# # Copyright (C) 2017 The Android Open Source Project # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. #
# This file sets up Java code coverage via Jacoco # This file is only intended to be included internally by the build system # (at the time of authorship, it is included by java.mk and # java_host_library.mk)
# determine Jacoco include/exclude filters even when coverage is not enabled # to get syntax checking on LOCAL_JACK_COVERAGE_(INCLUDE|EXCLUDE)_FILTER # copy filters from Jack but also skip some known java packages
my_include_filter := $(strip $(LOCAL_JACK_COVERAGE_INCLUDE_FILTER))
my_exclude_filter := $(strip $(DEFAULT_JACOCO_EXCLUDE_FILTER),$(LOCAL_JACK_COVERAGE_EXCLUDE_FILTER))
# single-quote each arg of the include args so the '*' gets evaluated by zip # don't quote the exclude args they need to be evaluated by bash for rm -rf
my_include_args := $(foreach arg,$(my_include_args),'$(arg)')
# make a task that unzips the classes that we want to instrument from the # input jar
my_unzipped_path := $(my_files)/work/classes-to-instrument/classes
my_unzipped_timestamp_path := $(my_files)/work/classes-to-instrument/updated.stamp
$(my_unzipped_timestamp_path): PRIVATE_UNZIPPED_PATH := $(my_unzipped_path)
$(my_unzipped_timestamp_path): PRIVATE_UNZIPPED_TIMESTAMP_PATH := $(my_unzipped_timestamp_path)
$(my_unzipped_timestamp_path): PRIVATE_INCLUDE_ARGS := $(my_include_args)
$(my_unzipped_timestamp_path): PRIVATE_EXCLUDE_ARGS := $(my_exclude_args)
$(my_unzipped_timestamp_path): PRIVATE_FULL_CLASSES_PRE_JACOCO_JAR := $(LOCAL_FULL_CLASSES_PRE_JACOCO_JAR)
$(my_unzipped_timestamp_path): $(LOCAL_FULL_CLASSES_PRE_JACOCO_JAR) rm -rf $(PRIVATE_UNZIPPED_PATH) $@
mkdir -p $(PRIVATE_UNZIPPED_PATH)
unzip -qDD $(PRIVATE_FULL_CLASSES_PRE_JACOCO_JAR) \
-d $(PRIVATE_UNZIPPED_PATH) \
$(PRIVATE_INCLUDE_ARGS)
chmod -R =rwX $(PRIVATE_UNZIPPED_PATH)
(cd $(PRIVATE_UNZIPPED_PATH) && rm -rf $(PRIVATE_EXCLUDE_ARGS))
(cd $(PRIVATE_UNZIPPED_PATH) && find -not -name "*.class" -type f -exec rm {} \;)
touch $(PRIVATE_UNZIPPED_TIMESTAMP_PATH) # Unfortunately in the previous task above, # 'rm -rf $(PRIVATE_EXCLUDE_ARGS)' needs to be a separate # shell command after 'unzip'. # We can't just use the '-x' (exclude) option of 'unzip' because if both # inclusions and exclusions are specified and an exclusion matches no # inclusions, then 'unzip' exits with an error (error 11). # We could ignore the error, but that would make the process less reliable
# make a task that zips only the classes that will be instrumented # (for passing in to the report generator later)
my_classes_to_report_on_path := $(my_files)/report-resources/jacoco-report-classes.jar
$(my_classes_to_report_on_path): PRIVATE_UNZIPPED_PATH := $(my_unzipped_path)
$(my_classes_to_report_on_path): $(my_unzipped_timestamp_path) rm -f $@
zip -q $@ \
-r $(PRIVATE_UNZIPPED_PATH)
# make a task that zips both the instrumented classes and the uninstrumented # classes (this jar is the instrumented application to execute)
my_temp_jar_path := $(my_files)/work/usable.jar
LOCAL_FULL_CLASSES_JACOCO_JAR := $(intermediates.COMMON)/classes-jacoco.jar
$(LOCAL_FULL_CLASSES_JACOCO_JAR): PRIVATE_TEMP_JAR_PATH := $(my_temp_jar_path)
$(LOCAL_FULL_CLASSES_JACOCO_JAR): PRIVATE_INSTRUMENTED_PATH := $(my_instrumented_path)
$(LOCAL_FULL_CLASSES_JACOCO_JAR): PRIVATE_FULL_CLASSES_PRE_JACOCO_JAR := $(LOCAL_FULL_CLASSES_PRE_JACOCO_JAR)
$(LOCAL_FULL_CLASSES_JACOCO_JAR): $(JAR_ARGS)
$(LOCAL_FULL_CLASSES_JACOCO_JAR): $(my_instrumented_timestamp_path) $(LOCAL_FULL_CLASSES_PRE_JACOCO_JAR) rm -f $@ $(PRIVATE_TEMP_JAR_PATH) # copy the pre-jacoco jar (containing files excluded from instrumentation) cp $(PRIVATE_FULL_CLASSES_PRE_JACOCO_JAR) $(PRIVATE_TEMP_JAR_PATH) # copy instrumented files back into the resultant jar
$(JAR) -uf $(PRIVATE_TEMP_JAR_PATH) $(call jar-args-sorted-files-in-directory,$(PRIVATE_INSTRUMENTED_PATH))
mv $(PRIVATE_TEMP_JAR_PATH) $@
# this is used to trigger $(my_classes_to_report_on_path) to build # when $(LOCAL_FULL_CLASSES_JACOCO_JAR) builds, but it isn't truly a # dependency.
$(LOCAL_FULL_CLASSES_JACOCO_JAR): $(my_classes_to_report_on_path)
