Merge remote-tracking branch 'remotes/ehabkost/tags/python-next-pull-request' into staging

Python queue, 2019-01-17

Fixes:
* Actually test different Python versions on Travis CI
* Fix qemu.py error message when qemu dies from signal

Cleanups:
* Track Python version on config-host.mak
* Remove fixed crashes from scripts/device-crash-test
* Acceptance tests: Linux initrd checking test
* Fix utf-8 mangling at scripts/replay-dump.py
* Remove unused python imports from multiple scripts

# gpg: Signature made Thu 17 Jan 2019 20:16:41 GMT
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/python-next-pull-request:
  scripts/replay-dump.py: fix utf-8 mangling
  qemu.py: Fix error message when qemu dies from signal
  Acceptance tests: add Linux initrd checking test
  check-help: visual and content improvements
  Travis CI: make specified Python versions usable on jobs
  check-venv: use recorded Python version
  configure: keep track of Python version
  scripts: Remove unused python imports
  scripts/device-crash-test: Remove known crashes

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

2 files changed, 54 insertions, 5 deletions

diff --git a/tests/Makefile.include b/tests/Makefile.include
index 52ac19e..eaa81ee 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -3,7 +3,8 @@
 check-help:
 	@echo "Regression testing targets:"
 	@echo
-	@echo " $(MAKE) check                Run all tests"
+	@echo " $(MAKE) check                Run unit, qapi-schema, qtest and decodetree"
+	@echo
 	@echo " $(MAKE) check-qtest-TARGET   Run qtest tests for given target"
 	@echo " $(MAKE) check-qtest          Run qtest tests"
 	@echo " $(MAKE) check-unit           Run qobject tests"
@@ -12,12 +13,13 @@ check-help:
 	@echo " $(MAKE) check-block          Run block tests"
 	@echo " $(MAKE) check-tcg            Run TCG tests"
 	@echo " $(MAKE) check-acceptance     Run all acceptance (functional) tests"
+	@echo
 	@echo " $(MAKE) check-report.html    Generates an HTML test report"
 	@echo " $(MAKE) check-venv           Creates a Python venv for tests"
-	@echo " $(MAKE) check-clean          Clean the tests"
+	@echo " $(MAKE) check-clean          Clean the tests and related data"
 	@echo
 	@echo "Please note that HTML reports do not regenerate if the unit tests"
-	@echo "has not changed."
+	@echo "have not changed."
 	@echo
 	@echo "The variable SPEED can be set to control the gtester speed setting."
 	@echo "Default options are -k and (for $(MAKE) V=1) --verbose; they can be"
@@ -958,8 +960,7 @@ TESTS_RESULTS_DIR=$(BUILD_DIR)/tests/results
 # information please refer to "avocado --help".
 AVOCADO_SHOW=none
 
-PYTHON3 = $(shell $(PYTHON) -c 'import sys; print(1 if sys.version_info >= (3, 0) else 0)')
-ifeq ($(PYTHON3), 1)
+ifneq ($(findstring v2,"v$(PYTHON_VERSION)"),v2)
 $(TESTS_VENV_DIR): $(TESTS_VENV_REQ)
 	$(call quiet-command, \
             $(PYTHON) -m venv --system-site-packages $@, \
diff --git a/tests/acceptance/linux_initrd.py b/tests/acceptance/linux_initrd.py
new file mode 100644
index 0000000..737355c
--- /dev/null
+++ b/tests/acceptance/linux_initrd.py
@@ -0,0 +1,48 @@
+# Linux initrd acceptance test.
+#
+# Copyright (c) 2018 Red Hat, Inc.
+#
+# Author:
+#  Wainer dos Santos Moschetta <wainersm@redhat.com>
+#
+# This work is licensed under the terms of the GNU GPL, version 2 or
+# later.  See the COPYING file in the top-level directory.
+
+import tempfile
+from avocado.utils.process import run
+
+from avocado_qemu import Test
+
+
+class LinuxInitrd(Test):
+    """
+    Checks QEMU evaluates correctly the initrd file passed as -initrd option.
+
+    :avocado: enable
+    :avocado: tags=x86_64
+    """
+
+    timeout = 60
+
+    def test_with_2gib_file_should_exit_error_msg(self):
+        """
+        Pretends to boot QEMU with an initrd file with size of 2GiB
+        and expect it exits with error message.
+        """
+        kernel_url = ('https://mirrors.kernel.org/fedora/releases/28/'
+                      'Everything/x86_64/os/images/pxeboot/vmlinuz')
+        kernel_hash = '238e083e114c48200f80d889f7e32eeb2793e02a'
+        kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
+        max_size = 2 * (1024 ** 3) - 1
+
+        with tempfile.NamedTemporaryFile() as initrd:
+            initrd.seek(max_size)
+            initrd.write(b'\0')
+            initrd.flush()
+            cmd = "%s -kernel %s -initrd %s" % (self.qemu_bin, kernel_path,
+                                                initrd.name)
+            res = run(cmd, ignore_status=True)
+            self.assertEqual(res.exit_status, 1)
+            expected_msg = r'.*initrd is too large.*max: \d+, need %s.*' % (
+                max_size + 1)
+            self.assertRegex(res.stderr_text, expected_msg)