testcontainers-java

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package org.testcontainers.jdbc;
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import org.junit.Test;
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import org.testcontainers.containers.Container;
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import org.testcontainers.containers.JdbcDatabaseContainer;
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import java.sql.Connection;
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import java.sql.DriverManager;
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import static org.assertj.core.api.Assertions.assertThat;
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/**
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 * This test belongs in the jdbc module, as it is focused on testing the behaviour of {@link org.testcontainers.containers.JdbcDatabaseContainer}.
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 * However, the need to use the {@link org.testcontainers.containers.PostgreSQLContainerProvider} (due to the jdbc:tc:postgresql) URL forces it to live here in
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 * the mysql module, to avoid circular dependencies.
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 * TODO: Move to the jdbc module and either (a) implement a barebones {@link org.testcontainers.containers.JdbcDatabaseContainerProvider} for testing, or (b) refactor into a unit test.
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 */
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public class DatabaseDriverTmpfsTest {
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    @Test
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    public void testDatabaseHasTmpFsViaConnectionString() throws Exception {
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        final String jdbcUrl = "jdbc:tc:postgresql:9.6.8://hostname/databasename?TC_TMPFS=/testtmpfs:rw";
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        try (Connection ignored = DriverManager.getConnection(jdbcUrl)) {
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            JdbcDatabaseContainer<?> container = ContainerDatabaseDriver.getContainer(jdbcUrl);
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            // check file doesn't exist
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            String path = "/testtmpfs/test.file";
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            Container.ExecResult execResult = container.execInContainer("ls", path);
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            assertThat(execResult.getExitCode())
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                .as("tmpfs inside container doesn't have file that doesn't exist")
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                .isNotZero();
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            // touch && check file does exist
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            container.execInContainer("touch", path);
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            execResult = container.execInContainer("ls", path);
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            assertThat(execResult.getExitCode()).as("tmpfs inside container has file that does exist").isZero();
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        }
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    }
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}
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