de.weltraumschaf.commons.testing.rules

Class Repeater.BaseRepeatStatement

java.lang.Object

org.junit.runners.model.Statement

de.weltraumschaf.commons.testing.rules.Repeater.BaseRepeatStatement

Direct Known Subclasses:

Repeater.RepeatStatement, Repeater.RepeatUntilSuccessStatement

Enclosing class:

Repeater

abstract static class Repeater.BaseRepeatStatement
extends org.junit.runners.model.Statement

This statement executes the given base statement repeatedly.

Field Summary

Fields

Modifier and Type	Field and Description
private org.junit.runners.model.Statement	base Statement to repeat.
private static double	HUNDRED_PERCENT Used for error rate calculation.
private int	times how many times to repeat.

Constructor Summary

Constructors

Constructor and Description
BaseRepeatStatement(int times, org.junit.runners.model.Statement base) Dedicated constructor.

Method Summary

Modifier and Type	Method and Description
(package private) void	assertNoErrors(Collection<? extends Throwable> errors) Assert that there are no errors during all repetitions.
(package private) org.junit.runners.model.Statement	base() The multiple times executed base statement.
(package private) static double	calculateFailedRepetitionPercentage(int times, int errors) Calculates percentage of errors.
(package private) static String	formatErrors(Collection<? extends Throwable> errors, int times) Formats the given errors into one message.
(package private) int	times() How many times to execute the base statement.

Methods inherited from class org.junit.runners.model.Statement

evaluate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

HUNDRED_PERCENT

private static final double HUNDRED_PERCENT

Used for error rate calculation.

See Also:

Constant Field Values

times

private final int times

how many times to repeat.

base

private final org.junit.runners.model.Statement base

Statement to repeat.

Constructor Detail

BaseRepeatStatement

BaseRepeatStatement(int times,
                    org.junit.runners.model.Statement base)

Dedicated constructor.

Parameters:

times - must be greater than 0

base - must not be null

Method Detail

times

int times()

How many times to execute the base statement.

Returns:

greater than 0

base

org.junit.runners.model.Statement base()

The multiple times executed base statement.

Returns:

never null

assertNoErrors

void assertNoErrors(Collection<? extends Throwable> errors)

Assert that there are no errors during all repetitions.

Throws an AssertionError if list of errors is not empty.

Parameters:

errors - must not be null

formatErrors

static String formatErrors(Collection<? extends Throwable> errors,
                           int times)

Formats the given errors into one message.

The message contains one headline with number of repetitions and number of errors. This is followed by the stack trace of each error.

Parameters:

errors - must not be null

times - must be greater than 0

Returns:

never null

calculateFailedRepetitionPercentage

static double calculateFailedRepetitionPercentage(int times,
                                                  int errors)

Calculates percentage of errors.

Parameters:

times - must not be less than 1

errors - must not be less than 0

Returns:

non negative