| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| package org.apache.kafka.message; |
| |
| import org.junit.jupiter.api.Test; |
| import org.junit.jupiter.api.Timeout; |
| |
| import java.io.StringWriter; |
| |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| |
| @Timeout(120) |
| public class VersionConditionalTest { |
| |
| static void claimEquals(CodeBuffer buffer, String... lines) throws Exception { |
| StringWriter stringWriter = new StringWriter(); |
| buffer.write(stringWriter); |
| StringBuilder expectedStringBuilder = new StringBuilder(); |
| for (String line : lines) { |
| expectedStringBuilder.append(String.format(line)); |
| } |
| assertEquals(stringWriter.toString(), expectedStringBuilder.toString()); |
| } |
| |
| @Test |
| public void testAlwaysFalseConditional() throws Exception { |
| CodeBuffer buffer = new CodeBuffer(); |
| VersionConditional. |
| forVersions(Versions.parse("1-2", null), Versions.parse("3+", null)). |
| ifMember(__ -> { |
| buffer.printf("System.out.println(\"hello world\");%n"); |
| }). |
| ifNotMember(__ -> { |
| buffer.printf("System.out.println(\"foobar\");%n"); |
| }). |
| generate(buffer); |
| claimEquals(buffer, |
| "System.out.println(\"foobar\");%n"); |
| } |
| |
| @Test |
| public void testAnotherAlwaysFalseConditional() throws Exception { |
| CodeBuffer buffer = new CodeBuffer(); |
| VersionConditional. |
| forVersions(Versions.parse("3+", null), Versions.parse("1-2", null)). |
| ifMember(__ -> { |
| buffer.printf("System.out.println(\"hello world\");%n"); |
| }). |
| ifNotMember(__ -> { |
| buffer.printf("System.out.println(\"foobar\");%n"); |
| }). |
| generate(buffer); |
| claimEquals(buffer, |
| "System.out.println(\"foobar\");%n"); |
| } |
| |
| @Test |
| public void testAllowMembershipCheckAlwaysFalseFails() throws Exception { |
| try { |
| CodeBuffer buffer = new CodeBuffer(); |
| VersionConditional. |
| forVersions(Versions.parse("1-2", null), Versions.parse("3+", null)). |
| ifMember(__ -> { |
| buffer.printf("System.out.println(\"hello world\");%n"); |
| }). |
| ifNotMember(__ -> { |
| buffer.printf("System.out.println(\"foobar\");%n"); |
| }). |
| allowMembershipCheckAlwaysFalse(false). |
| generate(buffer); |
| } catch (RuntimeException e) { |
| assertTrue(e.getMessage().contains("no versions in common")); |
| } |
| } |
| |
| @Test |
| public void testAlwaysTrueConditional() throws Exception { |
| CodeBuffer buffer = new CodeBuffer(); |
| VersionConditional. |
| forVersions(Versions.parse("1-5", null), Versions.parse("2-4", null)). |
| ifMember(__ -> { |
| buffer.printf("System.out.println(\"hello world\");%n"); |
| }). |
| ifNotMember(__ -> { |
| buffer.printf("System.out.println(\"foobar\");%n"); |
| }). |
| allowMembershipCheckAlwaysFalse(false). |
| generate(buffer); |
| claimEquals(buffer, |
| "System.out.println(\"hello world\");%n"); |
| } |
| |
| @Test |
| public void testAlwaysTrueConditionalWithAlwaysEmitBlockScope() throws Exception { |
| CodeBuffer buffer = new CodeBuffer(); |
| VersionConditional. |
| forVersions(Versions.parse("1-5", null), Versions.parse("2-4", null)). |
| ifMember(__ -> { |
| buffer.printf("System.out.println(\"hello world\");%n"); |
| }). |
| ifNotMember(__ -> { |
| buffer.printf("System.out.println(\"foobar\");%n"); |
| }). |
| alwaysEmitBlockScope(true). |
| generate(buffer); |
| claimEquals(buffer, |
| "{%n", |
| " System.out.println(\"hello world\");%n", |
| "}%n"); |
| } |
| |
| @Test |
| public void testLowerRangeCheckWithElse() throws Exception { |
| CodeBuffer buffer = new CodeBuffer(); |
| VersionConditional. |
| forVersions(Versions.parse("1+", null), Versions.parse("0-100", null)). |
| ifMember(__ -> { |
| buffer.printf("System.out.println(\"hello world\");%n"); |
| }). |
| ifNotMember(__ -> { |
| buffer.printf("System.out.println(\"foobar\");%n"); |
| }). |
| generate(buffer); |
| claimEquals(buffer, |
| "if (_version >= 1) {%n", |
| " System.out.println(\"hello world\");%n", |
| "} else {%n", |
| " System.out.println(\"foobar\");%n", |
| "}%n"); |
| } |
| |
| @Test |
| public void testLowerRangeCheckWithIfMember() throws Exception { |
| CodeBuffer buffer = new CodeBuffer(); |
| VersionConditional. |
| forVersions(Versions.parse("1+", null), Versions.parse("0-100", null)). |
| ifMember(__ -> { |
| buffer.printf("System.out.println(\"hello world\");%n"); |
| }). |
| generate(buffer); |
| claimEquals(buffer, |
| "if (_version >= 1) {%n", |
| " System.out.println(\"hello world\");%n", |
| "}%n"); |
| } |
| |
| @Test |
| public void testLowerRangeCheckWithIfNotMember() throws Exception { |
| CodeBuffer buffer = new CodeBuffer(); |
| VersionConditional. |
| forVersions(Versions.parse("1+", null), Versions.parse("0-100", null)). |
| ifNotMember(__ -> { |
| buffer.printf("System.out.println(\"hello world\");%n"); |
| }). |
| generate(buffer); |
| claimEquals(buffer, |
| "if (_version < 1) {%n", |
| " System.out.println(\"hello world\");%n", |
| "}%n"); |
| } |
| |
| @Test |
| public void testUpperRangeCheckWithElse() throws Exception { |
| CodeBuffer buffer = new CodeBuffer(); |
| VersionConditional. |
| forVersions(Versions.parse("0-10", null), Versions.parse("4+", null)). |
| ifMember(__ -> { |
| buffer.printf("System.out.println(\"hello world\");%n"); |
| }). |
| ifNotMember(__ -> { |
| buffer.printf("System.out.println(\"foobar\");%n"); |
| }). |
| generate(buffer); |
| claimEquals(buffer, |
| "if (_version <= 10) {%n", |
| " System.out.println(\"hello world\");%n", |
| "} else {%n", |
| " System.out.println(\"foobar\");%n", |
| "}%n"); |
| } |
| |
| @Test |
| public void testUpperRangeCheckWithIfMember() throws Exception { |
| CodeBuffer buffer = new CodeBuffer(); |
| VersionConditional. |
| forVersions(Versions.parse("0-10", null), Versions.parse("4+", null)). |
| ifMember(__ -> { |
| buffer.printf("System.out.println(\"hello world\");%n"); |
| }). |
| generate(buffer); |
| claimEquals(buffer, |
| "if (_version <= 10) {%n", |
| " System.out.println(\"hello world\");%n", |
| "}%n"); |
| } |
| |
| @Test |
| public void testUpperRangeCheckWithIfNotMember() throws Exception { |
| CodeBuffer buffer = new CodeBuffer(); |
| VersionConditional. |
| forVersions(Versions.parse("1+", null), Versions.parse("0-100", null)). |
| ifNotMember(__ -> { |
| buffer.printf("System.out.println(\"hello world\");%n"); |
| }). |
| generate(buffer); |
| claimEquals(buffer, |
| "if (_version < 1) {%n", |
| " System.out.println(\"hello world\");%n", |
| "}%n"); |
| } |
| |
| @Test |
| public void testFullRangeCheck() throws Exception { |
| CodeBuffer buffer = new CodeBuffer(); |
| VersionConditional. |
| forVersions(Versions.parse("5-10", null), Versions.parse("1+", null)). |
| ifMember(__ -> { |
| buffer.printf("System.out.println(\"hello world\");%n"); |
| }). |
| allowMembershipCheckAlwaysFalse(false). |
| generate(buffer); |
| claimEquals(buffer, |
| "if ((_version >= 5) && (_version <= 10)) {%n", |
| " System.out.println(\"hello world\");%n", |
| "}%n"); |
| } |
| } |