new CMake.ctest() method (conan-io#15282)

conan/tools/cmake/cmake.py

@@ -245,6 +245,38 @@ def test(self, build_type=None, target=None, cli_args=None, build_tool_args=None
         self._build(build_type=build_type, target=target, cli_args=cli_args,
                     build_tool_args=build_tool_args, env=env, stdout=stdout, stderr=stderr)
 
+    def ctest(self, cli_args=None, env="", stdout=None, stderr=None):
+        """
+        Equivalent to running ctest ...
+
+        :param cli_args: Extra ctest command line arguments
+        :param env: the environment files to activate, by default conanbuild + conanrun
+        :param stdout: Use it to redirect stdout to this stream
+        :param stderr: Use it to redirect stderr to this stream
+        """
+        if self._conanfile.conf.get("tools.build:skip_test", check_type=bool):
+            return
+
+        arg_list = []
+        bt = self._conanfile.settings.get_safe("build_type")
+        is_multi = is_multi_configuration(self._generator)
+        if bt and is_multi:
+            arg_list.append(f"--build-config {bt}")
+        njobs = build_jobs(self._conanfile)
+        if njobs:
+            arg_list.append(f"--parallel {njobs}")
+
+        verbosity = self._conanfile.conf.get("tools.build:verbosity", choices=("quiet", "verbose"))
+        if verbosity:
+            arg_list.append(f"--{verbosity}")
+
+        arg_list.extend(cli_args or [])
+        arg_list = " ".join(filter(None, arg_list))
+        command = f"ctest {arg_list}"
+
+        env = ["conanbuild", "conanrun"] if env == "" else env
+        self._conanfile.run(command, env=env, stdout=stdout, stderr=stderr)
+
     @property
     def _compilation_verbosity_arg(self):
         """
@@ -266,4 +298,3 @@ def _cmake_log_levels_args(self):
         if log_level == "quiet":
             log_level = "error"
         return ["--loglevel=" + log_level.upper()] if log_level is not None else []
-

conans/test/functional/toolchains/cmake/test_cmake.py

@@ -7,7 +7,6 @@
 import pytest
 from parameterized.parameterized import parameterized
 
-from conans.model.recipe_ref import RecipeReference
 from conans.test.assets.cmake import gen_cmakelists
 from conans.test.assets.sources import gen_function_cpp, gen_function_h
 from conans.test.functional.utils import check_vs_runtime, check_exe_run
@@ -624,6 +623,7 @@ def build(self):
                     cmake.configure()
                     cmake.build()
                     cmake.test()
+                    cmake.ctest()
             """)
 
         cmakelist = textwrap.dedent("""
@@ -648,7 +648,8 @@ def build(self):
 
         # The create flow must work
         c.run("create . --name=pkg --version=0.1 -pr:b=default -o test*:shared=True")
-        assert "1/1 Test #1: example ..........................   Passed" in c.out
+        assert str(c.out).count("1/1 Test #1: example ..........................   Passed") == 2
+        assert "pkg/0.1: RUN: ctest --build-config Release --parallel"
 
 
 @pytest.mark.tool("cmake")