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Use backported JUnit exceptThrows and assertThrows in metrics library

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=176584707
This commit is contained in:
jianglai 2017-11-21 17:26:07 -08:00
parent 6eb0d8689d
commit a92cdbe8c3
17 changed files with 325 additions and 226 deletions
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42
javatests/google/registry/monitoring/metrics/ExponentialFitterTest.java
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@ -15,57 +15,49 @@
package google.registry.monitoring.metrics;
import static com.google.common.truth.Truth.assertThat;
import static google.registry.monitoring.metrics.JUnitBackports.expectThrows;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for {@link ExponentialFitter}. */
@RunWith(JUnit4.class)
public class ExponentialFitterTest {
@Rule public final ExpectedException thrown = ExpectedException.none();
@Test
public void testCreateExponentialFitter_zeroNumIntervals_throwsException() throws Exception {
thrown.expect(IllegalArgumentException.class);
thrown.expectMessage("numFiniteIntervals must be greater than 0");
ExponentialFitter.create(0, 3.0, 1.0);
IllegalArgumentException thrown =
expectThrows(IllegalArgumentException.class, () -> ExponentialFitter.create(0, 3.0, 1.0));
assertThat(thrown).hasMessageThat().contains("numFiniteIntervals must be greater than 0");
}
@Test
public void testCreateExponentialFitter_negativeNumIntervals_throwsException() throws Exception {
thrown.expect(IllegalArgumentException.class);
thrown.expectMessage("numFiniteIntervals must be greater than 0");
ExponentialFitter.create(-1, 3.0, 1.0);
IllegalArgumentException thrown =
expectThrows(IllegalArgumentException.class, () -> ExponentialFitter.create(-1, 3.0, 1.0));
assertThat(thrown).hasMessageThat().contains("numFiniteIntervals must be greater than 0");
}
@Test
public void testCreateExponentialFitter_invalidBase_throwsException() throws Exception {
thrown.expect(IllegalArgumentException.class);
thrown.expectMessage("base must be greater than 1");
ExponentialFitter.create(3, 0.5, 1.0);
IllegalArgumentException thrown =
expectThrows(IllegalArgumentException.class, () -> ExponentialFitter.create(3, 0.5, 1.0));
assertThat(thrown).hasMessageThat().contains("base must be greater than 1");
}
@Test
public void testCreateExponentialFitter_zeroScale_throwsException() throws Exception {
thrown.expect(IllegalArgumentException.class);
thrown.expectMessage("scale must not be 0");
ExponentialFitter.create(3, 2.0, 0.0);
IllegalArgumentException thrown =
expectThrows(IllegalArgumentException.class, () -> ExponentialFitter.create(3, 2.0, 0.0));
assertThat(thrown).hasMessageThat().contains("scale must not be 0");
}
@Test
public void testCreateExponentialFitter_NanScale_throwsException() throws Exception {
thrown.expect(IllegalArgumentException.class);
thrown.expectMessage("value must be finite, not NaN, and not -0.0");
ExponentialFitter.create(3, 2.0, Double.NaN);
IllegalArgumentException thrown =
expectThrows(
IllegalArgumentException.class, () -> ExponentialFitter.create(3, 2.0, Double.NaN));
assertThat(thrown).hasMessageThat().contains("value must be finite, not NaN, and not -0.0");
}
@Test