test/win: executable(), exepath() #9516

src/nvim/os/fs.c

@@ -276,7 +276,7 @@ bool os_can_exe(const char_u *name, char_u **abspath, bool use_path)
 }
 
 #ifdef WIN32
-/// Returns true if extension of `name` is executalbe file exteinsion.
+/// Returns true if extension of `name` is executable file exteinsion.
 static bool is_extension_executable(const char *name)
   FUNC_ATTR_NONNULL_ALL
 {

src/nvim/testdir/test_functions.vim

@@ -881,8 +881,8 @@ func Test_Executable()
     call assert_equal(1, executable('notepad'))
     call assert_equal(1, executable('notepad.exe'))
     call assert_equal(0, executable('notepad.exe.exe'))
-    call assert_equal(1, executable('shell32.dll'))
+    call assert_equal(0, executable('shell32.dll'))
-    call assert_equal(1, executable('win.ini'))
+    call assert_equal(0, executable('win.ini'))
   elseif has('unix')
     call assert_equal(1, executable('cat'))
     call assert_equal(0, executable('nodogshere'))

test/functional/eval/executable_spec.lua

@@ -1,6 +1,7 @@
 local helpers = require('test.functional.helpers')(after_each)
-local eq, clear, call, iswin, write_file =
+local eq, clear, call, iswin, write_file, command =
-  helpers.eq, helpers.clear, helpers.call, helpers.iswin, helpers.write_file
+  helpers.eq, helpers.clear, helpers.call, helpers.iswin, helpers.write_file,
+  helpers.command
 
 describe('executable()', function()
   before_each(clear)
@@ -48,18 +49,17 @@ describe('executable()', function()
     end)
 
     it('not set', function()
-      local expected = iswin() and 1 or 0
+      eq(0, call('executable', 'Xtest_not_executable'))
-      eq(expected, call('executable', 'Xtest_not_executable'))
+      eq(0, call('executable', './Xtest_not_executable'))
-      eq(expected, call('executable', './Xtest_not_executable'))
     end)
 
     it('set, unqualified and not in $PATH', function()
-      local expected = iswin() and 1 or 0
+      eq(0, call('executable', 'Xtest_executable'))
-      eq(expected, call('executable', 'Xtest_executable'))
     end)
 
     it('set, qualified as a path', function()
-      eq(1, call('executable', './Xtest_executable'))
+      local expected = iswin() and 0 or 1
+      eq(expected, call('executable', './Xtest_executable'))
     end)
   end)
 end)
@@ -136,16 +136,18 @@ describe('executable() (Windows)', function()
     eq(1, call('executable', '.\\test_executable_zzz'))
   end)
 
-  it('returns 1 for any existing filename', function()
+  it('returns 1 for any existing filename, when a Unix-shell like \'shell\'', function()
     clear({env={PATHEXT=''}})
+    command('set shell=sh')
     for _,ext in ipairs(exts) do
       eq(1, call('executable', 'test_executable_'..ext..'.'..ext))
     end
     eq(1, call('executable', 'test_executable_zzz.zzz'))
   end)
 
-  it('returns 1 for any existing path (backslashes)', function()
+  it('returns 1 for any existing path, when a Unix-shell like \'shell\' (backslashes)', function()
     clear({env={PATHEXT=''}})
+    command('set shell=bash.exe')
     for _,ext in ipairs(exts) do
       eq(1, call('executable', '.\\test_executable_'..ext..'.'..ext))
       eq(1, call('executable', './test_executable_'..ext..'.'..ext))
@@ -153,4 +155,43 @@ describe('executable() (Windows)', function()
     eq(1, call('executable', '.\\test_executable_zzz.zzz'))
     eq(1, call('executable', './test_executable_zzz.zzz'))
   end)
+
+  it('returns 1 for any existing filename, when $PATHEXT contain dot itself', function()
+    clear({env={PATHEXT='.;.zzz'}})
+    command('set shell=sh')
+    for _,ext in ipairs(exts) do
+      eq(1, call('executable', 'test_executable_'..ext..'.'..ext))
+    end
+    eq(1, call('executable', 'test_executable_zzz.zzz'))
+    clear({env={PATHEXT='.zzz;.'}})
+    command('set shell=sh')
+    for _,ext in ipairs(exts) do
+      eq(1, call('executable', 'test_executable_'..ext..'.'..ext))
+    end
+    eq(1, call('executable', 'test_executable_zzz.zzz'))
+  end)
+
+  it('returns 1 for any existing path, when $PATHEXT contain dot itself (backslashes)', function()
+    clear({env={PATHEXT='.;.zzz'}})
+    command('set shell=bash.exe')
+    for _,ext in ipairs(exts) do
+      eq(1, call('executable', '.\\test_executable_'..ext..'.'..ext))
+      eq(1, call('executable', './test_executable_'..ext..'.'..ext))
+    end
+    eq(1, call('executable', '.\\test_executable_zzz.zzz'))
+    eq(1, call('executable', './test_executable_zzz.zzz'))
+  end)
+
+  it('ignore case of extension', function()
+    clear({env={PATHEXT='.ZZZ'}})
+    eq(1, call('executable', 'test_executable_zzz.zzz'))
+  end)
+
+  it('file is not found by relative path from $PATH', function()
+    clear({env={PATHEXT=''}})
+    eq(0, call('executable', './System32/notepad.exe'))
+    eq(0, call('executable', '.\\System32\\notepad.exe'))
+    eq(0, call('executable', '../notepad.exe'))
+    eq(0, call('executable', '..\\notepad.exe'))
+  end)
 end)

test/functional/eval/exepath_spec.lua

@@ -0,0 +1,14 @@
+local helpers = require('test.functional.helpers')(after_each)
+local eq, clear, call, iswin =
+  helpers.eq, helpers.clear, helpers.call, helpers.iswin
+
+describe('exepath() (Windows)', function()
+  if not iswin() then return end  -- N/A for Unix.
+
+  it('append extension, even if omit extension', function()
+    local filename = 'cmd'
+    local pathext = '.exe'
+    clear({env={PATHEXT=pathext}})
+    eq(call('exepath', filename..pathext), call('exepath', filename))
+  end)
+end)