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"""Command line interface tests for llvm.py configure.
Note that although this uses the unittest framework, it does *not* contain unit
tests.
"""
from os import path
from subprocess import CalledProcessError
from tempfile import mkdtemp
from uuid import uuid4
from llvmtestcase import LLVMTestCase, debug
class Testllvmconfigure(LLVMTestCase):
@classmethod
def llvm_configure(cls, *args, **kwargs):
return cls.command_with_defaults("configure", *args, **kwargs)
@classmethod
def setUpClass(cls):
cls.env = mkdtemp()
cls.llvm_repo = path.join(cls.env, "llvm-repo")
cls.create_dummy_repo(cls.llvm_repo)
cls.llvm_worktree = path.join(cls.env, "llvm")
cls.add_worktree(cls.llvm_repo, cls.llvm_worktree, "br")
def test_source_dir_is_compulsory(self):
"""Test that we get an error if we don't pass the source dir."""
with self.assertRaises(CalledProcessError) as context:
self.run_with_output(
self.llvm_configure("--build-dir", "anywhere"))
self.assertRegex(
str(context.exception.output),
"(.*\n)*the following arguments are required: --source-dir(.*\n)*")
def test_build_dir_is_compulsory(self):
"""Test that we get an error if we don't pass the build dir."""
with self.assertRaises(CalledProcessError) as context:
self.run_with_output(
self.llvm_configure("--source-dir", self.llvm_worktree))
self.assertRegex(
str(context.exception.output),
"(.*\n)*the following arguments are required: --build-dir(.*\n)*")
def test_default_args(self):
"""Test that we can get a simple configure command."""
output = self.run_with_output(self.llvm_configure("--dry-run",
"--source-dir",
self.llvm_worktree,
"--build-dir",
"anywhere"))
self.assertRegex(output,
"anywhere\$ cmake -G Ninja .* {}".format(self.llvm_worktree))
def test_generator(self):
"""Test that we can specify a custom generator."""
output = self.run_with_output(self.llvm_configure("--dry-run",
"--source-dir",
self.llvm_worktree,
"--build-dir",
"anywhere",
"--cmake-generator",
"\"Unix Makefiles\""))
self.assertRegex(output,
"anywhere\$ cmake -G \"Unix Makefiles\" .* {}".format(self.llvm_worktree))
def test_cmake_vars(self):
"""Test that we can specify custom cmake variables."""
output = self.run_with_output(self.llvm_configure(
"--dry-run",
"--source-dir", self.llvm_worktree,
"--build-dir", "anywhere",
"--cmake-def", "VAR1=VAL1",
"--cmake-def", "VAR2=\"-not --so simple\""))
self.assertRegex(output,
"anywhere\$ cmake -G Ninja .* -DVAR1=VAL1 -DVAR2=\"-not --so simple\" {}".format(self.llvm_worktree))
def test_create_build_dir(self):
"""
Test that we create the build directory if it doesn't already exist (but
not in dry-run).
"""
buildDir = path.join(self.env, "brand-new-build-dir")
self.assertFalse(path.isdir(buildDir))
self.run_with_output(self.llvm_configure("--dry-run",
"--source-dir", self.llvm_worktree,
"--build-dir", buildDir))
self.assertFalse(path.isdir(buildDir))
# When not running in dry run mode, we're going to try to execute a
# CMake command that's going to fail because we don't have a valid LLVM
# source directory. This is fine, since the purpose of this test isn't
# to check the integration with CMake.
with self.assertRaises(Exception) as context:
print(self.run_with_output(self.llvm_configure(
"--source-dir", self.llvm_worktree,
"--build-dir", buildDir)))
self.assertTrue(path.isdir(buildDir))
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