From cd0423300bea21a5c0747a6aeaefbae24c10ecd8 Mon Sep 17 00:00:00 2001
From: Alexander Adam <alexander.adam@megware.com>
Date: Sat, 5 Nov 2016 11:36:12 +0100
Subject: CPack/RPM test for Suggests tag

Suggests tag was not present in older versions
of rpmbuild so we test that the rpm package is
always generated either with Suggests tag present
or skipped if not supported.
---
 .../CPack/RPM/RPM_SUGGESTS-ExpectedFiles.cmake     |  5 ++++
 .../CPack/RPM/RPM_SUGGESTS-VerifyResult.cmake      | 31 ++++++++++++++++++++++
 Tests/RunCMake/CPack/RPM_SUGGESTS.cmake            |  4 +++
 Tests/RunCMake/CPack/RunCMakeTest.cmake            |  1 +
 4 files changed, 41 insertions(+)
 create mode 100644 Tests/RunCMake/CPack/RPM/RPM_SUGGESTS-ExpectedFiles.cmake
 create mode 100644 Tests/RunCMake/CPack/RPM/RPM_SUGGESTS-VerifyResult.cmake
 create mode 100644 Tests/RunCMake/CPack/RPM_SUGGESTS.cmake

diff --git a/Tests/RunCMake/CPack/RPM/RPM_SUGGESTS-ExpectedFiles.cmake b/Tests/RunCMake/CPack/RPM/RPM_SUGGESTS-ExpectedFiles.cmake
new file mode 100644
index 0000000..02ebb44
--- /dev/null
+++ b/Tests/RunCMake/CPack/RPM/RPM_SUGGESTS-ExpectedFiles.cmake
@@ -0,0 +1,5 @@
+set(whitespaces_ "[\t\n\r ]*")
+
+set(EXPECTED_FILES_COUNT "1")
+set(EXPECTED_FILE_1 "rpm_suggests*.rpm")
+set(EXPECTED_FILE_CONTENT_1 "^/usr/foo${whitespaces_}/usr/foo/CMakeLists.txt$")
diff --git a/Tests/RunCMake/CPack/RPM/RPM_SUGGESTS-VerifyResult.cmake b/Tests/RunCMake/CPack/RPM/RPM_SUGGESTS-VerifyResult.cmake
new file mode 100644
index 0000000..32cc6d1
--- /dev/null
+++ b/Tests/RunCMake/CPack/RPM/RPM_SUGGESTS-VerifyResult.cmake
@@ -0,0 +1,31 @@
+execute_process(COMMAND ${RPMBUILD_EXECUTABLE} --querytags
+                OUTPUT_VARIABLE RPMBUILD_CAPS
+                RESULT_VARIABLE RPMBUILD_CAPS_RESULT)
+
+if(NOT RPMBUILD_CAPS_RESULT)
+  string(REPLACE "\n" ";" RPMBUILD_CAPS "${RPMBUILD_CAPS}")
+  cmake_policy(PUSH)
+    cmake_policy(SET CMP0057 NEW)
+    if(SUGGESTS IN_LIST RPMBUILD_CAPS)
+      set(should_contain_suggests_tag_ true)
+    endif()
+  cmake_policy(POP)
+endif()
+
+# Only verify that suggests tag is present only if that tag is supported.
+# If it is not supported the rpm package was corretly generated by ignoring
+# that tag and that was already checked by expected files test.
+if(should_contain_suggests_tag_)
+  execute_process(COMMAND ${RPM_EXECUTABLE} -q --suggests -p "${FOUND_FILE_1}"
+                  WORKING_DIRECTORY "${CPACK_TEMPORARY_DIRECTORY}"
+                  RESULT_VARIABLE rpm_result_
+                  OUTPUT_VARIABLE rpm_output_
+                  ERROR_VARIABLE error_variable_
+                  OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+  if(rpm_result_ OR NOT rpm_output_ STREQUAL "libsuggested")
+    message(FATAL_ERROR "RPM_SUGGESTED package error: no suggested packages"
+        " (result: '${rpm_result_}'; output: '${rpm_output_}';"
+        " error: '${error_variable_}')")
+  endif()
+endif()
diff --git a/Tests/RunCMake/CPack/RPM_SUGGESTS.cmake b/Tests/RunCMake/CPack/RPM_SUGGESTS.cmake
new file mode 100644
index 0000000..e6e0c1f
--- /dev/null
+++ b/Tests/RunCMake/CPack/RPM_SUGGESTS.cmake
@@ -0,0 +1,4 @@
+install(FILES CMakeLists.txt DESTINATION foo)
+
+set(CPACK_RPM_PACKAGE_SUGGESTS "libsuggested")
+set(CPACK_PACKAGE_NAME "rpm_suggests")
diff --git a/Tests/RunCMake/CPack/RunCMakeTest.cmake b/Tests/RunCMake/CPack/RunCMakeTest.cmake
index 474ee33..38bd0ea 100644
--- a/Tests/RunCMake/CPack/RunCMakeTest.cmake
+++ b/Tests/RunCMake/CPack/RunCMakeTest.cmake
@@ -15,6 +15,7 @@ run_cpack_test(CUSTOM_NAMES "RPM;DEB" true)
 run_cpack_test_subtests(MAIN_COMPONENT "invalid;found" "RPM" false)
 run_cpack_test(PER_COMPONENT_FIELDS "RPM;DEB" false)
 run_cpack_test(RPM_DIST "RPM" false)
+run_cpack_test(RPM_SUGGESTS "RPM" false)
 run_cpack_test(INSTALL_SCRIPTS "RPM" false)
 run_cpack_test(DEB_GENERATE_SHLIBS "DEB" true)
 run_cpack_test(DEB_GENERATE_SHLIBS_LDCONFIG "DEB" true)
-- 
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