Package org.junit.rules
Class ErrorCollector
- java.lang.Object
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- org.junit.rules.Verifier
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- org.junit.rules.ErrorCollector
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- All Implemented Interfaces:
TestRule
public class ErrorCollector extends Verifier
The ErrorCollector rule allows execution of a test to continue after the first problem is found (for example, to collect _all_ the incorrect rows in a table, and report them all at once):public static class UsesErrorCollectorTwice { @Rule public ErrorCollector collector= new ErrorCollector(); @Test public void example() { collector.addError(new Throwable("first thing went wrong")); collector.addError(new Throwable("second thing went wrong")); collector.checkThat(getResult(), not(containsString("ERROR!"))); // all lines will run, and then a combined failure logged at the end. } }
- Since:
- 4.7
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Field Summary
Fields Modifier and Type Field Description private java.util.List<java.lang.Throwable>
errors
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Constructor Summary
Constructors Constructor Description ErrorCollector()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addError(java.lang.Throwable error)
Adds a Throwable to the table.<T> T
checkSucceeds(java.util.concurrent.Callable<T> callable)
Adds to the table the exception, if any, thrown fromcallable
.<T> void
checkThat(java.lang.String reason, T value, org.hamcrest.Matcher<T> matcher)
Adds a failure with the givenreason
to the table ifmatcher
does not matchvalue
.<T> void
checkThat(T value, org.hamcrest.Matcher<T> matcher)
Adds a failure to the table ifmatcher
does not matchvalue
.protected void
verify()
Override this to add verification logic.
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Method Detail
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verify
protected void verify() throws java.lang.Throwable
Description copied from class:Verifier
Override this to add verification logic. Overrides should throw an exception to indicate that verification failed.
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addError
public void addError(java.lang.Throwable error)
Adds a Throwable to the table. Execution continues, but the test will fail at the end.
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checkThat
public <T> void checkThat(T value, org.hamcrest.Matcher<T> matcher)
Adds a failure to the table ifmatcher
does not matchvalue
. Execution continues, but the test will fail at the end if the match fails.
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checkThat
public <T> void checkThat(java.lang.String reason, T value, org.hamcrest.Matcher<T> matcher)
Adds a failure with the givenreason
to the table ifmatcher
does not matchvalue
. Execution continues, but the test will fail at the end if the match fails.
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checkSucceeds
public <T> T checkSucceeds(java.util.concurrent.Callable<T> callable)
Adds to the table the exception, if any, thrown fromcallable
. Execution continues, but the test will fail at the end ifcallable
threw an exception.
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