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Add tests for KubernetesConfigDataLoader (#1126)

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erabii
2022-11-08 16:21:59 +02:00
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parent 7757053c41
commit bc21f74c5d
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spring-cloud-kubernetes-commons/src/test/java/org/springframework/cloud/kubernetes/commons/config/KubernetesConfigDataLoaderTests.java Normal file
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/*
* Copyright 2013-2022 the original author or 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
*
* https://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.springframework.cloud.kubernetes.commons.config;
import java.io.IOException;
import java.util.List;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.springframework.boot.BootstrapRegistry;
import org.springframework.boot.DefaultBootstrapContext;
import org.springframework.boot.context.config.ConfigData;
import org.springframework.boot.context.config.ConfigDataLoaderContext;
import org.springframework.boot.context.config.Profiles;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.PropertySource;
import org.springframework.mock.env.MockEnvironment;
import org.springframework.mock.env.MockPropertySource;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
/**
* @author wind57
*/
class KubernetesConfigDataLoaderTests {
private static final ConfigDataLoaderContext CONTEXT = mock(ConfigDataLoaderContext.class);
private static final DefaultBootstrapContext BOOTSTRAP_CONTEXT_NO_REGISTRATIONS = new DefaultBootstrapContext();
private static final DefaultBootstrapContext BOOTSTRAP_CONTEXT_BOTH_REGISTRATIONS = new DefaultBootstrapContext();
private static final Profiles PROFILES = mock(Profiles.class);
private static final ConfigurableEnvironment ENVIRONMENT = new MockEnvironment();
private static final KubernetesConfigDataResource EMPTY_RESOURCE = new KubernetesConfigDataResource(null, null,
null, false, PROFILES, ENVIRONMENT);
/**
* we do not override this method in our implementation, so it should report true for
* any arguments.
*/
@Test
void testIsLoadable() {
KubernetesConfigDataLoader loader = new KubernetesConfigDataLoader();
Assertions.assertTrue(loader.isLoadable(null, null));
}
/**
* neither ConfigMapPropertySourceLocator nor SecretsPropertySourceLocator is
* registered in bootstrap context. There are no profiles either, as such
* PROFILE_SPECIFIC option is not present.
*/
@Test
void testNeitherIsRegisteredNoProfiles() throws IOException {
when(CONTEXT.getBootstrapContext()).thenReturn(BOOTSTRAP_CONTEXT_NO_REGISTRATIONS);
KubernetesConfigDataLoader loader = new KubernetesConfigDataLoader();
ConfigData configData = loader.load(CONTEXT, EMPTY_RESOURCE);
MockPropertySource propertySource = new MockPropertySource("k8s");
Assertions.assertNotNull(configData);
Assertions.assertEquals(0, configData.getPropertySources().size());
ConfigData.Options options = configData.getOptions(propertySource);
Assertions.assertNotNull(options);
Assertions.assertTrue(options.contains(ConfigData.Option.IGNORE_IMPORTS));
Assertions.assertTrue(options.contains(ConfigData.Option.IGNORE_PROFILES));
Assertions.assertFalse(options.contains(ConfigData.Option.PROFILE_SPECIFIC));
}
/**
* neither ConfigMapPropertySourceLocator nor SecretsPropertySourceLocator is
* registered in bootstrap context. "dev" profile is accepted, as such
* PROFILE_SPECIFIC option is present.
*/
@Test
void testNeitherIsRegisteredDevProfilePresent() throws IOException {
when(CONTEXT.getBootstrapContext()).thenReturn(BOOTSTRAP_CONTEXT_NO_REGISTRATIONS);
when(PROFILES.getAccepted()).thenReturn(List.of("dev"));
KubernetesConfigDataLoader loader = new KubernetesConfigDataLoader();
ConfigData configData = loader.load(CONTEXT, EMPTY_RESOURCE);
MockPropertySource propertySource = new MockPropertySource("k8s-dev");
Assertions.assertNotNull(configData);
Assertions.assertEquals(0, configData.getPropertySources().size());
ConfigData.Options options = configData.getOptions(propertySource);
Assertions.assertNotNull(options);
Assertions.assertTrue(options.contains(ConfigData.Option.IGNORE_IMPORTS));
Assertions.assertTrue(options.contains(ConfigData.Option.IGNORE_PROFILES));
Assertions.assertTrue(options.contains(ConfigData.Option.PROFILE_SPECIFIC));
}
/**
* both ConfigMapPropertySourceLocator and SecretsPropertySourceLocator are registered
* in bootstrap context.
*/
@SuppressWarnings({ "raw", "unchecked" })
@Test
void testBothRegistered() throws IOException {
PropertySource configMapPropertySource = new MockPropertySource("k8s-config-map");
PropertySource secretsPropertySource = new MockPropertySource("k8s-secrets");
ConfigMapPropertySourceLocator configMapPropertySourceLocator = mock(ConfigMapPropertySourceLocator.class);
SecretsPropertySourceLocator secretsPropertySourceLocator = mock(SecretsPropertySourceLocator.class);
when(CONTEXT.getBootstrapContext()).thenReturn(BOOTSTRAP_CONTEXT_BOTH_REGISTRATIONS);
when(configMapPropertySourceLocator.locate(ENVIRONMENT)).thenReturn(configMapPropertySource);
when(secretsPropertySourceLocator.locate(ENVIRONMENT)).thenReturn(secretsPropertySource);
BOOTSTRAP_CONTEXT_BOTH_REGISTRATIONS.register(ConfigMapPropertySourceLocator.class,
BootstrapRegistry.InstanceSupplier.of(configMapPropertySourceLocator));
BOOTSTRAP_CONTEXT_BOTH_REGISTRATIONS.register(SecretsPropertySourceLocator.class,
BootstrapRegistry.InstanceSupplier.of(secretsPropertySourceLocator));
KubernetesConfigDataLoader loader = new KubernetesConfigDataLoader();
ConfigData configData = loader.load(CONTEXT, EMPTY_RESOURCE);
Assertions.assertNotNull(configData);
Assertions.assertEquals(2, configData.getPropertySources().size());
Assertions.assertEquals("k8s-config-map", configData.getPropertySources().get(0).getName());
Assertions.assertEquals("k8s-secrets", configData.getPropertySources().get(1).getName());
}
}