aboutsummaryrefslogtreecommitdiffstats
path: root/test/Makefile
blob: 87b121ac11f7d2fc306031dfd0925b62c9e11ef1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
ASAN_OPTIONS?=verify_asan_link_order=0:detect_leaks=0:abort_on_error=1:unmap_shadow_on_exit=1:disable_coredump=0
export ASAN_OPTIONS

.PHONY: verify-env
verify-env:
ifndef WS_ROOT
	$(error WS_ROOT is not set)
endif
ifndef BR
	$(error BR is not set)
endif
ifndef TEST_DIR
	$(error TEST_DIR is not set)
endif

export TEST_BR = $(TEST_DIR)
FAILED_DIR=/tmp/vpp-failed-unittests/
VPP_TEST_DIRS=$(shell ls -d $(TEST_DIR) $(EXTERN_TESTS))

FORCE_NO_WIPE=0
ifeq ($(DEBUG),gdb)
FORCE_FOREGROUND=1
else ifeq ($(DEBUG),gdbserver)
FORCE_FOREGROUND=1
else ifeq ($(DEBUG),gdb-all)
FORCE_FOREGROUND=1
else ifeq ($(DEBUG),gdbserver-all)
FORCE_FOREGROUND=1
else ifeq ($(DEBUG),core)
FORCE_FOREGROUND=1
else ifeq ($(DEBUG),attach)
FORCE_FOREGROUND=1
FORCE_NO_WIPE=1
else ifeq ($(STEP),yes)
FORCE_FOREGROUND=1
else ifeq ($(STEP),y)
FORCE_FOREGROUND=1
else ifeq ($(STEP),1)
FORCE_FOREGROUND=1
else
FORCE_FOREGROUND=0
endif

ifdef PROFILE_OUTPUT
PROFILE_OUTPUT_OPTS=-o $(PROFILE_OUTPUT)
endif

ifndef PROFILE_SORT_BY
PROFILE_SORT_BY=cumtime
endif

ifeq ($(PROFILE),1)
PYTHON_OPTS="-m cProfile $(PROFILE_OUTPUT_OPTS) -s $(PROFILE_SORT_BY)"
FORCE_FOREGROUND=1
endif

VENV_BR_DIR=$(BR)/test
VENV_PATH=$(VENV_BR_DIR)/venv

ifeq ($(TEST_DEBUG),1)
VENV_RUN_DIR:=$(VENV_PATH)/run-debug
else
VENV_RUN_DIR:=$(VENV_PATH)/run
endif

ifeq ($(PYTHON),)
PYTHON_INTERP=python3
else
PYTHON_INTERP=$(PYTHON)
endif

ifeq ($(V),)
V=0
endif

PYTHON_VERSION=$(shell $(PYTHON_INTERP) -c 'import sys; print(sys.version_info.major)')
PIP_VERSION=22.0.4
# Keep in sync with requirements.txt
PIP_TOOLS_VERSION=6.6.0
PIP_SETUPTOOLS_VERSION=62.1.0
PYTHON_DEPENDS=requirements-$(PYTHON_VERSION).txt
SCAPY_SOURCE=$(shell find $(VENV_PATH)/lib/python* -name site-packages)
BUILD_COV_DIR=$(TEST_BR)/coverage

PIP_TOOLS_INSTALL_DONE=$(VENV_RUN_DIR)/pip-tools-install-$(PYTHON_VERSION)-$(PIP_TOOLS_VERSION).done
PIP_INSTALL_DONE=$(VENV_RUN_DIR)/pip-install-$(PYTHON_VERSION)-$(PIP_VERSION).done
PIP_PATCH_DONE=$(VENV_RUN_DIR)/pip-patch-$(PYTHON_VERSION).done
PAPI_INSTALL_DONE=$(VENV_RUN_DIR)/papi-install-$(PYTHON_VERSION).done
PAPI_PYTHON_SRC_DIR=$(WS_ROOT)/src/vpp-api/python
PAPI_WIPE_DIST=$(WS_ROOT)/src/vpp-api/vapi/__pycache__ \
	$(PAPI_PYTHON_SRC_DIR)/build \
	$(PAPI_PYTHON_SRC_DIR)/vpp_papi.egg-info \
	$(PAPI_PYTHON_SRC_DIR)/vpp_papi/__pycache__

$(PIP_TOOLS_INSTALL_DONE):
	@rm -rf $(VENV_PATH)
	@mkdir -p $(VENV_RUN_DIR)
	@$(PYTHON_INTERP) -m venv $(VENV_PATH)
	# pip version pinning
	@bash -c "source $(VENV_PATH)/bin/activate && \
		  python3 -m pip install pip===$(PIP_VERSION)"
	@bash -c "source $(VENV_PATH)/bin/activate && \
		  python3 -m pip install pip-tools===$(PIP_TOOLS_VERSION)"
	@bash -c "source $(VENV_PATH)/bin/activate && \
		  python3 -m pip install setuptools===$(PIP_SETUPTOOLS_VERSION)"
	@touch $@

$(PYTHON_DEPENDS): requirements.txt
	@bash -c "source $(VENV_PATH)/bin/activate && \
		  CUSTOM_COMPILE_COMMAND='make test-refresh-deps (or update requirements.txt)' \
		  python3 -m piptools compile -q --generate-hashes requirements.txt --output-file $@"

$(PIP_INSTALL_DONE): $(PIP_TOOLS_INSTALL_DONE) $(PYTHON_DEPENDS)
	@bash -c "source $(VENV_PATH)/bin/activate && \
		  python3 -m piptools sync $(PYTHON_DEPENDS)"
	@touch $@

$(PIP_PATCH_DONE): $(PIP_INSTALL_DONE)
	@echo --- patching ---
	@sleep 1 # Ensure python recompiles patched *.py files -> *.pyc
	for f in $(CURDIR)/patches/scapy-2.4.3/*.patch ; do \
		echo Applying patch: $$(basename $$f) ; \
		patch --forward -p1 -d $(SCAPY_SOURCE) < $$f ; \
		retCode=$$?; \
		[ $$retCode -gt 1 ] && exit $$retCode; \
	done; \
	touch $@

$(PAPI_INSTALL_DONE): $(PIP_PATCH_DONE)
	@bash -c "source $(VENV_PATH)/bin/activate && python3 -m pip install -e $(PAPI_PYTHON_SRC_DIR)"
	@touch $@

.PHONY: refresh-deps
refresh-deps: clean-deps $(PYTHON_DEPENDS)

.PHONY: clean-deps
clean-deps:
	@rm -f $(PYTHON_DEPENDS)

INTERN_PLUGIN_SRC_DIR=$(WS_ROOT)/src/plugins
ifneq ($(EXTERN_PLUGIN_SRC_DIR),)
PLUGIN_SRC_DIR=$(EXTERN_PLUGIN_SRC_DIR)
else
PLUGIN_SRC_DIR=$(INTERN_PLUGIN_SRC_DIR)
endif

.PHONY: sanity

ifndef TEST_JOBS
PARALLEL_ILLEGAL=0
TEST_JOBS=1
else ifeq ($(FORCE_FOREGROUND),0)
PARALLEL_ILLEGAL=0
else ifneq ($(findstring $(TEST_JOBS),1 auto),)
PARALLEL_ILLEGAL=0
else
PARALLEL_ILLEGAL=1
endif

ifneq ($(DEBUG),)
SANITY=no
endif

ifneq ($(findstring $(SANITY),0 n no),)
SANITY_IMPORT_VPP_PAPI_CMD=true
ARG0=
else
SANITY_IMPORT_VPP_PAPI_CMD=source $(VENV_PATH)/bin/activate && $(PYTHON_INTERP) sanity_import_vpp_papi.py
ARG0=--sanity
endif

ARG1=
ifneq ($(findstring $(FAILFAST),1 y yes),)
ARG1=--failfast
endif

ARG2=
ifneq ($(findstring $(EXTENDED_TESTS),1 y yes),)
ARG2=--extended
endif

ARG3=
ifneq ($(EXTERN_TESTS),)
ARG3=--test-src-dir $(EXTERN_TESTS)
endif

ARG4=
ifneq ($(findstring $(FORCE_FOREGROUND),1 y yes),)
ARG4=--force-foreground
endif

ARG5=
ifneq ($(findstring $(COREDUMP_COMPRESS),1 y yes),)
ARG5=--compress-core
endif

ARG6=
ifneq ($(findstring $(STEP),1 y yes),)
ARG6=--step
endif

ARG7=
ifneq ($(findstring $(TESTS_GCOV),1 y yes),)
ARG7=--gcov
endif

ARG8=
ifneq ($(EXTERN_PLUGINS),)
ARG8=--extern-plugin-dir=$(EXTERN_PLUGINS)
endif

ARG9=
ifneq ($(DEBUG),)
ARG9=--debug=$(DEBUG)
endif

ARG10=
ifneq ($(COREDUMP_SIZE),)
ARG10=--coredump-size=$(COREDUMP_SIZE)
endif

ARG11=
ifneq ($(VARIANT),)
ARG11=--variant=$(VARIANT)
endif

ARG12=--cache-vpp-output
ifneq ($(findstring $(CACHE_OUTPUT),0 n no),)
ARG12=
endif

ARG13=
ifneq ($(MAX_VPP_CPUS),)
ARG13=--max-vpp-cpus=$(MAX_VPP_CPUS)
endif

ARG14=
ifneq ($(TIMEOUT),)
ARG14=--timeout=$(TIMEOUT)
endif

ARG15=
ifneq ($(findstring $(TEST_DEBUG),1 y yes),)
ARG15=--debug-framework
endif

ARG16=
ifneq ($(findstring $(API_FUZZ),1 y yes),)
ARG16=--api-fuzz=on
endif

EXTRA_ARGS=$(ARG0) $(ARG1) $(ARG2) $(ARG3) $(ARG4) $(ARG5) $(ARG6) $(ARG7) $(ARG8) $(ARG9) $(ARG10) $(ARG11) $(ARG12) $(ARG13) $(ARG14) $(ARG15) $(ARG16)

RUN_TESTS_ARGS=--failed-dir=$(FAILED_DIR) --verbose=$(V) --jobs=$(TEST_JOBS) --filter=$(TEST) --retries=$(RETRIES) --venv-dir=$(VENV_PATH) --vpp-ws-dir=$(WS_ROOT) --vpp-tag=$(TAG) --rnd-seed=$(RND_SEED) --vpp-worker-count="$(VPP_WORKER_COUNT)" --keep-pcaps $(PLUGIN_PATH_ARGS) $(TEST_PLUGIN_PATH_ARGS) $(EXTRA_ARGS)
RUN_SCRIPT_ARGS=--python-opts=$(PYTHON_OPTS)

define retest-func
@scripts/run.sh $(RUN_SCRIPT_ARGS) $(RUN_TESTS_ARGS) || env FAILED_DIR=$(FAILED_DIR) COMPRESS_FAILED_TEST_LOGS=$(COMPRESS_FAILED_TEST_LOGS) scripts/compress_failed.sh
endef

sanity: test-dep
	@bash -c "test $(PARALLEL_ILLEGAL) -eq 0 ||\
	    (echo \"*******************************************************************\" &&\
		 echo \"* Sanity check failed, TEST_JOBS is not 1 or 'auto' and DEBUG, STEP or PROFILE is set\" &&\
	         echo \"*******************************************************************\" &&\
		 false)"
	@bash -c "$(SANITY_IMPORT_VPP_PAPI_CMD) ||\
		(echo \"*******************************************************************\" &&\
		 echo \"* Sanity check failed, cannot import vpp_papi\" &&\
		 echo \"* to debug: \" &&\
		 echo \"* 1. enter test shell:   make test-shell\" &&\
		 echo \"* 2. execute debugger:   gdb python -ex 'run sanity_import_vpp_papi.py'\" &&\
	         echo \"*******************************************************************\" &&\
		 false)"

$(FAILED_DIR): reset
	@mkdir -p $@

.PHONY: test-dep
test-dep: $(PAPI_INSTALL_DONE) $(FAILED_DIR)

.PHONY: test
test: test-dep sanity
	$(call retest-func)

.PHONY: retest
retest: verify-env sanity $(FAILED_DIR)
	$(call retest-func)

.PHONY: shell
shell: test-dep
	@echo "source $(VENV_PATH)/bin/activate;\
		export RND_SEED=$(RND_SEED);\
		echo '***';\
		echo PYTHONPATH=$(PYTHONPATH);\
		echo RND_SEED=$(RND_SEED);\
		echo VPP_BUILD_DIR=$(VPP_BUILD_DIR);\
		echo VPP_PLUGIN_PATH=$(VPP_PLUGIN_PATH);\
		echo VPP_TEST_PLUGIN_PATH=$(VPP_TEST_PLUGIN_PATH);\
		echo VPP_INSTALL_PATH=$(VPP_INSTALL_PATH);\
		echo EXTERN_TESTS=$(EXTERN_TESTS);\
		echo EXTERN_PLUGINS=$(EXTERN_PLUGINS);\
        echo EXTERN_COV_DIR=$(EXTERN_COV_DIR);\
		echo LD_LIBRARY_PATH=$(LD_LIBRARY_PATH);\
		echo '***';\
		exec </dev/tty" | bash -i

.PHONY: reset
reset:
	@rm -f /dev/shm/vpp-unittest-*
	@if [ $(FORCE_NO_WIPE) -eq "0" ] ; then rm -rf /tmp/vpp-unittest-*;  fi
	@rm -f /tmp/api_post_mortem.*
	@rm -rf $(FAILED_DIR)
	@rm -rf /tmp/vpp-vm-tests

.PHONY: wipe
wipe: reset
	@rm -rf $(VENV_BR_DIR)
	@rm -rf $(patsubst %,%/__pycache__, $(VPP_TEST_DIRS))

$(BUILD_COV_DIR):
	@mkdir -p $@

.PHONY: cov
cov: wipe-cov test-dep ext $(BUILD_COV_DIR)
	@lcov --zerocounters --directory $(VPP_BUILD_DIR)
	@test -z "$(EXTERN_COV_DIR)" || lcov --zerocounters --directory $(EXTERN_COV_DIR)
	$(call retest-func)
	@lcov --capture --directory $(VPP_BUILD_DIR) --output-file $(BUILD_COV_DIR)/coverage.info
	@test -z "$(EXTERN_COV_DIR)" || lcov --capture --directory $(EXTERN_COV_DIR) --output-file $(BUILD_COV_DIR)/extern-coverage.info
	@genhtml $(BUILD_COV_DIR)/coverage.info --output-directory $(BUILD_COV_DIR)/html
	@test -z "$(EXTERN_COV_DIR)" || genhtml $(BUILD_COV_DIR)/extern-coverage.info --output-directory $(BUILD_COV_DIR)/extern-html
	@echo
	@echo "Build finished. Code coverage report is in $(BUILD_COV_DIR)/html/index.html"
	@test -z "$(EXTERN_COV_DIR)" || echo "Code coverage report for out-of-tree objects is in $(BUILD_COV_DIR)/extern-html/index.html"

.PHONY: wipe-cov
wipe-cov: wipe
	@rm -rf $(BUILD_COV_DIR)

.PHONY: wipe-papi
wipe-papi:
	@rm -rf $(PAPI_INSTALL_DONE) $(PAPI_WIPE_DIST)

.PHONY: wipe-all
wipe-all: wipe wipe-papi wipe-cov
	@rm -rf $(TEST_BR)

.PHONY: start-gdb
start-gdb: sanity
	@bash -c "source $(VENV_PATH)/bin/activate && python3 -c 'from debug import start_vpp_in_gdb; start_vpp_in_gdb()' $(RUN_TESTS_ARGS)"

.PHONY: checkstyle-python-all
checkstyle-python-all: $(PIP_INSTALL_DONE)
	@bash -c "source $(VENV_PATH)/bin/activate &&\
		black -t py39 --check --diff $(WS_ROOT) ||\
		(echo \"*************************************************************************\" &&\
		echo \"* Test framework PEP8 compliance check FAILED (maybe: make fixstyle-python)\" &&\
		echo \"*************************************************************************\" &&\
		false)"
	@echo "*******************************************************************"
	@echo "* Test framework PEP8 compliance check passed"
	@echo "*******************************************************************"

.PHONY: checkstyle
checkstyle: checkstyle-python-all

.PHONY: fixstyle-python-all
fixstyle-python-all: $(PIP_INSTALL_DONE)
	@bash -c "source $(VENV_PATH)/bin/activate &&\
		black -t py39 $(WS_ROOT) ||\
		(echo \"*************************************************************************\" &&\
		echo \"* Test framework PEP8 compliance check FAILED (maybe: make fixstyle-python)\" &&\
		echo \"*************************************************************************\" &&\
		false)"
	@echo "*******************************************************************"
	@echo "* Test framework PEP8 compliance check passed"
	@echo "*******************************************************************"

.PHONY: help
help:
	@echo "Running tests:"
	@echo ""
	@echo " test                   - build and run (basic) functional tests"
	@echo " test-debug             - build and run (basic) functional tests (debug build)"
	@echo " test-all               - build and run functional and extended tests"
	@echo " test-all-debug         - build and run functional and extended tests (debug build)"
	@echo " retest                 - run functional tests"
	@echo " retest-debug           - run functional tests (debug build)"
	@echo " retest-all             - run functional and extended tests"
	@echo " retest-all-debug       - run functional and extended tests (debug build)"
	@echo " test-cov               - generate code coverage report for test framework"
	@echo " test-gcov                      - build and run functional tests (gcov build)"
	@echo " test-wipe              - wipe (temporary) files generated by unit tests"
	@echo " test-wipe-cov          - wipe code coverage report for test framework"
	@echo " test-wipe-papi         - rebuild vpp_papi sources"
	@echo " test-wipe-all          - wipe (temporary) files generated by unit tests, and coverage"
	@echo " test-shell             - enter shell with test environment"
	@echo " test-shell-debug       - enter shell with test environment (debug build)"
	@echo " test-refresh-deps      - refresh the Python dependencies for the tests"
	@echo ""
	@echo "Arguments controlling test runs:"
	@echo ""
	@echo " V=[0|1|2]              - set test verbosity level"
	@echo "                          0=ERROR, 1=INFO, 2=DEBUG"
	@echo " TEST_JOBS=[<n>|auto]   - use at most <n> parallel python processes for test execution, if auto, set to number of available cpus (default: 1)"
	@echo " MAX_VPP_CPUS=[<n>|auto]- use at most <n> cpus for running vpp main and worker threads, if auto, set to number of available cpus (default: auto)"
	@echo " CACHE_OUTPUT=[0|n|no]  - disable cache VPP stdout/stderr and log as one block after test finishes (default: yes)"
	@echo " FAILFAST=[1|y|yes]     - fail fast if 1, otherwise complete all tests"
	@echo " TIMEOUT=<timeout>      - fail test suite if any single test takes longer than <timeout> (in seconds) to finish (default: 600)"
	@echo " RETRIES=<n>            - retry failed tests <n> times"
	@echo " DEBUG=<type>           - set VPP debugging kind"
	@echo "    DEBUG=core          - detect coredump and load it in gdb on crash"
	@echo "    DEBUG=gdb           - allow easy debugging by printing VPP PID"
	@echo "                          and waiting for user input before running"
	@echo "                          and tearing down a testcase"
	@echo "    DEBUG=gdbserver     - run gdb inside a gdb server, otherwise"
	@echo "                          same as above"
	@echo "    DEBUG=attach        - attach test case to already running vpp in gdb (see test-start-vpp-in-gdb)"
	@echo " STEP=[1|y|yes]         - enable stepping through a testcase (for testcase debugging)"
	@echo " SANITY=[0|n|no]        - disable sanity import of vpp-api/sanity vpp run before running tests"
	@echo " EXTENDED_TESTS=[1|y|yes] - run extended tests"
	@echo " TEST=<filter>          - filter the set of tests:"
	@echo "    by file-name        - only run tests from specified file, e.g. TEST=test_bfd selects all tests from test_bfd.py"
	@echo "    by file-suffix      - same as file-name, but 'test_' is omitted e.g. TEST=bfd selects all tests from test_bfd.py"
	@echo "    by wildcard         - wildcard filter is <file>.<class>.<test function>, each can be replaced by '*'"
	@echo "                          e.g. TEST='test_bfd.*.*' is equivalent to above example of filter by file-name"
	@echo "                               TEST='bfd.*.*' is equivalent to above example of filter by file-suffix"
	@echo "                               TEST='bfd.BFDAPITestCase.*' selects all tests from test_bfd.py which are part of BFDAPITestCase class"
	@echo "                               TEST='bfd.BFDAPITestCase.test_add_bfd' selects a single test named test_add_bfd from test_bfd.py/BFDAPITestCase"
	@echo "                               TEST='*.*.test_add_bfd' selects all test functions named test_add_bfd from all files/classes"
	@echo " VARIANT=<variant>      - specify which march node variant to unit test"
	@echo "                          e.g. VARIANT=skx test the skx march variants"
	@echo "                          e.g. VARIANT=icl test the icl march variants"
	@echo " COREDUMP_SIZE=<size>   - pass <size> as unix { coredump-size <size> } argument to vpp"
	@echo "                          e.g. COREDUMP_SIZE=4g"
	@echo "                               COREDUMP_SIZE=unlimited"
	@echo " COREDUMP_COMPRESS=[1|y|yes] - compress core files if not debugging them"
	@echo " EXTERN_TESTS=<path>    - path to out-of-tree test_<name>.py files containing test cases"
	@echo " EXTERN_PLUGINS=<path>  - path to out-of-tree plugins to be loaded by vpp under test"
	@echo " EXTERN_COV_DIR=<path>  - path to out-of-tree prefix, where source, object and .gcda files can be found for coverage report"
	@echo " PROFILE=[1|y|yes]      - enable profiling of test framework via cProfile module"
	@echo " PROFILE_SORT_BY=opt    - sort profiling report by opt - consult cProfile documentation for possible values (default: cumtime)"
	@echo " PROFILE_OUTPUT=file    - output profiling info to file - use absolute path (default: stdout)"
	@echo " TEST_DEBUG=[1|y|yes]   - enable debugging of the test framework itself (expert)"
	@echo " API_FUZZ=[1|y|yes]     - enable VPP api fuzz testing"
	@echo " RND_SEED=<seed>        - Seed RND with given seed"
	@echo ""
	@echo "Starting VPP in GDB for use with DEBUG=attach:"
	@echo ""
	@echo " test-start-vpp-in-gdb       - start VPP in gdb (release)"
	@echo " test-start-vpp-debug-in-gdb - start VPP in gdb (debug)"
	@echo ""
	@echo "Creating test code coverage report:"
	@echo ""
	@echo " test-cov               - generate code coverage report for test framework"
	@echo " test-wipe-cov          - wipe code coverage report for test framework"