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-rw-r--r--Tests/ExternalProjectUpdate/ExternalProjectUpdateTest.cmake94
1 files changed, 94 insertions, 0 deletions
diff --git a/Tests/ExternalProjectUpdate/ExternalProjectUpdateTest.cmake b/Tests/ExternalProjectUpdate/ExternalProjectUpdateTest.cmake
new file mode 100644
index 000000000..b6f848aa8
--- /dev/null
+++ b/Tests/ExternalProjectUpdate/ExternalProjectUpdateTest.cmake
@@ -0,0 +1,94 @@
+# Set the ExternalProject GIT_TAG to desired_tag, and make sure the
+# resulting checked out version is resulting_sha and rebuild.
+# This check's the correct behavior of the ExternalProject UPDATE_COMMAND.
+# Also verify that a fetch only occurs when fetch_expected is 1.
+macro(check_a_tag desired_tag resulting_sha fetch_expected)
+ message( STATUS "Checking ExternalProjectUpdate to tag: ${desired_tag}" )
+
+ # Remove the FETCH_HEAD file, so we can check if it gets replaced with a 'git
+ # fetch'.
+ set( FETCH_HEAD_file ${ExternalProjectUpdate_BINARY_DIR}/CMakeExternals/Source/TutorialStep1-GIT/.git/FETCH_HEAD )
+ file( REMOVE ${FETCH_HEAD_file} )
+
+ # Configure
+ execute_process(COMMAND ${CMAKE_COMMAND}
+ -G ${CMAKE_TEST_GENERATOR} -T "${CMAKE_TEST_GENERATOR_TOOLSET}"
+ -DTEST_GIT_TAG:STRING=${desired_tag}
+ ${ExternalProjectUpdate_SOURCE_DIR}
+ WORKING_DIRECTORY ${ExternalProjectUpdate_BINARY_DIR}
+ RESULT_VARIABLE error_code
+ )
+ if(error_code)
+ message(FATAL_ERROR "Could not configure the project.")
+ endif()
+
+ # Build
+ execute_process(COMMAND ${CMAKE_COMMAND}
+ --build ${ExternalProjectUpdate_BINARY_DIR}
+ RESULT_VARIABLE error_code
+ )
+ if(error_code)
+ message(FATAL_ERROR "Could not build the project.")
+ endif()
+
+ # Check the resulting SHA
+ execute_process(COMMAND ${GIT_EXECUTABLE}
+ rev-list --max-count=1 HEAD
+ WORKING_DIRECTORY ${ExternalProjectUpdate_BINARY_DIR}/CMakeExternals/Source/TutorialStep1-GIT
+ RESULT_VARIABLE error_code
+ OUTPUT_VARIABLE tag_sha
+ OUTPUT_STRIP_TRAILING_WHITESPACE
+ )
+ if(error_code)
+ message(FATAL_ERROR "Could not check the sha.")
+ endif()
+
+ if(NOT (${tag_sha} STREQUAL ${resulting_sha}))
+ message(FATAL_ERROR "UPDATE_COMMAND produced
+ ${tag_sha}
+when
+ ${resulting_sha}
+was expected."
+ )
+ endif()
+
+ if( NOT EXISTS ${FETCH_HEAD_file} AND ${fetch_expected})
+ message( FATAL_ERROR "Fetch did NOT occur when it was expected.")
+ endif()
+ if( EXISTS ${FETCH_HEAD_file} AND NOT ${fetch_expected})
+ message( FATAL_ERROR "Fetch DID occur when it was not expected.")
+ endif()
+endmacro()
+
+find_package(Git)
+set(do_git_tests 0)
+if(GIT_EXECUTABLE)
+ set(do_git_tests 1)
+
+ execute_process(
+ COMMAND "${GIT_EXECUTABLE}" --version
+ OUTPUT_VARIABLE ov
+ OUTPUT_STRIP_TRAILING_WHITESPACE
+ )
+ string(REGEX REPLACE "^git version (.+)$" "\\1" git_version "${ov}")
+ message(STATUS "git_version='${git_version}'")
+
+ if(git_version VERSION_LESS 1.6.5)
+ message(STATUS "No ExternalProject git tests with git client less than version 1.6.5")
+ set(do_git_tests 0)
+ endif()
+endif()
+
+if(do_git_tests)
+ check_a_tag(origin/master 5842b503ba4113976d9bb28d57b5aee1ad2736b7 1)
+ check_a_tag(tag1 d1970730310fe8bc07e73f15dc570071f9f9654a 1)
+ # With the Git UPDATE_COMMAND performance patch, this will not required a
+ # 'git fetch'
+ check_a_tag(tag1 d1970730310fe8bc07e73f15dc570071f9f9654a 0)
+ check_a_tag(tag2 5842b503ba4113976d9bb28d57b5aee1ad2736b7 1)
+ check_a_tag(d19707303 d1970730310fe8bc07e73f15dc570071f9f9654a 1)
+ check_a_tag(d19707303 d1970730310fe8bc07e73f15dc570071f9f9654a 0)
+ check_a_tag(origin/master 5842b503ba4113976d9bb28d57b5aee1ad2736b7 1)
+ # This is a remote symbolic ref, so it will always trigger a 'git fetch'
+ check_a_tag(origin/master 5842b503ba4113976d9bb28d57b5aee1ad2736b7 1)
+endif()