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tests/example/: Make search for template.lua explicit 

Previously, while recursively scanning the directory tree, the code in here also
scanned for template.lua files and remembered the latest one it found. This
commit adds a function which finds the right template.lua for a given file name,
making this search explicit and easier to understand.

Signed-off-by: Uli Schlachter <psychon@znc.in>
This commit is contained in:
Uli Schlachter 2016-06-04 14:35:46 +02:00
parent d4dc579105
commit 5fb6ca8194
1 changed files with 23 additions and 17 deletions
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40
tests/examples/CMakeLists.txt
View File

@ -106,13 +106,26 @@ function(escape_code path escaped_content pre_header post_header)
set(${post_header} ${example_post_header} PARENT_SCOPE)
endfunction()
# Execute a lua file.
function(run_test test_path namespace template escaped_content)
# Find the template.lua that is closest to the given file. For example, if a
# template.lua is present in the same directory, its path will be returned. If
# one is present in the parent directory, that path is returned etc.
function(find_template result_variable file)
get_filename_component(path "${file}" DIRECTORY)
# A template is required to know how to handle the output.
if (template STREQUAL " ")
message(FATAL_ERROR "No template found for " ${test_path} ", bye")
endif()
while(NOT EXISTS "${path}/template.lua")
set(last_path "${path}")
get_filename_component(path "${path}" DIRECTORY)
if(last_path STREQUAL path)
message(FATAL_ERROR "Failed to find template.lua for ${file}")
endif()
endwhile()
set(${result_variable} "${path}/template.lua" PARENT_SCOPE)
endfunction()
# Execute a lua file.
function(run_test test_path namespace escaped_content)
find_template(template "${test_path}")
# Get the file name without the extension
get_filename_component(${test_path} TEST_FILE_NAME NAME)
@ -199,14 +212,7 @@ endfunction()
# Recursive helper function to avoid adding CMakeLists.txt and add_subdirectory
# in every sub-directories.
function(digg path namespace template)
# Check if there is a template for this directory, else use the
# last known one.
if(EXISTS ${path}/template.lua)
message(STATUS "Testing code based on ${namespace}")
set(template ${path}/template.lua)
endif()
function(digg path namespace)
# Get the directory content
file(GLOB ex_files RELATIVE "${path}"
@ -216,7 +222,7 @@ function(digg path namespace template)
if(IS_DIRECTORY ${path}/${ex_file_name}
AND (NOT ${ex_file_name} STREQUAL "shims"))
digg("${path}/${ex_file_name}" "${namespace}_${ex_file_name}" ${template})
digg("${path}/${ex_file_name}" "${namespace}_${ex_file_name}")
elseif(${ex_file_name} MATCHES ".lua"
AND NOT ${ex_file_name} MATCHES "template.lua")
@ -224,7 +230,7 @@ function(digg path namespace template)
# Get the file name without the extension
string(REGEX REPLACE "\\.lua" "" TEST_FILE_NAME ${ex_file_name})
run_test("${path}/${ex_file_name}" "${namespace}" ${template} ESCAPED_CODE_EXAMPLE)
run_test("${path}/${ex_file_name}" "${namespace}" ESCAPED_CODE_EXAMPLE)
# Set the test name
set(TEST_NAME DOC${namespace}_${TEST_FILE_NAME}_EXAMPLE)
@ -245,7 +251,7 @@ endfunction()
# the test. In parallel, build a namespace for the global variables. Those
# variables will be inserted into the lua source code itself once the examples
# are validated.
digg("${SOURCE_DIR}/tests/examples" "" " ")
digg("${SOURCE_DIR}/tests/examples" "")
# This is ugly, but CMake variable scope system totally ignore 50 years of
# computer science evolution and only support function local variables.