mirror of
https://github.com/Kitware/CMake.git
synced 2026-05-07 14:50:15 -05:00
Tyler Yankee
70 lines
2.4 KiB
CMake
70 lines
2.4 KiB
CMake
# Read the JSON `filename` into `outvar`.
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function(read_json filename outvar)
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file(READ "${filename}" ${outvar})
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return(PROPAGATE ${outvar})
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endfunction()
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# Utility for error messages.
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function(add_error error)
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string(APPEND RunCMake_TEST_FAILED " ${error}\n")
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string(APPEND ERROR_MESSAGE " ${error}\n")
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return(PROPAGATE RunCMake_TEST_FAILED ERROR_MESSAGE)
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endfunction()
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# Utility for JSON-specific error messages.
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function(json_error file error)
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add_error("Error in JSON file ${file}:\n${error}")
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return(PROPAGATE RunCMake_TEST_FAILED ERROR_MESSAGE)
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endfunction()
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# Check if the JSON string `json` has `key` when it's not
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# UNEXPECTED. If so, return it in `key`.
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function(json_has_key file json key)
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cmake_parse_arguments(ARG "UNEXPECTED" "" "" ${ARGN})
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unset(missingKey)
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string(JSON ${key} ERROR_VARIABLE missingKey GET "${json}" ${key})
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if (NOT ARG_UNEXPECTED AND NOT missingKey MATCHES NOTFOUND)
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json_error("${file}" "Missing key \'${key}\':\n${json}")
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elseif (ARG_UNEXPECTED AND missingKey MATCHES NOTFOUND)
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json_error("${file}" "\nUnexpected key \'${key}\':\n${json}")
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endif()
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return(PROPAGATE RunCMake_TEST_FAILED ERROR_MESSAGE ${key})
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endfunction()
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# Check if the JSON string `json` does not have `key`.
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function(json_missing_key file json key)
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string(JSON data ERROR_VARIABLE missingKey GET "${json}" ${key})
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if (missingKey MATCHES NOTFOUND)
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json_error("${file}" "Has unexpected ${key}.")
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endif()
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return(PROPAGATE RunCMake_TEST_FAILED ERROR_MESSAGE)
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endfunction()
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# Check if the JSON string `json` has `key` and its value matches `expected`.
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function(json_assert_key file json key expected)
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string(JSON data ERROR_VARIABLE missingKey GET "${json}" ${key})
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if (NOT missingKey MATCHES NOTFOUND)
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json_error("${file}" "Missing ${key}.")
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endif()
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if (NOT ${data} MATCHES ${expected})
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json_error(
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"${file}"
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"Unexpected data in custom content file:\nGot ${data}, Expected ${expected}."
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)
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endif()
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return(PROPAGATE RunCMake_TEST_FAILED ERROR_MESSAGE)
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endfunction()
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# Check if the two given JSON files are equal.
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function(json_equals expected_file actual_file)
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read_json("${expected_file}" expected_contents)
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read_json("${actual_file}" actual_contents)
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string(JSON equal EQUAL ${expected_contents} ${actual_contents})
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if (NOT equal)
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add_error(
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"JSON ${expected_file} does not equal ${actual_file}."
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)
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endif()
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return(PROPAGATE RunCMake_TEST_FAILED ERROR_MESSAGE)
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endfunction()
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