||
|
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| assertThat(headers.fetch("header")).contains("val", "val3", "val4"); | ||
| assertThat(headers.sizeOf("header")).isEqualTo(3); | ||
| assertThat(headers.fetch("other header")).contains("val2"); | ||
| assertThat(headers.sizeOf("other header")).isEqualTo(1); | ||
| } | ||
|
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| @Test | ||
| public void shouldCreateRequestHeadersFromHeadersMap() { | ||
| Map<String, Collection<String>> map = new HashMap<String, Collection<String>>(); | ||
| map.put("header", Arrays.asList("val", "val2")); | ||
| RequestHeaders headers = RequestHeaders.of(map); | ||
| assertThat(headers.size()).isEqualTo(1); | ||
| } | ||
|
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| @Test | ||
| public void shouldPrintHeaders() { | ||
| RequestHeaders headers = | ||
| RequestHeaders.builder() | ||
| .add("header", "val") | ||
| .add("other header", "val2") | ||
| .add("header", Arrays.asList("val3", "val4")) | ||
| .build(); | ||
| assertThat(headers.toString()).isEqualTo("other header=[val2], header=[val, val3, val4]"); | ||
| } | ||
| } |
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