1 files changed, 92 insertions, 0 deletions
diff --git a/tests/cli/testllvmconfigure.py b/tests/cli/testllvmconfigure.py
new file mode 100644
index 0000000..fd68bde
--- /dev/null
+++ b/tests/cli/testllvmconfigure.py
@@ -0,0 +1,92 @@
+"""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_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())
+
+        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",
+                                                          "--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",
+                                                          "--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",
+            "--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",
+            "--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("--build-dir",
+                buildDir)))
+
+        self.assertRegex(
+            str(context.exception.output),
+            "(.*\n)*The source directory .* does not appear to contain CMakeLists.txt(.*\n)*")
+
+        self.assertTrue(path.isdir(buildDir))