test (dekorateio#584): knative scale to zero

tests/feat-575-knative-scale-to-zero/pom.xml

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <artifactId>dekorate-tests</artifactId>
+    <groupId>io.dekorate</groupId>
+    <version>0.12-SNAPSHOT</version>
+    <relativePath>../</relativePath>
+  </parent>
+
+  <groupId>io.dekorate</groupId>
+  <artifactId>feat-575-knative-scale-to-zero</artifactId>
+  <name>Dekorate :: Tests :: Annotations :: Knative :: Scale to zero #575</name>
+  <description></description>
+
+  <dependencies>
+    <dependency>
+      <groupId>io.dekorate</groupId>
+      <artifactId>knative-annotations</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>io.dekorate</groupId>
+      <artifactId>dekorate-spring-boot</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-web</artifactId>
+      <version>${version.spring-boot}</version>
+    </dependency>
+
+    <!-- Testing -->
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-api</artifactId>
+      <version>${version.junit-jupiter}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-engine</artifactId>
+      <version>${version.junit-jupiter}</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <inherited>true</inherited>
+        <configuration>
+          <useSystemClassLoader>false</useSystemClassLoader>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-maven-plugin</artifactId>
+      </plugin>
+    </plugins>
+  </build>
+</project>

tests/feat-575-knative-scale-to-zero/src/main/java/io/dekorate/annotationless/DemoApplication.java

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+/**
+ * Copyright 2018 The original authors.
+ *
+ * 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.
+ */
+package io.dekorate.annotationless;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class DemoApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(DemoApplication.class, args);
+	}
+
+}

tests/feat-575-knative-scale-to-zero/src/main/java/io/dekorate/annotationless/HelloController.java

@@ -0,0 +1,32 @@
+/**
+ * Copyright 2018 The original authors.
+ * 
+ * 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.
+ * 
+**/
+
+package io.dekorate.annotationless;
+
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HelloController {
+
+  private static final String HELLO = "hello world!";
+
+    @RequestMapping("/")
+    public String hello() {
+        return HELLO;
+    }
+}

tests/feat-575-knative-scale-to-zero/src/main/resources/application.properties

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+dekorate.knative.scale-to-zero-enabled=false

tests/feat-575-knative-scale-to-zero/src/test/java/io/dekorate/knative/Feat575ScaleToZeroTest.java

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+/**
+ * Copyright 2018 The original authors.
+ * 
+ * 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.
+ * 
+**/
+
+package io.dekorate.knative;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+import java.util.Optional;
+
+import org.junit.jupiter.api.Test;
+
+import io.dekorate.utils.Serialization;
+import io.fabric8.kubernetes.api.model.ConfigMap;
+import io.fabric8.kubernetes.api.model.HasMetadata;
+import io.fabric8.kubernetes.api.model.KubernetesList;
+
+public class Feat575ScaleToZeroTest {
+
+  @Test
+  public void shouldContainRequestsPerSecond() {
+    KubernetesList list = Serialization.unmarshalAsList(getClass().getClassLoader().getResourceAsStream("META-INF/dekorate/knative.yml"));
+    assertNotNull(list);
+    ConfigMap c = findFirst(list, ConfigMap.class).orElseThrow(() -> new IllegalStateException());
+    assertEquals("false", c.getData().get("enable-scale-to-zero"));
+  }
+
+
+  <T extends HasMetadata> Optional<T> findFirst(KubernetesList list, Class<T> t) {
+    return (Optional<T>) list.getItems().stream()
+      .filter(i -> t.isInstance(i))
+      .findFirst();
+  }
+}