@Test
public void
when_transform_class_bytecode_with_save_pattern_match_byte_code_is_saved_in_saved_path()
throws IllegalClassFormatException {
RegExpClassPattern intrumentPattern =
new RegExpClassPattern(Arrays.asList(new String[] {"fr.xebia.*"}));
RegExpClassPattern savePattern =
new RegExpClassPattern(Arrays.asList(new String[] {"fr.xebia.*"}));
byte[] classToTransform = new byte[0];
// Mock transformer
Transformer mockTransformer = mock(Transformer.class);
when(mockTransformer.transform(classToTransform)).thenReturn("test".getBytes());
ASMTransformationClassFileTransfomer asmTransformationClassFileTransfomer =
new ASMTransformationClassFileTransfomer(
null,
intrumentPattern,
savePattern,
"./",
Arrays.asList(new Transformer[] {mockTransformer}));
asmTransformationClassFileTransfomer.transform(
null, "fr.xebia.MyClass", Double.class, null, classToTransform);
// assert
File resFile = new File("./" + "fr.xebia.MyClass");
assertTrue(resFile.exists());
}
@Test
public void when_transform_class_bytecode_with_pattern_match_byte_code_is_intrumented()
throws IllegalClassFormatException {
RegExpClassPattern intrumentPattern =
new RegExpClassPattern(Arrays.asList(new String[] {"fr.xebia.*"}));
byte[] classToTransform = new byte[0];
// Mock transformer
Transformer mockTransformer = mock(Transformer.class);
ASMTransformationClassFileTransfomer asmTransformationClassFileTransfomer =
new ASMTransformationClassFileTransfomer(
null, intrumentPattern, null, null, Arrays.asList(new Transformer[] {mockTransformer}));
asmTransformationClassFileTransfomer.transform(
null, "fr.xebia.MyClass", Double.class, null, classToTransform);
verify(mockTransformer).transform(classToTransform);
}
