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From 5c0a6bb69135e0fa83a1e063dfe878e5e98c1785 Mon Sep 17 00:00:00 2001
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From: Yash Mankad <ymankad@redhat.com>
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Date: Wed, 12 Dec 2018 00:14:40 +0000
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Subject: [PATCH 12/13] Bootstrap Python venv for tests
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Yash Mankad <ymankad@redhat.com>
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Message-id: <8e00545539681a5de548c444e7752894b12bc8ec.1544573601.git.ymankad@redhat.com>
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Patchwork-id: 83436
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O-Subject: [RHEL-8.0 qemu-kvm PATCH v2 6/7] Bootstrap Python venv for tests
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Bugzilla: 1655807
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RH-Acked-by: Eduardo Habkost <ehabkost@redhat.com>
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RH-Acked-by: John Snow <jsnow@redhat.com>
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RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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From: Cleber Rosa <crosa@redhat.com>
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A number of QEMU tests are written in Python, and may benefit
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from an untainted Python venv.
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By using make rules, tests that depend on specific Python libs
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can set that rule as a requirement, along with rules that require
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the presence or installation of specific libraries.
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The tests/requirements.txt is supposed to contain the Python
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requirements that should be added to the venv created by check-venv.
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Signed-off-by: Cleber Rosa <crosa@redhat.com>
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Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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Acked-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
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Reviewed-by: Caio Carrara <ccarrara@redhat.com>
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Message-Id: <20181018153134.8493-2-crosa@redhat.com>
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Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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(cherry picked from commit 213137217a60eca18e9b55817f00dfdd6eaff74a)
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Signed-off-by: Yash Mankad <ymankad@redhat.com>
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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 tests/Makefile.include | 26 ++++++++++++++++++++++++++
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 tests/requirements.txt |  3 +++
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 2 files changed, 29 insertions(+)
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 create mode 100644 tests/requirements.txt
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diff --git a/tests/Makefile.include b/tests/Makefile.include
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index 3ed8531..99a9dcd 100644
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--- a/tests/Makefile.include
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+++ b/tests/Makefile.include
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@@ -11,6 +11,7 @@ check-help:
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 	@echo " $(MAKE) check-qapi-schema    Run QAPI schema tests"
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 	@echo " $(MAKE) check-block          Run block tests"
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 	@echo " $(MAKE) check-report.html    Generates an HTML test report"
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+	@echo " $(MAKE) check-venv           Creates a Python venv for tests"
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 	@echo " $(MAKE) check-clean          Clean the tests"
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 	@echo
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 	@echo "Please note that HTML reports do not regenerate if the unit tests"
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@@ -953,6 +954,30 @@ check-decodetree:
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           ./check.sh "$(PYTHON)" "$(SRC_PATH)/scripts/decodetree.py", \
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           TEST, decodetree.py)
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+# Python venv for running tests
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+
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+.PHONY: check-venv
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+
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+TESTS_VENV_DIR=$(BUILD_DIR)/tests/venv
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+TESTS_VENV_REQ=$(SRC_PATH)/tests/requirements.txt
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+
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+$(shell $(PYTHON) -c 'import sys; assert sys.version_info >= (3,0)' >/dev/null 2>&1)
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+ifeq ($(.SHELLSTATUS),0)
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+$(TESTS_VENV_DIR): $(TESTS_VENV_REQ)
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+	$(call quiet-command, \
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+            $(PYTHON) -m venv --system-site-packages $@, \
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+            VENV, $@)
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+	$(call quiet-command, \
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+            $(TESTS_VENV_DIR)/bin/python -m pip -q install -r $(TESTS_VENV_REQ), \
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+            PIP, $(TESTS_VENV_REQ))
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+	$(call quiet-command, touch $@)
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+else
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+$(TESTS_VENV_DIR):
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+	$(error "venv directory for tests requires Python 3")
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+endif
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+
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+check-venv: $(TESTS_VENV_DIR)
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+
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 # Consolidated targets
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 .PHONY: check-qapi-schema check-qtest check-unit check check-clean
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@@ -967,6 +992,7 @@ check-clean:
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 	rm -rf $(check-unit-y) tests/*.o $(QEMU_IOTESTS_HELPERS-y)
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 	rm -rf $(sort $(foreach target,$(SYSEMU_TARGET_LIST), $(check-qtest-$(target)-y)) $(check-qtest-generic-y))
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 	rm -f tests/test-qapi-gen-timestamp
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+	rm -rf $(TESTS_VENV_DIR)
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 clean: check-clean
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diff --git a/tests/requirements.txt b/tests/requirements.txt
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new file mode 100644
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index 0000000..d39f9d1
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--- /dev/null
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+++ b/tests/requirements.txt
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@@ -0,0 +1,3 @@
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+# Add Python module requirements, one per line, to be installed
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+# in the tests/venv Python virtual environment. For more info,
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+# refer to: https://pip.pypa.io/en/stable/user_guide/#id1
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-- 
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1.8.3.1
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