Use generalized RunCMake test infrastrucure for build_command test

The CMakeCommands.build_command test performs output/error checking
so move it over to RunCMake to re-use the generalized infrastrucure.
This is the only test left using Tests/CMakeCommands/CMakeLists.txt
so remove it.

Tests/CMakeCommands/CMakeLists.txt

@@ -1,10 +0,0 @@
-macro(add_CMakeCommands_test test)
-  add_test(CMakeCommands.${test} ${CMAKE_CMAKE_COMMAND}
-    -DCMake_SOURCE_DIR=${CMake_SOURCE_DIR} # TODO: Remove
-    -Ddir=${CMAKE_CURRENT_BINARY_DIR}/${test}
-    -Dgen=${CMAKE_TEST_GENERATOR}
-    -P "${CMAKE_CURRENT_SOURCE_DIR}/${test}/test.cmake"
-    )
-endmacro()
-
-add_CMakeCommands_test(build_command)

Tests/CMakeCommands/build_command/test.cmake

@@ -1,86 +0,0 @@
-if(NOT DEFINED CMake_SOURCE_DIR)
-  message(FATAL_ERROR "CMake_SOURCE_DIR not defined")
-endif()
-
-if(NOT DEFINED dir)
-  message(FATAL_ERROR "dir not defined")
-endif()
-
-if(NOT DEFINED gen)
-  message(FATAL_ERROR "gen not defined")
-endif()
-
-message(STATUS "CTEST_FULL_OUTPUT (Avoid ctest truncation of output)")
-
-# Run cmake:
-#
-function(run_cmake build_dir extra_args expected_result expected_output expected_error)
-  message(STATUS "run_cmake build_dir='${build_dir}' extra_args='${extra_args}'")
-
-  # Ensure build_dir exists:
-  #
-  execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory ${build_dir})
-
-  # Run cmake:
-  #
-  execute_process(COMMAND ${CMAKE_COMMAND}
-    ${extra_args}
-    -G ${gen} ${CMake_SOURCE_DIR}/Tests/CMakeCommands/build_command
-    RESULT_VARIABLE result
-    OUTPUT_VARIABLE stdout
-    ERROR_VARIABLE stderr
-    WORKING_DIRECTORY ${build_dir}
-    )
-
-  message(STATUS "result='${result}'")
-  message(STATUS "stdout='${stdout}'")
-  message(STATUS "stderr='${stderr}'")
-  message(STATUS "")
-
-  # Verify result and output match expectations:
-  #
-  if("0" STREQUAL "${expected_result}")
-    if(NOT "${result}" STREQUAL "0")
-      message(FATAL_ERROR
-        "error: result='${result}' is non-zero and different than expected_result='${expected_result}'")
-    endif()
-  else()
-    if("${result}" STREQUAL "0")
-      message(FATAL_ERROR
-        "error: result='${result}' is zero and different than expected_result='${expected_result}'")
-    endif()
-  endif()
-
-  foreach(e ${expected_output})
-    if(NOT stdout MATCHES "${e}")
-      message(FATAL_ERROR
-        "error: stdout does not match expected_output item e='${e}'")
-    else()
-      message(STATUS "info: stdout matches '${e}'")
-    endif()
-  endforeach()
-
-  foreach(e ${expected_error})
-    if(NOT stderr MATCHES "${e}")
-      message(FATAL_ERROR
-        "error: stderr does not match expected_error item e='${e}'")
-    else()
-      message(STATUS "info: stderr matches '${e}'")
-    endif()
-  endforeach()
-
-  message(STATUS "result, stdout and stderr match all expectations: test passes")
-  message(STATUS "")
-endfunction()
-
-
-# Expect this case to succeed:
-run_cmake("${dir}/b1" "" 0
-  "Build files have been written to:"
-  "skipping cases 1, 2 and 3 because TEST_ERROR_CONDITIONS is OFF")
-
-
-# Expect this one to fail:
-run_cmake("${dir}/b2" "-DTEST_ERROR_CONDITIONS:BOOL=ON" 1
-  "Configuring incomplete, errors occurred!"
-  "build_command requires at least one argument naming a CMake variable;build_command unknown argument ")

Tests/CMakeLists.txt

@@ -53,7 +53,6 @@ IF(BUILD_TESTING)
 
   ADD_SUBDIRECTORY(CMakeLib)
   ADD_SUBDIRECTORY(CMakeOnly)
-  ADD_SUBDIRECTORY(CMakeCommands)
   ADD_SUBDIRECTORY(RunCMake)
 
   ADD_SUBDIRECTORY(FindPackageModeMakefileTest)

Tests/RunCMake/CMakeLists.txt

@@ -40,4 +40,5 @@ macro(add_RunCMake_test test)
     )
 endmacro()
 
+add_RunCMake_test(build_command)
 add_RunCMake_test(find_package)

Tests/RunCMake/build_command/CMakeLists.txt

@@ -1,3 +1,7 @@
+cmake_minimum_required(VERSION 2.8)
+project(${RunCMake_TEST} NONE)
+include(${RunCMake_TEST}.cmake)
+
 # This CMakeLists file is *sometimes expected* to result in a configure error.
 #
 # expect this to succeed:
@@ -12,12 +16,9 @@
 # ...even purposefully calling it with known-bad argument lists to cover
 # error handling code.
 #
-cmake_minimum_required(VERSION 2.8)
-project(test_build_command)
 
 set(cmd "initial")
 
-message("CTEST_FULL_OUTPUT")
 message("0. begin")
 
 if(TEST_ERROR_CONDITIONS)

Tests/RunCMake/build_command/ErrorsOFF-stderr.txt

@@ -0,0 +1 @@
+skipping cases 1, 2 and 3 because TEST_ERROR_CONDITIONS is OFF

Tests/RunCMake/build_command/ErrorsOFF-stdout.txt

@@ -0,0 +1 @@
+Build files have been written to:

Tests/RunCMake/build_command/ErrorsOFF.cmake

@@ -0,0 +1 @@
+set(TEST_ERROR_CONDITIONS OFF)

Tests/RunCMake/build_command/ErrorsON-result.txt

@@ -0,0 +1 @@
+1

Tests/RunCMake/build_command/ErrorsON-stderr.txt

@@ -0,0 +1,12 @@
+CMake Error at CMakeLists.txt:[0-9]+ \(build_command\):
+  build_command requires at least one argument naming a CMake variable
+
++
+1. cmd='initial'
+CMake Error at CMakeLists.txt:[0-9]+ \(build_command\):
+  build_command unknown argument "BOGUS"
+
++
+2. cmd='initial'
+CMake Error at CMakeLists.txt:[0-9]+ \(build_command\):
+  build_command unknown argument "STUFF"

Tests/RunCMake/build_command/ErrorsON-stdout.txt

@@ -0,0 +1 @@
+Configuring incomplete, errors occurred!

Tests/RunCMake/build_command/ErrorsON.cmake

@@ -0,0 +1 @@
+set(TEST_ERROR_CONDITIONS ON)

Tests/RunCMake/build_command/RunCMakeTest.cmake

@@ -0,0 +1,4 @@
+include(RunCMake)
+
+run_cmake(ErrorsOFF)
+run_cmake(ErrorsON)