public static FreudAnalyser specificMethodsShouldNotHaveBranchLogic(
final AnalysedObjectIterator<ClassFile> iterator) {
return Freud.iterateOver(ClassFileMethod.class)
.assertThat(
no(methodName().is(equalTo("criticalPath")))
.or(
no(
containsInstructions(
Opcode.IFEQ,
Opcode.IFLT,
Opcode.IFLE,
Opcode.IFNE,
Opcode.IFGT,
Opcode.IFGE,
Opcode.IFNULL,
Opcode.IFNONNULL,
Opcode.IF_ICMPEQ,
Opcode.IF_ICMPGE,
Opcode.IF_ICMPGT,
Opcode.IF_ICMPLE,
Opcode.IF_ICMPLT,
Opcode.IF_ICMPNE,
Opcode.IF_ACMPEQ,
Opcode.IF_ACMPNE,
Opcode.TABLESWITCH,
Opcode.LOOKUPSWITCH,
Opcode.GOTO,
Opcode.GOTO_W,
Opcode.JSR,
Opcode.JSR_W))))
.within(iterator);
}
@Test
public void noStringBuffer() throws Exception {
FreudAnalyser analyser =
Freud.iterateOver(ClassFileMethod.class)
.assertThat(no(hasMethodInvocation(StringBuffer.class, "<init>")))
.within(classFiles);
AnalysisListener listener = new AssertionErrorAnalysisListener();
analyser.analyse(listener);
}
@Test
public void noDateUtil() throws Exception {
FreudAnalyser analyser =
Freud.iterateOver(ImportDeclaration.class)
.assertThat(no(importDeclaration().matches("java.util.Date")))
.within(javaSources);
AnalysisListener assertionListener = new AssertionErrorAnalysisListener();
analyser.analyse(assertionListener);
}
@Test
public void lessThan250Lines() throws Exception {
FreudAnalyser analyser =
Freud.iterateOver(CodeBlock.class)
.assertThat(codeBlockLines().lessThanOrEqualTo(250))
.within(javaSources);
AnalysisListener listener = new AssertionErrorAnalysisListener();
analyser.analyse(listener);
}
@Test
public void noSystemGC() throws Exception {
FreudAnalyser analyser =
Freud.iterateOver(CodeBlock.class)
.assertThat(no(CodeBlockDsl.hasMethodCall("System.gc")))
.within(javaSources);
AnalysisListener listener = new AssertionErrorAnalysisListener();
analyser.analyse(listener);
}
@Test
public void packageDeclaration() throws Exception {
FreudAnalyser analyser =
Freud.iterateOver(PackageDeclaration.class)
.assertThat(
PackageDeclarationDsl.packageDeclaration().matches("com.github.freudExamples.*"))
.within(javaSources);
AnalysisListener listener = new AssertionErrorAnalysisListener();
analyser.analyse(listener);
}
public static FreudAnalyser doNotUseBigDecimalToString(
final AnalysedObjectIterator<ClassFile> iterator) {
return Freud.iterateOver(ClassFileMethod.class)
.assertThat(
no(hasMethodInvocation(BigDecimal.class, "toString"))
.and(
no(
methodInvokedWithParams(
StringBuilder.class, "append", a(BigDecimal.class)))))
.within(iterator);
}
public static FreudAnalyser doNotThrowAnyExceptions(
final AnalysedObjectIterator<ClassFile> iterator) {
return Freud.iterateOver(ClassFileMethod.class)
.assertThat(no(containsInstructions(Opcode.ATHROW)))
.within(iterator);
}
public static FreudAnalyser doNotUseBigDecimalEquals(
final AnalysedObjectIterator<ClassFile> iterator) {
return Freud.iterateOver(ClassFileMethod.class)
.assertThat(no(hasMethodInvocation(BigDecimal.class, "equals", Object.class)))
.within(iterator);
}