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# Copyright 2015 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Tests for toolchain."""
from __future__ import print_function
import mock
import os
from chromite.lib import brick_lib
from chromite.lib import cros_build_lib_unittest
from chromite.lib import cros_test_lib
from chromite.lib import osutils
from chromite.lib import toolchain
from chromite.lib import toolchain_list
from chromite.lib import workspace_lib
BASE_TOOLCHAIN_CONF = """# The root of all evil is money, err, this config.
base-target-name # This will become the base target.
# This toolchain is bonus!
bonus-toolchain {"a setting": "bonus value"} # Bonus!
"""
ADDITIONAL_TOOLCHAIN_CONF = """# A helpful toolchain related comment.
extra-toolchain # Unlikely to win any performance tests.
bonus-toolchain {"stable": true}
"""
MODERN_BSP_BRICK_CONFIG = {
'name': 'bsp-brick',
'toolchains': [('base-target-name', {'default': True}),
('bonus-toolchain', {'a setting': 'bonus value'})
],
'dependencies': ['//custom-firmware-brick'],
}
MODERN_FIRMWARE_BRICK_CONFIG = {
'name': 'custom-firmware-brick',
'toolchains': [('bonus-toolchain', {'stable': True}),
('extra-toolchain', {})],
}
TYPICAL_BRICK_WITHOUT_TOOLCHAINS = {
'name': 'custom-firmware-brick',
}
EXPECTED_TOOLCHAINS = {
'bonus-toolchain': {
'sdk': True,
'crossdev': '',
'default': False,
'a setting': 'bonus value',
'stable': True,
},
'extra-toolchain': {'sdk': True, 'crossdev': '', 'default': False},
'base-target-name': {'sdk': True, 'crossdev': '', 'default': True},
}
class ToolchainTest(cros_test_lib.MockTempDirTestCase):
"""Tests for lib.toolchain."""
def _MakeBrick(self, config):
return brick_lib.Brick(os.path.join(self.tempdir, config['name']),
initial_config=config)
def setUp(self):
self.PatchObject(workspace_lib, 'WorkspacePath', return_value=self.tempdir)
def testArchForToolchain(self):
"""Tests that we correctly parse crossdev's output."""
rc_mock = cros_build_lib_unittest.RunCommandMock()
noarch = """target=foo
category=bla
"""
rc_mock.SetDefaultCmdResult(output=noarch)
with rc_mock:
self.assertEqual(None, toolchain.GetArchForTarget('fake_target'))
amd64arch = """arch=amd64
target=foo
"""
rc_mock.SetDefaultCmdResult(output=amd64arch)
with rc_mock:
self.assertEqual('amd64', toolchain.GetArchForTarget('fake_target'))
@mock.patch('chromite.lib.toolchain.portage_util.FindOverlays')
def testReadsBoardToolchains(self, find_overlays_mock):
"""Tests that we correctly parse toolchain configs for an overlay stack."""
# Create some fake overlays and put toolchain confs in a subset of them.
overlays = [os.path.join(self.tempdir, 'overlay%d' % i) for i in range(3)]
for overlay in overlays:
osutils.SafeMakedirs(overlay)
for overlay, contents in [(overlays[0], BASE_TOOLCHAIN_CONF),
(overlays[2], ADDITIONAL_TOOLCHAIN_CONF)]:
osutils.WriteFile(os.path.join(overlay, 'toolchain.conf'), contents)
find_overlays_mock.return_value = overlays
actual_targets = toolchain.GetToolchainsForBoard('board_value')
self.assertEqual(EXPECTED_TOOLCHAINS, actual_targets)
def testReadsBrickToolchains(self):
"""Tests that we can read the toolchain for a brick stack."""
# Creates the brick in a subdirectory of tempdir so that we can create other
# bricks without interfering with it.
self._MakeBrick(MODERN_FIRMWARE_BRICK_CONFIG)
top_brick = self._MakeBrick(MODERN_BSP_BRICK_CONFIG)
self.assertEqual(EXPECTED_TOOLCHAINS,
toolchain.GetToolchainsForBrick(top_brick.brick_locator))
def testShouldDetectMissingDefaultsInBricks(self):
"""Tests that we check for a default toolchain in bricks."""
brick = self._MakeBrick(
{'name': 'brick-name', 'toolchains': [('base-toolchain', {})]})
self.assertRaises(toolchain_list.NoDefaultToolchainDefinedError,
toolchain.GetToolchainsForBrick,
brick.brick_locator)
def testShouldDetectConflictingOverrides(self):
"""Tests that we disallow toolchains with obvious conflicting settings."""
conflicting_brick = self._MakeBrick(
{'name': 'conflicting-brick',
'toolchains': [
('base-toolchain', {'default': True,
'setting': 'conflicting value'}),
],
})
brick = self._MakeBrick(
{'name': 'bsp-brick',
'toolchains': [
('base-toolchain', {'default': True,
'setting': 'bsp value'}),
],
'dependencies': [conflicting_brick.brick_locator],
})
self.assertRaises(toolchain_list.MismatchedToolchainConfigsError,
toolchain.GetToolchainsForBrick,
brick.brick_locator)
def testToleratesBricksWithoutToolchains(self):
"""Tests that we correctly handle bricks that are toolchain agnostic."""
simple_brick = self._MakeBrick(TYPICAL_BRICK_WITHOUT_TOOLCHAINS)
toolchain.GetToolchainsForBrick(simple_brick.brick_locator)
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