#711 - Make the clang executables configurable

test/command_callback/test_c_clang_command_callbacks.vader

@@ -0,0 +1,39 @@
+Before:
+  Save g:ale_c_clang_executable
+  Save g:ale_c_clang_options
+
+  unlet! g:ale_c_clang_executable
+  unlet! b:ale_c_clang_executable
+  unlet! g:ale_c_clang_options
+  unlet! b:ale_c_clang_options
+
+  runtime ale_linters/c/clang.vim
+
+  let b:command_tail = ' -S -x c -fsyntax-only -iquote'
+  \   . ' ' . ale#Escape(getcwd())
+  \   . ' -std=c11 -Wall -'
+
+After:
+  Restore
+  unlet! b:command_tail
+  unlet! b:ale_c_clang_executable
+  unlet! b:ale_c_clang_options
+  call ale#linter#Reset()
+
+Execute(The executable should be configurable):
+  AssertEqual 'clang', ale_linters#c#clang#GetExecutable(bufnr(''))
+
+  let b:ale_c_clang_executable = 'foobar'
+
+  AssertEqual 'foobar', ale_linters#c#clang#GetExecutable(bufnr(''))
+
+Execute(The executable should be used in the command):
+  AssertEqual
+  \ ale#Escape('clang') . b:command_tail,
+  \ ale_linters#c#clang#GetCommand(bufnr(''))
+
+  let b:ale_c_clang_executable = 'foobar'
+
+  AssertEqual
+  \ ale#Escape('foobar') . b:command_tail,
+  \ ale_linters#c#clang#GetCommand(bufnr(''))

test/command_callback/test_cpp_clang_command_callbacks.vader

@@ -0,0 +1,39 @@
+Before:
+  Save g:ale_cpp_clang_executable
+  Save g:ale_cpp_clang_options
+
+  unlet! g:ale_cpp_clang_executable
+  unlet! b:ale_cpp_clang_executable
+  unlet! g:ale_cpp_clang_options
+  unlet! b:ale_cpp_clang_options
+
+  runtime ale_linters/cpp/clang.vim
+
+  let b:command_tail = ' -S -x c++ -fsyntax-only -iquote'
+  \   . ' ' . ale#Escape(getcwd())
+  \   . ' -std=c++14 -Wall -'
+
+After:
+  Restore
+  unlet! b:command_tail
+  unlet! b:ale_cpp_clang_executable
+  unlet! b:ale_cpp_clang_options
+  call ale#linter#Reset()
+
+Execute(The executable should be configurable):
+  AssertEqual 'clang++', ale_linters#cpp#clang#GetExecutable(bufnr(''))
+
+  let b:ale_cpp_clang_executable = 'foobar'
+
+  AssertEqual 'foobar', ale_linters#cpp#clang#GetExecutable(bufnr(''))
+
+Execute(The executable should be used in the command):
+  AssertEqual
+  \ ale#Escape('clang++') . b:command_tail,
+  \ ale_linters#cpp#clang#GetCommand(bufnr(''))
+
+  let b:ale_cpp_clang_executable = 'foobar'
+
+  AssertEqual
+  \ ale#Escape('foobar') . b:command_tail,
+  \ ale_linters#cpp#clang#GetCommand(bufnr(''))

test/test_c_import_paths.vader

@@ -85,7 +85,8 @@ Execute(The C Clang handler should include 'include' directories for projects wi
   call ale#test#SetFilename('test_c_projects/makefile_project/subdir/file.c')
 
   AssertEqual
-  \   'clang -S -x c -fsyntax-only '
+  \   ale#Escape('clang')
+  \   . ' -S -x c -fsyntax-only '
   \   . '-iquote ' . ale#Escape(g:dir .  '/test_c_projects/makefile_project/subdir') . ' '
   \   . ' -I' . ale#Escape(g:dir .  '/test_c_projects/makefile_project/include') . ' '
   \   . ' -'
@@ -97,7 +98,8 @@ Execute(The C Clang handler should include 'include' directories for projects wi
   call ale#test#SetFilename('test_c_projects/h_file_project/subdir/file.c')
 
   AssertEqual
-  \   'clang -S -x c -fsyntax-only '
+  \   ale#Escape('clang')
+  \   . ' -S -x c -fsyntax-only '
   \   . '-iquote ' . ale#Escape(g:dir .  '/test_c_projects/h_file_project/subdir') . ' '
   \   . ' -I' . ale#Escape(g:dir .  '/test_c_projects/h_file_project') . ' '
   \   . ' -'
@@ -109,7 +111,8 @@ Execute(The C Clang handler should include root directories for projects with .h
   call ale#test#SetFilename('test_c_projects/h_file_project/subdir/file.c')
 
   AssertEqual
-  \   'clang -S -x c -fsyntax-only '
+  \   ale#Escape('clang')
+  \   . ' -S -x c -fsyntax-only '
   \   . '-iquote ' . ale#Escape(g:dir .  '/test_c_projects/h_file_project/subdir') . ' '
   \   . ' -I' . ale#Escape(g:dir .  '/test_c_projects/h_file_project') . ' '
   \   . ' -'
@@ -121,7 +124,8 @@ Execute(The C Clang handler should include root directories for projects with .h
   call ale#test#SetFilename('test_c_projects/hpp_file_project/subdir/file.c')
 
   AssertEqual
-  \   'clang -S -x c -fsyntax-only '
+  \   ale#Escape('clang')
+  \   . ' -S -x c -fsyntax-only '
   \   . '-iquote ' . ale#Escape(g:dir .  '/test_c_projects/hpp_file_project/subdir') . ' '
   \   . ' -I' . ale#Escape(g:dir .  '/test_c_projects/hpp_file_project') . ' '
   \   . ' -'
@@ -181,7 +185,8 @@ Execute(The C++ Clang handler should include 'include' directories for projects
   call ale#test#SetFilename('test_c_projects/makefile_project/subdir/file.cpp')
 
   AssertEqual
-  \   'clang++ -S -x c++ -fsyntax-only '
+  \   ale#Escape('clang++')
+  \   . ' -S -x c++ -fsyntax-only '
   \   . '-iquote ' . ale#Escape(g:dir .  '/test_c_projects/makefile_project/subdir') . ' '
   \   . ' -I' . ale#Escape(g:dir .  '/test_c_projects/makefile_project/include') . ' '
   \   . ' -'
@@ -193,7 +198,8 @@ Execute(The C++ Clang handler should include 'include' directories for projects
   call ale#test#SetFilename('test_c_projects/configure_project/subdir/file.cpp')
 
   AssertEqual
-  \   'clang++ -S -x c++ -fsyntax-only '
+  \   ale#Escape('clang++')
+  \   . ' -S -x c++ -fsyntax-only '
   \   . '-iquote ' . ale#Escape(g:dir .  '/test_c_projects/configure_project/subdir') . ' '
   \   . ' -I' . ale#Escape(g:dir .  '/test_c_projects/configure_project/include') . ' '
   \   . ' -'
@@ -205,7 +211,8 @@ Execute(The C++ Clang handler should include root directories for projects with
   call ale#test#SetFilename('test_c_projects/h_file_project/subdir/file.cpp')
 
   AssertEqual
-  \   'clang++ -S -x c++ -fsyntax-only '
+  \   ale#Escape('clang++')
+  \   . ' -S -x c++ -fsyntax-only '
   \   . '-iquote ' . ale#Escape(g:dir .  '/test_c_projects/h_file_project/subdir') . ' '
   \   . ' -I' . ale#Escape(g:dir .  '/test_c_projects/h_file_project') . ' '
   \   . ' -'
@@ -217,7 +224,8 @@ Execute(The C++ Clang handler should include root directories for projects with
   call ale#test#SetFilename('test_c_projects/hpp_file_project/subdir/file.cpp')
 
   AssertEqual
-  \   'clang++ -S -x c++ -fsyntax-only '
+  \   ale#Escape('clang++')
+  \   . ' -S -x c++ -fsyntax-only '
   \   . '-iquote ' . ale#Escape(g:dir .  '/test_c_projects/hpp_file_project/subdir') . ' '
   \   . ' -I' . ale#Escape(g:dir .  '/test_c_projects/hpp_file_project') . ' '
   \   . ' -'
@@ -237,7 +245,8 @@ Execute(The C++ Clang handler shoud use the include directory based on the .git
   call ale#test#SetFilename('test_c_projects/git_and_nested_makefiles/src/file.cpp')
 
   AssertEqual
-  \   'clang++ -S -x c++ -fsyntax-only '
+  \   ale#Escape('clang++')
+  \   . ' -S -x c++ -fsyntax-only '
   \   . '-iquote ' . ale#Escape(g:dir .  '/test_c_projects/git_and_nested_makefiles/src') . ' '
   \   . ' -I' . ale#Escape(g:dir .  '/test_c_projects/git_and_nested_makefiles/include') . ' '
   \   . ' -'