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refactor: add tests for env_expand_esc

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bobtwinkles
2015-03-14 02:30:45 -04:00
committed by Justin M. Keyes
parent 03d47965c0
commit 3fc18e25b8
1 changed files with 78 additions and 0 deletions
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78
test/unit/os/env_spec.lua
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@@ -11,6 +11,9 @@ local NULL = helpers.NULL
require('lfs')
-- Needed because expand_env_esc uses the char table
helpers.vim_init()
local env = cimport('./src/nvim/os/os.h')
describe('env function', function()
@@ -127,4 +130,79 @@ describe('env function', function()
eq(hostname, (ffi.string(hostname_buf)))
end)
end)
describe('expand_env_esc', function()
it('expands environment variables', function()
local name = 'NEOVIM_UNIT_TEST_EXPAND_ENV_ESCN'
local value = 'NEOVIM_UNIT_TEST_EXPAND_ENV_ESCV'
os_setenv(name, value, 1)
-- TODO(bobtwinkles) This only tests UNIX expansions. There should be a
-- test for windows as well
local input1 = to_cstr('$NEOVIM_UNIT_TEST_EXPAND_ENV_ESCN/test')
local input2 = to_cstr('${NEOVIM_UNIT_TEST_EXPAND_ENV_ESCN}/test')
local output_buff1 = cstr(255, '')
local output_buff2 = cstr(255, '')
local output_expected = 'NEOVIM_UNIT_TEST_EXPAND_ENV_ESCV/test'
env.expand_env_esc(input1, output_buff1, 255, false, true, NULL)
env.expand_env_esc(input2, output_buff2, 255, false, true, NULL)
eq(output_expected, ffi.string(output_buff1))
eq(output_expected, ffi.string(output_buff2))
end)
it('expands ~ once when one is true', function()
local input = '~/foo ~ foo'
local homedir = cstr(255, '')
env.expand_env_esc(to_cstr('~'), homedir, 255, false, true, NULL)
local output_expected = ffi.string(homedir) .. "/foo ~ foo"
local output = cstr(255, '')
env.expand_env_esc(to_cstr(input), output, 255, false, true, NULL)
eq(ffi.string(output), ffi.string(output_expected))
end)
it('expands ~ every time when one is false', function()
local input = to_cstr('~/foo ~ foo')
local homedir = cstr(255, '')
env.expand_env_esc(to_cstr('~'), homedir, 255, false, true, NULL)
homedir = ffi.string(homedir)
local output_expected = homedir .. "/foo " .. homedir .. " foo"
local output = cstr(255, '')
env.expand_env_esc(input, output, 255, false, false, NULL)
eq(output_expected, ffi.string(output))
end)
it('respects the dstlen parameter without expansion', function()
local input = to_cstr('this is a very long thing that will not fit')
-- The buffer is long enough to actually contain the full input in case the
-- test fails, but we don't tell expand_env_esc that
local output = cstr(255, '')
env.expand_env_esc(input, output, 5, false, true, NULL)
-- Make sure the first few characters are copied properly and that there is a
-- terminating null character
for i=0,3 do
eq(input[i], output[i])
end
eq(0, output[4])
end)
it('respects the dstlen parameter with expansion', function()
local varname = to_cstr('NVIM_UNIT_TEST_EXPAND_ENV_ESC_DSTLENN')
local varval = to_cstr('NVIM_UNIT_TEST_EXPAND_ENV_ESC_DSTLENV')
env.os_setenv(varname, varval, 1)
-- TODO(bobtwinkles) This test uses unix-specific environment variable accessing,
-- should have some alternative for windows
local input = to_cstr('$NVIM_UNIT_TEST_EXPAND_ENV_ESC_DSTLENN/even more stuff')
-- The buffer is long enough to actually contain the full input in case the
-- test fails, but we don't tell expand_env_esc that
local output = cstr(255, '')
env.expand_env_esc(input, output, 5, false, true, NULL)
-- Make sure the first few characters are copied properly and that there is a
-- terminating null character
-- expand_env_esc SHOULD NOT expand the variable if there is not enough space to
-- contain the result
for i=0,3 do
eq(output[i], input[i])
end
eq(output[4], 0)
end)
end)
end)