Created
July 14, 2017 11:20
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Obeying the rules ? Challenge accepted. Blog post about using TestRules and Parameterized tests in Android
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public class RepeatRule implements TestRule { | |
@Retention(RetentionPolicy.RUNTIME) | |
@Target({METHOD, ANNOTATION_TYPE}) | |
public @interface Repeat { | |
int value() default 1; | |
} | |
private static class RepeatStatement extends Statement { | |
private final int times; | |
private final Statement statement; | |
private RepeatStatement(int times, Statement statement) { | |
this.times = times; | |
this.statement = statement; | |
} | |
@Override | |
public void evaluate() throws Throwable { | |
for (int i = 0; i < times; i++) { | |
statement.evaluate(); | |
} | |
} | |
} | |
@Override | |
public Statement apply(Statement statement, Description description) { | |
Statement result = statement; | |
Repeat repeat = description.getAnnotation(Repeat.class); | |
if (repeat != null) { | |
int times = repeat.value(); | |
result = new RepeatStatement(times, statement); | |
} | |
return result; | |
} | |
} |
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@Parameterized.Parameters | |
public static Collection<Object[]> data() { | |
return Arrays.asList(new Object[][]{ | |
{MB_1, TIMEOUT_MB_1}, | |
{MB_10, TIMEOUT_MB_10}, | |
{MB_20, TIMEOUT_MB_20}, | |
{MB_30, TIMEOUT_MB_30}, | |
{MB_40, TIMEOUT_MB_40}, | |
{MB_50, TIMEOUT_MB_50}, | |
{MB_100, TIMEOUT_MB_100} | |
}); | |
} | |
@Parameterized.Parameter(0) | |
public static int size; | |
@Parameterized.Parameter(1) | |
public static long threshold; | |
@Rule | |
public RepeatRule repeatRule = new RepeatRule(); | |
@ClassRule | |
public static ErrorCollector collector = new ErrorCollector(); |
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