Find{BLAS,LAPACK}: De-duplicate and generalize test creation logic

Interpret `CMake_TEST_FindBLAS` and `CMake_TEST_FindLAPACK` as a
sequence of option assignments intermixed with vendor names.

3 files changed, 47 insertions, 98 deletions

diff --git a/Tests/FindBLAS/CMakeLists.txt b/Tests/FindBLAS/CMakeLists.txt
index 482cee8..00b254d 100644
--- a/Tests/FindBLAS/CMakeLists.txt
+++ b/Tests/FindBLAS/CMakeLists.txt
@@ -1,49 +1,2 @@
-foreach(variant IN LISTS CMake_TEST_FindBLAS)
-  if(variant MATCHES "^([^.]+)\\.(.*)$")
-    set(vendor "${CMAKE_MATCH_1}")
-    set(alt_compiler "-DCMAKE_C_COMPILER=${CMAKE_MATCH_2}")
-  else()
-    set(vendor "${variant}")
-    set(alt_compiler "")
-  endif()
-  if(vendor STREQUAL "All" AND CMake_TEST_FindBLAS_All)
-    set(EXPECT_All "-DEXPECT_All=${CMake_TEST_FindBLAS_All}")
-  else()
-    set(EXPECT_All "")
-  endif()
-  add_test(NAME FindBLAS.Test_${variant} COMMAND
-    ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
-    --build-and-test
-    "${CMake_SOURCE_DIR}/Tests/FindBLAS/Test"
-    "${CMake_BINARY_DIR}/Tests/FindBLAS/Test_${variant}"
-    ${build_generator_args}
-    --build-project TestFindBLAS
-    --build-options ${build_options} ${alt_compiler} ${EXPECT_All} -DBLA_VENDOR=${vendor}
-    --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
-    )
-endforeach()
-
-foreach(variant IN LISTS CMake_TEST_FindBLAS_STATIC)
-  if(variant MATCHES "^([^.]+)\\.(.*)$")
-    set(vendor "${CMAKE_MATCH_1}")
-    set(alt_compiler "-DCMAKE_C_COMPILER=${CMAKE_MATCH_2}")
-  else()
-    set(vendor "${variant}")
-    set(alt_compiler "")
-  endif()
-  if(vendor STREQUAL "All" AND CMake_TEST_FindBLAS_STATIC_All)
-    set(EXPECT_All "-DEXPECT_All=${CMake_TEST_FindBLAS_STATIC_All}")
-  else()
-    set(EXPECT_All "")
-  endif()
-  add_test(NAME FindBLAS.Test_${variant}_Static COMMAND
-    ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
-    --build-and-test
-    "${CMake_SOURCE_DIR}/Tests/FindBLAS/Test"
-    "${CMake_BINARY_DIR}/Tests/FindBLAS/Test_${variant}_Static"
-    ${build_generator_args}
-    --build-project TestFindBLAS
-    --build-options ${build_options} ${alt_compiler} ${EXPECT_All} -DBLA_VENDOR=${vendor} -DBLA_STATIC=ON
-    --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
-    )
-endforeach()
+include("${CMake_SOURCE_DIR}/Tests/FindBLAS/add_BLAS_LAPACK_tests.cmake")
+add_BLAS_LAPACK_tests(CMake_TEST_FindBLAS)
diff --git a/Tests/FindBLAS/add_BLAS_LAPACK_tests.cmake b/Tests/FindBLAS/add_BLAS_LAPACK_tests.cmake
new file mode 100644
index 0000000..db33404
--- /dev/null
+++ b/Tests/FindBLAS/add_BLAS_LAPACK_tests.cmake
@@ -0,0 +1,43 @@
+function(add_BLAS_LAPACK_tests var)
+  if(var MATCHES "^CMake_TEST_Find(BLAS|LAPACK)$")
+    set(package "${CMAKE_MATCH_1}")
+  else()
+    message(FATAL_ERROR "Test list variable '${var}' not supported.")
+  endif()
+
+  set(all "")
+  set(compiler "")
+  set(static "")
+
+  foreach(variant IN LISTS ${var})
+    if(variant MATCHES "^(all|compiler|static)=(.*)$")
+      set("${CMAKE_MATCH_1}" "${CMAKE_MATCH_2}")
+      continue()
+    elseif(variant MATCHES "^([^=]+)=(.*)$")
+      message(FATAL_ERROR "Unknown variable '${variant}'")
+    endif()
+    set(variant_name "${variant}")
+    set(variant_options "-DBLA_VENDOR=${variant}")
+    if(variant STREQUAL "All" AND all)
+      list(APPEND variant_options "-DEXPECT_All=${all}")
+    endif()
+    if(compiler)
+      string(APPEND variant_name "_${compiler}")
+      list(APPEND variant_options "-DCMAKE_C_COMPILER=${compiler}")
+    endif()
+    if(static)
+      string(APPEND variant_name "_Static")
+      list(APPEND variant_options "-DBLA_STATIC=ON")
+    endif()
+    add_test(NAME Find${package}.Test_${variant_name} COMMAND
+      ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+      --build-and-test
+      "${CMake_SOURCE_DIR}/Tests/Find${package}/Test"
+      "${CMake_BINARY_DIR}/Tests/Find${package}/Test_${variant_name}"
+      ${build_generator_args}
+      --build-project TestFind${package}
+      --build-options ${build_options} ${variant_options}
+      --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+      )
+  endforeach()
+endfunction()
diff --git a/Tests/FindLAPACK/CMakeLists.txt b/Tests/FindLAPACK/CMakeLists.txt
index 535c7b6..a2470ef 100644
--- a/Tests/FindLAPACK/CMakeLists.txt
+++ b/Tests/FindLAPACK/CMakeLists.txt
@@ -1,49 +1,2 @@
-foreach(variant IN LISTS CMake_TEST_FindLAPACK)
-  if(variant MATCHES "^([^.]+)\\.(.*)$")
-    set(vendor "${CMAKE_MATCH_1}")
-    set(alt_compiler "-DCMAKE_C_COMPILER=${CMAKE_MATCH_2}")
-  else()
-    set(vendor "${variant}")
-    set(alt_compiler "")
-  endif()
-  if(vendor STREQUAL "All" AND CMake_TEST_FindLAPACK_All)
-    set(EXPECT_All "-DEXPECT_All=${CMake_TEST_FindLAPACK_All}")
-  else()
-    set(EXPECT_All "")
-  endif()
-  add_test(NAME FindLAPACK.Test_${variant} COMMAND
-    ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
-    --build-and-test
-    "${CMake_SOURCE_DIR}/Tests/FindLAPACK/Test"
-    "${CMake_BINARY_DIR}/Tests/FindLAPACK/Test_${variant}"
-    ${build_generator_args}
-    --build-project TestFindLAPACK
-    --build-options ${build_options} ${alt_compiler} ${EXPECT_All} -DBLA_VENDOR=${vendor}
-    --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
-    )
-endforeach()
-
-foreach(variant IN LISTS CMake_TEST_FindLAPACK_STATIC)
-  if(variant MATCHES "^([^.]+)\\.(.*)$")
-    set(vendor "${CMAKE_MATCH_1}")
-    set(alt_compiler "-DCMAKE_C_COMPILER=${CMAKE_MATCH_2}")
-  else()
-    set(vendor "${variant}")
-    set(alt_compiler "")
-  endif()
-  if(vendor STREQUAL "All" AND CMake_TEST_FindLAPACK_STATIC_All)
-    set(EXPECT_All "-DEXPECT_All=${CMake_TEST_FindLAPACK_STATIC_All}")
-  else()
-    set(EXPECT_All "")
-  endif()
-  add_test(NAME FindLAPACK.Test_${variant}_Static COMMAND
-    ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
-    --build-and-test
-    "${CMake_SOURCE_DIR}/Tests/FindLAPACK/Test"
-    "${CMake_BINARY_DIR}/Tests/FindLAPACK/Test_${variant}_Static"
-    ${build_generator_args}
-    --build-project TestFindLAPACK
-    --build-options ${build_options} ${alt_compiler} ${EXPECT_All} -DBLA_VENDOR=${vendor} -DBLA_STATIC=ON
-    --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
-    )
-endforeach()
+include("${CMake_SOURCE_DIR}/Tests/FindBLAS/add_BLAS_LAPACK_tests.cmake")
+add_BLAS_LAPACK_tests(CMake_TEST_FindLAPACK)