ENH: Implement feature request from issue 7885. Allow setting environment variables on a per-test basis for ctest using set_test_properties ENVIRONMENT.

3 files changed, 55 insertions, 0 deletions

diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 1035427..05dafb0 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -497,6 +497,19 @@ ${CMake_BINARY_DIR}/bin/cmake -DVERSION=CVS -P ${CMake_SOURCE_DIR}/Utilities/Rel
     )
   LIST(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Example")
 
+  ADD_TEST(Environment ${CMAKE_CTEST_COMMAND}
+    --build-and-test
+    "${CMake_SOURCE_DIR}/Tests/Environment"
+    "${CMake_BINARY_DIR}/Tests/Environment"
+    --build-generator ${CMAKE_TEST_GENERATOR}
+    --build-project EnvironmentProj
+    --build-makeprogram ${CMAKE_TEST_MAKEPROGRAM}
+    --build-exe-dir "${CMake_BINARY_DIR}/Tests/Environment"
+    --force-new-ctest-process
+    --test-command ${CMAKE_CTEST_COMMAND} -VV
+    )
+  LIST(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Tests/Environment")
+
   # do each of the tutorial steps
   FOREACH(STP RANGE 1 7)
     ADD_TEST(TutorialStep${STP} ${CMAKE_CTEST_COMMAND}
diff --git a/Tests/Environment/CMakeLists.txt b/Tests/Environment/CMakeLists.txt
new file mode 100644
index 0000000..2b18d24
--- /dev/null
+++ b/Tests/Environment/CMakeLists.txt
@@ -0,0 +1,26 @@
+cmake_minimum_required(VERSION 2.6)
+project(EnvironmentProj)
+
+add_executable(Environment main.cxx)
+
+enable_testing()
+
+add_test(Environment1 Environment)
+add_test(Environment2 Environment)
+add_test(EchoEnvironment1 ${CMAKE_COMMAND} -E environment)
+add_test(EchoEnvironment2 ${CMAKE_COMMAND} -E environment)
+
+# Make sure "CMAKE_ENV.*Happy Thanksgiving" is in the output of
+# the "1" tests:
+#
+set_tests_properties(Environment1 EchoEnvironment1 PROPERTIES
+  ENVIRONMENT "CMAKE_ENVIRONMENT_TEST_VAR=Happy Thanksgiving!"
+  PASS_REGULAR_EXPRESSION "CMAKE_ENV.*Happy Thanksgiving"
+)
+
+# Make sure "CMAKE_ENV.*Happy Thanksgiving" is *NOT* in the output of
+# the "2" tests:
+#
+set_tests_properties(Environment2 EchoEnvironment2 PROPERTIES
+  FAIL_REGULAR_EXPRESSION "CMAKE_ENV.*Happy Thanksgiving"
+)
diff --git a/Tests/Environment/main.cxx b/Tests/Environment/main.cxx
new file mode 100644
index 0000000..2e1bf4c
--- /dev/null
+++ b/Tests/Environment/main.cxx
@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char *argv[])
+{
+  char* var = getenv("CMAKE_ENVIRONMENT_TEST_VAR");
+  if (!var)
+    {
+    var = "(null)";
+    }
+
+  fprintf(stdout, "Environment:\n");
+  fprintf(stdout, "  CMAKE_ENVIRONMENT_TEST_VAR='%s'\n", var);
+
+  return 0;
+}