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authorBrad King <brad.king@kitware.com>2015-01-23 15:02:04 (GMT)
committerBrad King <brad.king@kitware.com>2015-01-27 16:18:37 (GMT)
commit7f2dc8dc54fa6486423477dd673725bc40d3fdeb (patch)
tree191f5668ce864732a32acc151bbc5c074085d088 /Tests/RunCMake/configure_file
parentdaf95a38277f4c732987933a63143dde77dd0a10 (diff)
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configure_file: Test that CMake re-runs on input change or output missing
With the Makefile generators we expect that touching or modifying the input file of a configure_file, or removing its output, will cause CMake to re-run on the next build. Extend the RunCMake.configure_file test with a case covering this. Also check that CMake does not re-run if nothing has changed.
Diffstat (limited to 'Tests/RunCMake/configure_file')
-rw-r--r--Tests/RunCMake/configure_file/RerunCMake-rerun-stderr.txt1
-rw-r--r--Tests/RunCMake/configure_file/RerunCMake-rerun-stdout.txt3
-rw-r--r--Tests/RunCMake/configure_file/RerunCMake-stderr.txt1
-rw-r--r--Tests/RunCMake/configure_file/RerunCMake-stdout.txt3
-rw-r--r--Tests/RunCMake/configure_file/RerunCMake.cmake8
-rw-r--r--Tests/RunCMake/configure_file/RunCMakeTest.cmake34
6 files changed, 50 insertions, 0 deletions
diff --git a/Tests/RunCMake/configure_file/RerunCMake-rerun-stderr.txt b/Tests/RunCMake/configure_file/RerunCMake-rerun-stderr.txt
new file mode 100644
index 0000000..26e07b6
--- /dev/null
+++ b/Tests/RunCMake/configure_file/RerunCMake-rerun-stderr.txt
@@ -0,0 +1 @@
+^Running CMake on RerunCMake$
diff --git a/Tests/RunCMake/configure_file/RerunCMake-rerun-stdout.txt b/Tests/RunCMake/configure_file/RerunCMake-rerun-stdout.txt
new file mode 100644
index 0000000..34c873c
--- /dev/null
+++ b/Tests/RunCMake/configure_file/RerunCMake-rerun-stdout.txt
@@ -0,0 +1,3 @@
+-- Configuring done
+-- Generating done
+-- Build files have been written to: .*/Tests/RunCMake/configure_file/RerunCMake-build
diff --git a/Tests/RunCMake/configure_file/RerunCMake-stderr.txt b/Tests/RunCMake/configure_file/RerunCMake-stderr.txt
new file mode 100644
index 0000000..26e07b6
--- /dev/null
+++ b/Tests/RunCMake/configure_file/RerunCMake-stderr.txt
@@ -0,0 +1 @@
+^Running CMake on RerunCMake$
diff --git a/Tests/RunCMake/configure_file/RerunCMake-stdout.txt b/Tests/RunCMake/configure_file/RerunCMake-stdout.txt
new file mode 100644
index 0000000..34c873c
--- /dev/null
+++ b/Tests/RunCMake/configure_file/RerunCMake-stdout.txt
@@ -0,0 +1,3 @@
+-- Configuring done
+-- Generating done
+-- Build files have been written to: .*/Tests/RunCMake/configure_file/RerunCMake-build
diff --git a/Tests/RunCMake/configure_file/RerunCMake.cmake b/Tests/RunCMake/configure_file/RerunCMake.cmake
new file mode 100644
index 0000000..890cc1f
--- /dev/null
+++ b/Tests/RunCMake/configure_file/RerunCMake.cmake
@@ -0,0 +1,8 @@
+message("Running CMake on RerunCMake") # write to stderr if cmake reruns
+configure_file(
+ "${CMAKE_CURRENT_BINARY_DIR}/ConfigureFileInput.txt.in"
+ "${CMAKE_CURRENT_BINARY_DIR}/ConfigureFileOutput.txt"
+ @ONLY
+ )
+# make sure CMakeCache.txt is newer than ConfigureFileOutput.txt
+execute_process(COMMAND ${CMAKE_COMMAND} -E sleep 1)
diff --git a/Tests/RunCMake/configure_file/RunCMakeTest.cmake b/Tests/RunCMake/configure_file/RunCMakeTest.cmake
index c010256..489652b 100644
--- a/Tests/RunCMake/configure_file/RunCMakeTest.cmake
+++ b/Tests/RunCMake/configure_file/RunCMakeTest.cmake
@@ -7,3 +7,37 @@ run_cmake(UTF16BE-BOM)
run_cmake(UTF32LE-BOM)
run_cmake(UTF32BE-BOM)
run_cmake(UnknownArg)
+
+if(RunCMake_GENERATOR MATCHES "Make")
+ # Use a single build tree for a few tests without cleaning.
+ set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/RerunCMake-build)
+ set(RunCMake_TEST_NO_CLEAN 1)
+ file(REMOVE_RECURSE "${RunCMake_TEST_BINARY_DIR}")
+ file(MAKE_DIRECTORY "${RunCMake_TEST_BINARY_DIR}")
+ set(in_conf "${RunCMake_TEST_BINARY_DIR}/ConfigureFileInput.txt.in")
+ file(WRITE "${in_conf}" "1")
+
+ message(STATUS "RerunCMake: first configuration...")
+ run_cmake(RerunCMake)
+ run_cmake_command(RerunCMake-nowork ${CMAKE_COMMAND} --build .)
+
+ execute_process(COMMAND ${CMAKE_COMMAND} -E sleep 1) # handle 1s resolution
+ message(STATUS "RerunCMake: touch configure_file input...")
+ file(WRITE "${in_conf}" "1")
+ run_cmake_command(RerunCMake-rerun ${CMAKE_COMMAND} --build .)
+ run_cmake_command(RerunCMake-nowork ${CMAKE_COMMAND} --build .)
+
+ execute_process(COMMAND ${CMAKE_COMMAND} -E sleep 1) # handle 1s resolution
+ message(STATUS "RerunCMake: modify configure_file input...")
+ file(WRITE "${in_conf}" "2")
+ run_cmake_command(RerunCMake-rerun ${CMAKE_COMMAND} --build .)
+ run_cmake_command(RerunCMake-nowork ${CMAKE_COMMAND} --build .)
+
+ message(STATUS "RerunCMake: remove configure_file output...")
+ file(REMOVE "${RunCMake_TEST_BINARY_DIR}/ConfigureFileOutput.txt")
+ run_cmake_command(RerunCMake-rerun ${CMAKE_COMMAND} --build .)
+ run_cmake_command(RerunCMake-nowork ${CMAKE_COMMAND} --build .)
+
+ unset(RunCMake_TEST_BINARY_DIR)
+ unset(RunCMake_TEST_NO_CLEAN)
+endif()