Github user NicoK commented on a diff in the pull request:
https://github.com/apache/flink/pull/4169#discussion_r126634784
--- Diff:
flink-java/src/test/java/org/apache/flink/api/java/utils/ParameterToolTest.java
---
@@ -174,9 +210,38 @@ public void testUnrequestedByte() {
// test repeated access
Assert.assertEquals(1, parameter.getByte("byte"));
+ Assert.assertEquals(Collections.emptySet(),
parameter.getUnrequestedParameters());
+ }
+
+ @Test
+ public void testUnrequestedByteWithDefaultValue() {
+ ParameterTool parameter = ParameterTool.fromArgs(new
String[]{"-byte", "1"});
+ Assert.assertEquals(Sets.newHashSet("byte"),
parameter.getUnrequestedParameters());
+
+ // test parameter access
+ Assert.assertEquals(1, parameter.getByte("byte", (byte) 0));
+ Assert.assertEquals(Collections.emptySet(),
parameter.getUnrequestedParameters());
+
+ // test repeated access
+ Assert.assertEquals(1, parameter.getByte("byte", (byte) 0));
+ Assert.assertEquals(Collections.emptySet(),
parameter.getUnrequestedParameters());
}
@Test
+ public void testUnrequestedByteWithMissingValue() {
+ ParameterTool parameter = ParameterTool.fromArgs(new
String[]{"-byte"});
+ Assert.assertEquals(Sets.newHashSet("byte"),
parameter.getUnrequestedParameters());
+
+ exception.expect(RuntimeException.class);
+ exception.expectMessage("For input string: \"__NO_VALUE_KEY\"");
+
+ parameter.getByte("byte");
+ Assert.assertEquals(Collections.emptySet(),
parameter.getUnrequestedParameters());
--- End diff --
I just tried myself with this little example:
```
@Rule
public final ExpectedException exception = ExpectedException.none();
@Test
public void testExpectedException() {
exception.expect(RuntimeException.class);
if (true) {
throw new RuntimeException();
}
throw new NullPointerException();
}
```
as expected, the `NullPointerException` is **not** thrown since the test
already ends with the `RuntimeException`
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