test: no longer define ad-hoc C headers

With the improved cimport helper, we can just load what we want.

test/unit/os/env.moon

@@ -1,16 +1,7 @@
 {:cimport, :internalize, :eq, :ffi, :lib, :cstr, :to_cstr} = require 'test.unit.helpers'
 require 'lfs'
 
--- fs = cimport './src/os/os.h'
--- remove these statements once 'cimport' is working properly for misc1.h
-env = lib
-ffi.cdef [[
-const char *os_getenv(const char *name);
-int os_setenv(const char *name, const char *value, int override);
-char *os_getenvname_at_index(size_t index);
-long os_get_pid(void);
-void os_get_hostname(char *hostname, size_t len);
-]]
+env = cimport './src/os/os.h'
 
 NULL = ffi.cast 'void*', 0
 
@@ -86,7 +77,7 @@ describe 'env function', ->
       eq NULL, env.os_getenvname_at_index huge
       eq NULL, env.os_getenvname_at_index maxuint32
       if ffi.abi '64bit'
-        -- couldn't use a bigger number because it gets converted to 
+        -- couldn't use a bigger number because it gets converted to
         -- double somewere, should be big enough anyway
         -- maxuint64 = ffi.new 'size_t', 18446744073709551615
         maxuint64 = ffi.new 'size_t', 18446744073709000000

test/unit/os/fs.moon

@@ -2,30 +2,11 @@
 require 'lfs'
 require 'bit'
 
--- fs = cimport './src/os/os.h'
--- remove these statements once 'cimport' is working properly for misc1.h
-fs = lib
-ffi.cdef [[
-enum OKFAIL {
-  OK = 1, FAIL = 0
-};
-int os_dirname(char_u *buf, int len);
-bool os_isdir(char_u * name);
-bool is_executable(char_u *name);
-bool os_can_exe(char_u *name);
-int32_t os_getperm(char_u *name);
-int os_setperm(char_u *name, long perm);
-bool os_file_exists(const char_u *name);
-bool os_file_is_readonly(char *fname);
-int os_file_is_writable(const char *name);
-int os_rename(const char_u *path, const char_u *new_path);
-int os_mkdir(const char *path, int32_t mode);
-int os_rmdir(const char *path);
-int os_remove(const char *path);
-]]
+fs = cimport './src/os/os.h'
 
--- import constants parsed by ffi
-{:OK, :FAIL} = lib
+-- TODO(aktau): define these constants "better"
+FAIL = 0
+OK = 1
 
 cppimport 'sys/stat.h'
 
@@ -65,8 +46,6 @@ describe 'fs function', ->
       eq FAIL, (os_dirname buf, (len-1))
 
   describe 'path_full_dir_name', ->
-    ffi.cdef 'int path_full_dir_name(char *directory, char *buffer, int len);'
-
     path_full_dir_name = (directory, buffer, len) ->
       directory = to_cstr directory
       fs.path_full_dir_name directory, buffer, len
@@ -262,7 +241,7 @@ describe 'fs function', ->
 
       it 'fail if source file does not exist', ->
         eq FAIL, (os_rename not_exist, test)
-  
+
       it 'can overwrite destination file if it exists', ->
         other = 'unit-test-directory/other.file'
         file = io.open other, 'w'

test/unit/os/users.moon

@@ -1,22 +1,6 @@
 {:cimport, :internalize, :eq, :ffi, :lib, :cstr} = require 'test.unit.helpers'
 
--- fs = cimport './src/os/os.h'
--- remove these statements once 'cimport' is working properly for misc1.h
-users = lib
-ffi.cdef [[
-typedef struct growarray {
-  int ga_len;
-  int ga_maxlen;
-  int ga_itemsize;
-  int ga_growsize;
-  void    *ga_data;
-} garray_T;
-int os_get_usernames(garray_T *usernames);
-int os_get_user_name(char *s, size_t len);
-int os_get_uname(int uid, char *s, size_t len);
-char *os_get_user_directory(const char *name);
-int getuid(void);
-]]
+users = cimport './src/os/os.h', 'unistd.h'
 
 NULL = ffi.cast 'void*', 0
 OK = 1

test/unit/path.moon

@@ -1,17 +1,7 @@
 {:cimport, :internalize, :eq, :neq, :ffi, :lib, :cstr, :to_cstr} = require 'test.unit.helpers'
 require 'lfs'
 
-path = lib
-
-ffi.cdef [[
-typedef enum file_comparison {
-  kEqualFiles = 1, kDifferentFiles = 2, kBothFilesMissing = 4, kOneFileMissing = 6, kEqualFileNames = 7
-} FileComparison;
-FileComparison path_full_compare(char_u *s1, char_u *s2, int checkname);
-char_u *path_tail(char_u *fname);
-char_u *path_tail_with_sep(char_u *fname);
-char_u *path_next_component(char_u *fname);
-]]
+path = cimport './src/path.h'
 
 -- import constants parsed by ffi
 {:kEqualFiles, :kDifferentFiles, :kBothFilesMissing, :kOneFileMissing, :kEqualFileNames} = path
@@ -120,8 +110,6 @@ describe 'more path function', ->
     lfs.rmdir 'unit-test-directory'
 
   describe 'vim_FullName', ->
-    ffi.cdef 'int vim_FullName(char *fname, char *buf, int len, int force);'
-
     vim_FullName = (filename, buffer, length, force) ->
       filename = to_cstr filename
       path.vim_FullName filename, buffer, length, force
@@ -209,8 +197,6 @@ describe 'more path function', ->
       eq OK, result
 
   describe 'append_path', ->
-    ffi.cdef 'int append_path(char *path, char *to_append, int max_len);'
-
     it 'joins given paths with a slash', ->
      path1 = cstr 100, 'path1'
      to_append = to_cstr 'path2'
@@ -247,8 +233,6 @@ describe 'more path function', ->
       eq '/path2', (ffi.string path1)
 
   describe 'path_is_absolute_path', ->
-    ffi.cdef 'int path_is_absolute_path(char *fname);'
-
     path_is_absolute_path = (filename) ->
       filename = to_cstr filename
       path.path_is_absolute_path filename