test/coverage: create bat subset

test/Makefile

@@ -59,7 +59,7 @@ test:
 	  $(MAKE) -C $$dir test; \
 	done
 
-coverage:
+test-coverage:
 	# delete trace data
 	rm -f coverage.info
 	find . -name "*.gcda" -type f -delete
@@ -68,9 +68,23 @@ coverage:
 	# run tests
 	make test
 	# collect traces
-	lcov --capture --rc lcov_branch_coverage=1 --directory . --exclude "/Applications/*" --exclude "/Library/*" --exclude "/usr/*" --exclude "*/3rd-party/tinydir/*" --exclude "*/platform/posix/*" --exclude "*/test/*" --output-file coverage.info
+	lcov --capture --rc lcov_branch_coverage=1 --directory . --exclude "/Applications/*" --exclude "/Library/*" --exclude "/usr/*" --exclude "*/test/*" --output-file coverage-unit.info
+
+coverage: test-coverage
+
+	# TODO: download pts coverage
+	# ...
+	# combine unit and pts
+	# lcov --rc lcov_branch_coverage=1  -a coverage-pts.info -a coverage-unit.info --output-file coverage.info
+	cp coverage-unit.info coverage.info
+
+	# create bat subset
+	./coverage_subset_bat.py coverage.info coverage-bat.info
+
 	# generate html output
-	genhtml coverage.info --branch-coverage --output-directory coverage-html
+	genhtml coverage-unit.info --branch-coverage --output-directory coverage-unit
+	genhtml coverage-bat.info  --branch-coverage --output-directory coverage-bat
+	genhtml coverage.info      --branch-coverage --output-directory coverage
 
 coverage-freertos-ble:
 	./coverage_filter.py src/mesh src/classic

test/coverage_subset_bat.py

@@ -0,0 +1,76 @@
+#!/usr/bin/env python3
+#
+# Filter coverage reported by lcov
+#
+# Copyright 2020 BlueKitchen GmbH
+#
+
+import sys
+
+blacklist = [
+    '/opt/local',
+    '3rd-party/yxml',
+    '3rd-party/tinydir',
+    'platform/embedded/btstack_audio_embedded.c',
+    'platform/embedded/btstack_em9304_spi_embedded.c',
+    'platform/libusb',
+    'platform/posix',
+    'src/ble/ancs_client.c',
+    'src/ble/le_device_db_memory.c',
+    'src/ble/gatt-service/cycling_power_service_server.c',
+    'src/ble/gatt-service/cycling_speed_and_cadence_service_server.c',
+    'src/ble/gatt-service/heart_rate_service_server.c',
+    'src/ble/gatt-service/hids_device.c',
+    'src/ble/gatt-service/nordic_spp_service_server.c',
+    'src/ble/gatt-service/ublox_spp_service_server.c',
+    'src/btstack_audio.c',
+    'src/btstack_base64_decoder.c',
+    'src/btstack_event.h',
+    'src/btstack_hid_parser.c',
+    'src/btstack_resample.c',
+    'src/btstack_slip.c',
+    'src/hci_transport_em9304_spi.c',
+    'src/hci_transport_h5.c',
+    'src/mesh/',
+    'src/classic',
+]
+
+def include_file(filename):
+    for pattern in blacklist:
+        if pattern in filename:
+            print("Skip " + filename)
+            return False
+    return True
+
+if len(sys.argv) != 3:
+    print ('lcov .info filter')
+    print ('Usage: ', sys.argv[0], 'input.info output.info')
+    exit(0)
+
+infile = sys.argv[1]
+outfile = sys.argv[2]
+
+with open(infile, 'rt') as fin:
+    with open(outfile, 'wt') as fout:
+        mirror = False
+        read_tn = False
+        for line in fin:
+            line = line.strip()
+            if line == 'TN:':
+                read_tn = True
+                continue
+            if line == 'end_of_record':
+                if mirror:
+                    fout.write(line+'\n')
+                mirror = False
+                continue
+            parts = line.split(':')
+            if len(parts) == 2 and parts[0] == 'SF':
+                filename = parts[1]
+                mirror = include_file(filename)
+                if mirror and read_tn:
+                    fout.write("TN:\n")
+                    read_tn = False
+            if not mirror:
+                continue
+            fout.write(line+"\n")