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TestcontainersConfigurationTest.java
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TestcontainersConfigurationTest.java
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package org.testcontainers.utility;
import org.junit.Before;
import org.junit.Test;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.UUID;
import static org.assertj.core.api.Assertions.assertThat;
public class TestcontainersConfigurationTest {
private Properties userProperties;
private Properties classpathProperties;
private Map<String, String> environment;
@Before
public void setUp() {
userProperties = new Properties();
classpathProperties = new Properties();
environment = new HashMap<>();
}
@Test
public void shouldSubstituteImageNamesFromClasspathProperties() {
classpathProperties.setProperty("ryuk.container.image", "foo:version");
assertThat(newConfig().getConfiguredSubstituteImage(DockerImageName.parse("testcontainers/ryuk:any")))
.as("an image name can be pulled from classpath properties")
.isEqualTo(DockerImageName.parse("foo:version"));
}
@Test
public void shouldSubstituteImageNamesFromUserProperties() {
userProperties.setProperty("ryuk.container.image", "foo:version");
assertThat(newConfig().getConfiguredSubstituteImage(DockerImageName.parse("testcontainers/ryuk:any")))
.as("an image name can be pulled from user properties")
.isEqualTo(DockerImageName.parse("foo:version"));
}
@Test
public void shouldSubstituteImageNamesFromEnvironmentVariables() {
environment.put("TESTCONTAINERS_RYUK_CONTAINER_IMAGE", "foo:version");
assertThat(newConfig().getConfiguredSubstituteImage(DockerImageName.parse("testcontainers/ryuk:any")))
.as("an image name can be pulled from an environment variable")
.isEqualTo(DockerImageName.parse("foo:version"));
}
@Test
public void shouldApplySettingsInOrder() {
assertThat(newConfig().getEnvVarOrProperty("key", "default"))
.as("precedence order for multiple sources of the same value is correct")
.isEqualTo("default");
classpathProperties.setProperty("key", "foo");
assertThat(newConfig().getEnvVarOrProperty("key", "default"))
.as("precedence order for multiple sources of the same value is correct")
.isEqualTo("foo");
userProperties.setProperty("key", "bar");
assertThat(newConfig().getEnvVarOrProperty("key", "default"))
.as("precedence order for multiple sources of the same value is correct")
.isEqualTo("bar");
environment.put("TESTCONTAINERS_KEY", "baz");
assertThat(newConfig().getEnvVarOrProperty("key", "default"))
.as("precedence order for multiple sources of the same value is correct")
.isEqualTo("baz");
}
@Test
public void shouldNotReadChecksFromClasspathProperties() {
assertThat(newConfig().isDisableChecks()).as("checks enabled by default").isFalse();
classpathProperties.setProperty("checks.disable", "true");
assertThat(newConfig().isDisableChecks()).as("checks are not affected by classpath properties").isFalse();
}
@Test
public void shouldReadChecksFromUserProperties() {
assertThat(newConfig().isDisableChecks()).as("checks enabled by default").isFalse();
userProperties.setProperty("checks.disable", "true");
assertThat(newConfig().isDisableChecks()).as("checks disabled via user properties").isTrue();
}
@Test
public void shouldReadChecksFromEnvironment() {
assertThat(newConfig().isDisableChecks()).as("checks enabled by default").isFalse();
userProperties.remove("checks.disable");
environment.put("TESTCONTAINERS_CHECKS_DISABLE", "true");
assertThat(newConfig().isDisableChecks()).as("checks disabled via env var").isTrue();
}
@Test
public void shouldReadDockerSettingsFromEnvironmentWithoutTestcontainersPrefix() {
userProperties.remove("docker.foo");
environment.put("DOCKER_FOO", "some value");
assertThat(newConfig().getEnvVarOrUserProperty("docker.foo", "default"))
.as("reads unprefixed env vars for docker. settings")
.isEqualTo("some value");
}
@Test
public void shouldNotReadDockerSettingsFromEnvironmentWithTestcontainersPrefix() {
userProperties.remove("docker.foo");
environment.put("TESTCONTAINERS_DOCKER_FOO", "some value");
assertThat(newConfig().getEnvVarOrUserProperty("docker.foo", "default"))
.as("reads unprefixed env vars for docker. settings")
.isEqualTo("default");
}
@Test
public void shouldReadDockerSettingsFromUserProperties() {
environment.remove("DOCKER_FOO");
userProperties.put("docker.foo", "some value");
assertThat(newConfig().getEnvVarOrUserProperty("docker.foo", "default"))
.as("reads unprefixed user properties for docker. settings")
.isEqualTo("some value");
}
@Test
public void shouldNotReadSettingIfCorrespondingEnvironmentVarIsEmptyString() {
environment.put("DOCKER_FOO", "");
assertThat(newConfig().getEnvVarOrUserProperty("docker.foo", "default"))
.as("reads unprefixed env vars for docker. settings")
.isEqualTo("default");
}
@Test
public void shouldNotReadDockerClientStrategyFromClasspathProperties() {
String currentValue = newConfig().getDockerClientStrategyClassName();
classpathProperties.setProperty("docker.client.strategy", UUID.randomUUID().toString());
assertThat(newConfig().getDockerClientStrategyClassName())
.as("Docker client strategy is not affected by classpath properties")
.isEqualTo(currentValue);
}
@Test
public void shouldReadDockerClientStrategyFromUserProperties() {
userProperties.setProperty("docker.client.strategy", "foo");
assertThat(newConfig().getDockerClientStrategyClassName())
.as("Docker client strategy is changed by user property")
.isEqualTo("foo");
}
@Test
public void shouldReadDockerClientStrategyFromEnvironment() {
userProperties.remove("docker.client.strategy");
environment.put("TESTCONTAINERS_DOCKER_CLIENT_STRATEGY", "foo");
assertThat(newConfig().getDockerClientStrategyClassName())
.as("Docker client strategy is changed by env var")
.isEqualTo("foo");
}
@Test
public void shouldNotUseImplicitDockerClientStrategyWhenDockerHostAndStrategyAreBothSet() {
userProperties.put("docker.client.strategy", "foo");
userProperties.put("docker.host", "tcp://1.2.3.4:5678");
assertThat(newConfig().getDockerClientStrategyClassName())
.as("Docker client strategy is can be explicitly set")
.isEqualTo("foo");
userProperties.remove("docker.client.strategy");
environment.put("TESTCONTAINERS_DOCKER_CLIENT_STRATEGY", "bar");
userProperties.put("docker.client.strategy", "foo");
assertThat(newConfig().getDockerClientStrategyClassName())
.as("Docker client strategy is can be explicitly set")
.isEqualTo("bar");
environment.put("TESTCONTAINERS_DOCKER_CLIENT_STRATEGY", "bar");
userProperties.remove("docker.client.strategy");
assertThat(newConfig().getDockerClientStrategyClassName())
.as("Docker client strategy is can be explicitly set")
.isEqualTo("bar");
environment.remove("TESTCONTAINERS_DOCKER_CLIENT_STRATEGY");
userProperties.put("docker.client.strategy", "foo");
assertThat(newConfig().getDockerClientStrategyClassName())
.as("Docker client strategy is can be explicitly set")
.isEqualTo("foo");
}
@Test
public void shouldNotReadReuseFromClasspathProperties() {
assertThat(newConfig().environmentSupportsReuse()).as("no reuse by default").isFalse();
classpathProperties.setProperty("testcontainers.reuse.enable", "true");
assertThat(newConfig().environmentSupportsReuse())
.as("reuse is not affected by classpath properties")
.isFalse();
}
@Test
public void shouldReadReuseFromUserProperties() {
assertThat(newConfig().environmentSupportsReuse()).as("no reuse by default").isFalse();
userProperties.setProperty("testcontainers.reuse.enable", "true");
assertThat(newConfig().environmentSupportsReuse()).as("reuse enabled via user property").isTrue();
}
@Test
public void shouldReadReuseFromEnvironment() {
assertThat(newConfig().environmentSupportsReuse()).as("no reuse by default").isFalse();
userProperties.remove("testcontainers.reuse.enable");
environment.put("TESTCONTAINERS_REUSE_ENABLE", "true");
assertThat(newConfig().environmentSupportsReuse()).as("reuse enabled via env var").isTrue();
}
@Test
public void shouldTrimImageNames() {
userProperties.setProperty("ryuk.container.image", " testcontainers/ryuk:0.3.2 ");
assertThat(newConfig().getRyukImage())
.as("trailing whitespace was not removed from image name property")
.isEqualTo("testcontainers/ryuk:0.3.2");
}
private TestcontainersConfiguration newConfig() {
return new TestcontainersConfiguration(userProperties, classpathProperties, environment);
}
}