Port package_identification tests from colcon_core

test/test_package_identification_cmake.py

@@ -0,0 +1,82 @@
+# Copyright 2016-2018 Dirk Thomas
+# Copyright 2024 Open Source Robotics Foundation, Inc.
+# Licensed under the Apache License, Version 2.0
+
+from pathlib import Path
+from tempfile import TemporaryDirectory
+
+from colcon_core.package_descriptor import PackageDescriptor
+from colcon_cmake.package_identification.cmake \
+    import CmakePackageIdentification
+import pytest
+
+
+def test_identify():
+    extension = CmakePackageIdentification()
+
+    with TemporaryDirectory(prefix='test_colcon_') as basepath:
+        desc = PackageDescriptor(basepath)
+        desc.type = 'other'
+        assert extension.identify(desc) is None
+        assert desc.name is None
+
+        desc.type = None
+        assert extension.identify(desc) is None
+        assert desc.name is None
+        assert desc.type is None
+
+        basepath = Path(basepath)
+        (basepath / 'CMakeLists.txt').write_text('')
+        assert extension.identify(desc) is None
+        assert desc.name == basepath.name
+        assert desc.type == 'cmake'
+
+        desc = PackageDescriptor(basepath)
+        (basepath / 'CMakeLists.txt').write_text(
+            'cmake_minimum_required(VERSION 3.10)\n'
+            'project(Project NONE)\n')
+        assert extension.identify(desc) is None
+        assert desc.name == 'Project'
+        assert desc.type == 'cmake'
+
+        desc = PackageDescriptor(basepath)
+        (basepath / 'CMakeLists.txt').write_text(
+            'cmake_minimum_required(VERSION 3.10)\n'
+            'project(Project NONE)\n'
+            'catkin_workspace()\n')
+        assert extension.identify(desc) is None
+        assert desc.name is None
+        assert desc.type is None
+
+        desc = PackageDescriptor(basepath)
+        (basepath / 'CMakeLists.txt').write_text(
+            'cmake_minimum_required(VERSION 3.10)\n'
+            'project(pkg-name NONE)\n')
+        assert extension.identify(desc) is None
+        assert desc.name == 'pkg-name'
+        assert desc.type == 'cmake'
+        assert set(desc.dependencies.keys()) == {'build', 'run'}
+        assert not desc.dependencies['build']
+        assert not desc.dependencies['run']
+        assert extension.identify(desc) is None
+        assert desc.name == 'pkg-name'
+        assert desc.type == 'cmake'
+
+        desc = PackageDescriptor(basepath)
+        (basepath / 'CMakeLists.txt').write_text(
+            'cmake_minimum_required(VERSION 3.10)\n'
+            'project(other-name NONE)\n'
+            'find_package(PkgConfig REQUIRED)\n'
+            'pkg_check_modules(DEP_NAME REQUIRED dep-name>=1.1)\n'
+            'add_subdirectory(src)\n')
+        (basepath / 'src').mkdir(parents=True, exist_ok=True)
+        (basepath / 'src' / 'CMakeLists.txt').write_text(
+            'find_package(dep-name2 REQUIRED)\n')
+        (basepath / 'src' / 'README.txt').write_text(
+            'find_package(other-dep-name REQUIRED)\n')
+        assert extension.identify(desc) is None
+        assert desc.name == 'other-name'
+        assert desc.type == 'cmake'
+        assert set(desc.dependencies.keys()) == {'build', 'run'}
+        assert desc.dependencies['build'] == {'dep-name', 'dep-name2', 'PkgConfig'}
+        assert desc.dependencies['run'] == {'dep-name', 'dep-name2', 'PkgConfig'}