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Provides assertion APIs for query executions with assertEquals and assertThat(AssertJ and Hamcrest)

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datasource-assert

Maven Central

datasource-assert provides assertion API for DataSource to validate query executions.

The assertion API is used for assertion methods such as assertEquals in JUnit and TestNG. Also, it comes with support for assertThat in AssertJ and Hamcrest.

Artifacts

Released Version

<dependency>
  <groupId>net.ttddyy</groupId>
  <artifactId>datasource-assert</artifactId>
  <version>[LATEST_VERSION]</version>
</dependency>

Documentation

How to use

Wrap your datasource with ProxyTestDataSource.

@Test
public void myTest() {
  ProxyTestDataSource ds = new ProxyTestDataSource(actualDataSource);
  // rest of test 
}

If you want to reuse the same ProxyTestDataSource instance, you could reset() it between tests.

@After  // @AfterEach, @AfterMethod
public void tearDown() {
   this.ds.reset();
}

Regular assertions

For normal assertions such as JUnit/TestNG assertEquals, use methods from ProxyTestDataSource.

assertEquals(3, ds.getQueryExecutions().size());
PreparedExecution pe = ds.getFirstPrepared();
assertTrue(pe.isSuccess());

See more details on "Usage examples".

AssertJ

Static import assertThat from DataSourceAssertAssertions.

import static net.ttddyy.dsproxy.asserts.assertj.DataSourceAssertAssertions.assertThat;
assertThat(ds.getQueryExecutions()).hasSize(1);
assertThat(ds.getQueryExecutions().get(0)).isStatement().asStatement().query().isEqualTo("SELECT id FROM emp");
assertThat(ds.getFirstPrepared()).containsParam(1, "foo");

See more details on "Usage examples".

Hamcrest

Use matchers from DataSourceAssertMatchers.

assertThat(ds, statementCount(3));
assertThat(ds, executions(1, is(statement())));
assertThat((StatementExecution) statements.get(0), query(is("SELECT id FROM emp")));
assertThat(ds.getFirstPrepared(), paramAsInteger(1, is(100)));

See more details on "Usage examples".

Usage examples

Regular assertions(assertEquals, etc)

With AssertJ

With Hamcrest


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Provides assertion APIs for query executions with assertEquals and assertThat(AssertJ and Hamcrest)

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