.PHONY: verify-test-dir

FAILED_DIR=/tmp/vpp-failed-unittests/

verify-test-dir:
ifndef TEST_DIR
	$(error TEST_DIR is not set)
endif

.PHONY: verify-no-running-vpp

ifdef VPP_ZOMBIE_NOCHECK
VPP_PIDS=
else
VPP_PIDS=$(shell pgrep -d, -x vpp_main)
endif

ifeq ($(DEBUG),gdb)
FORCE_FOREGROUND=1
else ifeq ($(DEBUG),gdbserver)
FORCE_FOREGROUND=1
else ifeq ($(DEBUG),core)
FORCE_FOREGROUND=1
else ifeq ($(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_PROFILE_OPTS=-m cProfile $(PROFILE_OUTPUT_OPTS) -s $(PROFILE_SORT_BY)
FORCE_FOREGROUND=1
endif

verify-no-running-vpp:
	@if [ "$(VPP_PIDS)" != "" ]; then \
		echo; \
		echo "*** Existing vpp processes detected (PID(s): $(VPP_PIDS)). Running tests under these conditions is not supported. ***"; \
		echo; \
		ps -fp $(VPP_PIDS);\
		echo; \
		false; \
	fi

UNITTEST_EXTRA_OPTS=
UNITTEST_FAILFAST_OPTS=

ifeq ($(FAILFAST),1)
UNITTEST_EXTRA_OPTS=-f
endif

ifneq ($(EXTERN_TESTS),)
UNITTEST_EXTRA_OPTS=$(UNITTEST_FAILFAST_OPTS) -d $(EXTERN_TESTS)
endif

VENV_PATH=$(TEST_DIR)/run/venv

ifeq ($(TEST_DEBUG),1)
TEST_RUN_DIR:=$(VENV_PATH)/run-debug
PYTHON_EXTRA_DEPENDS=objgraph pympler
else
TEST_RUN_DIR:=$(VENV_PATH)/run
PYTHON_EXTRA_DEPENDS=
endif

PYTHON_DEPENDS=$(PYTHON_EXTRA_DEPENDS) -r requirements.txt
SCAPY_SOURCE=$(shell find $(VENV_PATH)/lib/$(PYTHON) -name site-packages)
BUILD_COV_DIR=$(TEST_DIR)/coverage

PIP_INSTALL_DONE=$(TEST_RUN_DIR)/pip-install.done
PIP_PATCH_DONE=$(TEST_RUN_DIR)/pip-patch.done
PAPI_INSTALL_DONE=$(TEST_RUN_DIR)/papi-install.done

PAPI_INSTALL_FLAGS=$(PIP_INSTALL_DONE) $(PIP_PATCH_DONE) $(PAPI_INSTALL_DONE)

ifeq ($(PYTHON),)
PYTHON_INTERP=python2.7
else
PYTHON_INTERP=$(PYTHON)
endif

$(PIP_INSTALL_DONE):
	@mkdir -p $(TEST_RUN_DIR)
	@virtualenv $(VENV_PATH) -p $(PYTHON_INTERP)
	@bash -c "source $(VENV_PATH)/bin/activate && $(PYTHON_INTERP) -m pip install $(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/*.patch ; do \
		echo Applying patch: $$(basename $$f) ; \
		patch -p1 -d $(SCAPY_SOURCE) < $$f ; \
	done
	@touch $@

$(PAPI_INSTALL_DONE): $(PIP_PATCH_DONE)
	@bash -c "source $(VENV_PATH)/bin/activate && $(PYTHON_INTERP) -m pip install -e $(WS_ROOT)/src/vpp-api/python"
	@touch $@

define retest-func
@env FORCE_FOREGROUND=$(FORCE_FOREGROUND) FAILED_DIR=$(FAILED_DIR) VENV_PATH=$(VENV_PATH) scripts/setsid_wrapper.sh $(FORCE_FOREGROUND) $(VENV_PATH)/bin/activate $(PYTHON_INTERP) $(PYTHON_PROFILE_OPTS) run_tests.py -d $(TEST_DIR) $(UNITTEST_EXTRA_OPTS) || env FAILED_DIR=$(FAILED_DIR) COMPRESS_FAILED_TEST_LOGS=$(COMPRESS_FAILED_TEST_LOGS) scripts/compress_failed.sh
endef

.PHONY: sanity

ifeq ($(SANITY),no)
SANITY_IMPORT_VPP_PAPI_CMD=true
SANITY_RUN_VPP_CMD=true
else
SANITY_IMPORT_VPP_PAPI_CMD=source $(VENV_PATH)/bin/activate && $(PYTHON_INTERP) sanity_import_vpp_papi.py
SANITY_RUN_VPP_CMD=source $(VENV_PATH)/bin/activate && $(PYTHON_INTERP) sanity_run_vpp.py
endif

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

sanity: verify-no-running-vpp
	@sys_req/dev_shm_size.sh
	@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)"
	@bash -c "$(SANITY_RUN_VPP_CMD) ||\
		(echo \"*******************************************************************\" &&\
		 echo \"* Sanity check failed, cannot run vpp\" &&\
	         echo \"*******************************************************************\" &&\
		 false)"

.PHONY: ext
ext:
	@if [ "$(EXTENDED_TESTS)" = "yes" ]; then\
		make -C ext;\
	fi

test-dep: verify-test-dir $(PAPI_INSTALL_DONE)

test: verify-test-dir $(PAPI_INSTALL_DONE) ext sanity reset
	$(call retest-func)

retest: verify-test-dir sanity reset
	$(call retest-func)

shell: verify-test-dir $(PAPI_INSTALL_DONE)
	@echo "source $(VENV_PATH)/bin/activate;\
		echo '***';\
		echo VPP_BUILD_DIR=$(VPP_BUILD_DIR);\
		echo VPP_BIN=$(VPP_BIN);\
		echo VPP_PLUGIN_PATH=$(VPP_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: wipe doc

reset:
	@rm -f /dev/shm/vpp-unittest-*
	@rm -rf /tmp/vpp-unittest-*
	@rm -rf $(FAILED_DIR)
	@mkdir $(FAILED_DIR)

wipe: reset
	@make -C ext clean
	@rm -rf $(VENV_PATH)
	@rm -f $(PAPI_INSTALL_FLAGS)

doc: verify-test-dir $(PIP_PATCH_DONE)
	@virtualenv $(VENV_PATH) -p python3
	@bash -c "source $(VENV_PATH)/bin/activate && python3 -m pip install sphinx sphinx-rtd-theme"
	@bash -c "source $(VENV_PATH)/bin/activate && make -C doc WS_ROOT=$(WS_ROOT) BR=$(BR) html"

.PHONY: wipe-doc

wipe-doc:
	@make -C doc wipe BR=$(BR)

cov: wipe-cov reset ext verify-test-dir $(PAPI_INSTALL_DONE)
	@lcov --zerocounters --directory $(VPP_BUILD_DIR)
	@test -z "$(EXTERN_COV_DIR)" || lcov --zerocounters --directory $(EXTERN_COV_DIR)
	$(call retest-func)
	@mkdir $(BUILD_COV_DIR)
	@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: checkstyle
checkstyle: verify-test-dir
	@virtualenv $(VENV_PATH) -p python3
	@bash -c "source $(VENV_PATH)/bin/activate && python3 -m pip install pycodestyle"
	@bash -c "source $(VENV_PATH)/bin/activate &&\
		pycodestyle --show-source --ignore=W504,E126,E241,E226,E305,E704,E741,E722 --exclude=$(WS_ROOT)/test/_*.py -v $(WS_ROOT)/test/*.py ||\
		(echo \"*******************************************************************\" &&\
		 echo \"* Test framework PEP8 compliance check FAILED \" &&\
	         echo \"***<style>
@media only all and (prefers-color-scheme: dark) {
.highlight .hll { background-color: #49483e }
.highlight .c { color: #75715e } /* Comment */
.highlight .err { color: #960050; background-color: #1e0010 } /* Error */
.highlight .k { color: #66d9ef } /* Keyword */
.highlight .l { color: #ae81ff } /* Literal */
.highlight .n { color: #f8f8f2 } /* Name */
.highlight .o { color: #f92672 } /* Operator */
.highlight .p { color: #f8f8f2 } /* Punctuation */
.highlight .ch { color: #75715e } /* Comment.Hashbang */
.highlight .cm { color: #75715e } /* Comment.Multiline */
.highlight .cp { color: #75715e } /* Comment.Preproc */
.highlight .cpf { color: #75715e } /* Comment.PreprocFile */
.highlight .c1 { color: #75715e } /* Comment.Single */
.highlight .cs { color: #75715e } /* Comment.Special */
.highlight .gd { color: #f92672 } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gi { color: #a6e22e } /* Generic.Inserted */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #75715e } /* Generic.Subheading */
.highlight .kc { color: #66d9ef } /* Keyword.Constant */
.highlight .kd { color: #66d9ef } /* Keyword.Declaration */
.highlight .kn { color: #f92672 } /* Keyword.Namespace */
.highlight .kp { color: #66d9ef } /* Keyword.Pseudo */
.highlight .kr { color: #66d9ef } /* Keyword.Reserved */
.highlight .kt { color: #66d9ef } /* Keyword.Type */
.highlight .ld { color: #e6db74 } /* Literal.Date */
.highlight .m { color: #ae81ff } /* Literal.Number */
.highlight .s { color: #e6db74 } /* Literal.String */
.highlight .na { color: #a6e22e } /* Name.Attribute */
.highlight .nb { color: #f8f8f2 } /* Name.Builtin */
.highlight .nc { color: #a6e22e } /* Name.Class */
.highlight .no { color: #66d9ef } /* Name.Constant */
.highlight .nd { color: #a6e22e } /* Name.Decorator */
.highlight .ni { color: #f8f8f2 } /* Name.Entity */
.highlight .ne { color: #a6e22e } /* Name.Exception */
.highlight .nf { color: #a6e22e } /* Name.Function */
.highlight .nl { color: #f8f8f2 } /* Name.Label */
.highlight .nn { color: #f8f8f2 } /* Name.Namespace */
.highlight .nx { color: #a6e22e } /* Name.Other */
.highlight .py { color: #f8f8f2 } /* Name.Property */
.highlight .nt { color: #f92672 } /* Name.Tag */
.highlight .nv { color: #f8f8f2 } /* Name.Variable */
.highlight .ow { color: #f92672 } /* Operator.Word */
.highlight .w { color: #f8f8f2 } /* Text.Whitespace */
.highlight .mb { color: #ae81ff } /* Literal.Number.Bin */
.highlight .mf { color: #ae81ff } /* Literal.Number.Float */
.highlight .mh { color: #ae81ff } /* Literal.Number.Hex */
.highlight .mi { color: #ae81ff } /* Literal.Number.Integer */
.highlight .mo { color: #ae81ff } /* Literal.Number.Oct */
.highlight .sa { color: #e6db74 } /* Literal.String.Affix */
.highlight .sb { color: #e6db74 } /* Literal.String.Backtick */
.highlight .sc { color: #e6db74 } /* Literal.String.Char */
.highlight .dl { color: #e6db74 } /* Literal.String.Delimiter */
.highlight .sd { color: #e6db74 } /* Literal.String.Doc */
.highlight .s2 { color: #e6db74 } /* Literal.String.Double */
.highlight .se { color: #ae81ff } /* Literal.String.Escape */
.highlight .sh { color: #e6db74 } /* Literal.String.Heredoc */
.highlight .si { color: #e6db74 } /* Literal.String.Interpol */
.highlight .sx { color: #e6db74 } /* Literal.String.Other */
.highlight .sr { color: #e6db74 } /* Literal.String.Regex */
.highlight .s1 { color: #e6db74 } /* Literal.String.Single */
.highlight .ss { color: #e6db74 } /* Literal.String.Symbol */
.highlight .bp { color: #f8f8f2 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #a6e22e } /* Name.Function.Magic */
.highlight .vc { color: #f8f8f2 } /* Name.Variable.Class */
.highlight .vg { color: #f8f8f2 } /* Name.Variable.Global */
.highlight .vi { color: #f8f8f2 } /* Name.Variable.Instance */
.highlight .vm { color: #f8f8f2 } /* Name.Variable.Magic */
.highlight .il { color: #ae81ff } /* Literal.Number.Integer.Long */
}
@media (prefers-color-scheme: light) {
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.hi