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93 lines
2.9 KiB
Plaintext
93 lines
2.9 KiB
Plaintext
{:cimport, :internalize, :eq, :ffi, :lib, :cstr, :to_cstr} = require 'test.unit.helpers'
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require 'lfs'
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-- fs = cimport './src/os/os.h'
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-- remove these statements once 'cimport' is working properly for misc1.h
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env = lib
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ffi.cdef [[
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const char *os_getenv(const char *name);
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int os_setenv(const char *name, const char *value, int override);
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char *os_getenvname_at_index(size_t index);
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]]
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NULL = ffi.cast 'void*', 0
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describe 'env function', ->
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os_setenv = (name, value, override) ->
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env.os_setenv (to_cstr name), (to_cstr value), override
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os_getenv = (name) ->
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rval = env.os_getenv (to_cstr name)
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if rval != NULL
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ffi.string rval
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else
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NULL
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describe 'os_setenv', ->
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OK = 0
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it 'sets an env variable and returns OK', ->
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name = 'NEOVIM_UNIT_TEST_SETENV_1N'
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value = 'NEOVIM_UNIT_TEST_SETENV_1V'
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eq nil, os.getenv name
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eq OK, (os_setenv name, value, 1)
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eq value, os.getenv name
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it "dosn't overwrite an env variable if overwrite is 0", ->
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name = 'NEOVIM_UNIT_TEST_SETENV_2N'
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value = 'NEOVIM_UNIT_TEST_SETENV_2V'
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value_updated = 'NEOVIM_UNIT_TEST_SETENV_2V_UPDATED'
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eq OK, (os_setenv name, value, 0)
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eq value, os.getenv name
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eq OK, (os_setenv name, value_updated, 0)
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eq value, os.getenv name
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describe 'os_getenv', ->
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it 'reads an env variable', ->
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name = 'NEOVIM_UNIT_TEST_GETENV_1N'
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value = 'NEOVIM_UNIT_TEST_GETENV_1V'
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eq NULL, os_getenv name
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-- need to use os_setenv, because lua dosn't have a setenv function
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os_setenv name, value, 1
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eq value, os_getenv name
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it 'returns NULL if the env variable is not found', ->
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name = 'NEOVIM_UNIT_TEST_GETENV_NOTFOUND'
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eq NULL, os_getenv name
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describe 'os_getenvname_at_index', ->
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it 'returns names of environment variables', ->
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test_name = 'NEOVIM_UNIT_TEST_GETENVNAME_AT_INDEX_1N'
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test_value = 'NEOVIM_UNIT_TEST_GETENVNAME_AT_INDEX_1V'
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os_setenv test_name, test_value, 1
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i = 0
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names = {}
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found_name = false
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name = env.os_getenvname_at_index i
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while name != NULL
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table.insert names, ffi.string name
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if (ffi.string name) == test_name
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found_name = true
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i += 1
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name = env.os_getenvname_at_index i
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eq true, (table.getn names) > 0
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eq true, found_name
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it 'returns NULL if the index is out of bounds', ->
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huge = ffi.new 'size_t', 10000
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maxuint32 = ffi.new 'size_t', 4294967295
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eq NULL, env.os_getenvname_at_index huge
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eq NULL, env.os_getenvname_at_index maxuint32
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if ffi.abi '64bit'
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-- couldn't use a bigger number because it gets converted to
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-- double somewere, should be big enough anyway
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-- maxuint64 = ffi.new 'size_t', 18446744073709551615
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maxuint64 = ffi.new 'size_t', 18446744073709000000
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eq NULL, env.os_getenvname_at_index maxuint64
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