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local helpers = require('test.functional.helpers')
local nvim, call = helpers.meths, helpers.call
local clear, eq = helpers.clear, helpers.eq
local source, execute = helpers.source, helpers.execute
local function expected_errors(errors)
eq(errors, nvim.get_vvar('errors'))
end
local function expected_empty()
eq({}, nvim.get_vvar('errors'))
end
describe('assert function:', function()
before_each(function()
clear()
end)
-- assert_equal({expected}, {actual}, [, {msg}])
describe('assert_equal', function()
it('should not change v:errors when expected is equal to actual', function()
source([[
let s = 'foo'
call assert_equal('foo', s)
let n = 4
call assert_equal(4, n)
let l = [1, 2, 3]
call assert_equal([1, 2, 3], l)
fu Func()
endfu
let F1 = function('Func')
let F2 = function('Func')
call assert_equal(F1, F2)
]])
expected_empty()
end)
it('should not change v:errors when expected is equal to actual', function()
call('assert_equal', '', '')
call('assert_equal', 'string', 'string')
expected_empty()
end)
it('should change v:errors when expected is not equal to actual', function()
call('assert_equal', 0, {0})
expected_errors({'Expected 0 but got [0]'})
end)
it('should change v:errors when expected is not equal to actual', function()
call('assert_equal', 0, "0")
expected_errors({"Expected 0 but got '0'"})
end)
it('should change v:errors when expected is not equal to actual', function()
-- Lua does not tell integer from float.
execute('call assert_equal(1, 1.0)')
expected_errors({'Expected 1 but got 1.0'})
end)
it('should change v:errors when expected is not equal to actual', function()
call('assert_equal', 'true', 'false')
expected_errors({"Expected 'true' but got 'false'"})
end)
end)
-- assert_false({actual}, [, {msg}])
describe('assert_false', function()
it('should not change v:errors when actual is false', function()
call('assert_false', 0)
call('assert_false', false)
expected_empty()
end)
it('should change v:errors when actual is not false', function()
call('assert_false', 1)
expected_errors({'Expected False but got 1'})
end)
it('should change v:errors when actual is not false', function()
call('assert_false', {})
expected_errors({'Expected False but got []'})
end)
end)
-- assert_true({actual}, [, {msg}])
describe('assert_true', function()
it('should not change v:errors when actual is true', function()
call('assert_true', 1)
call('assert_true', -1) -- In Vim script, non-zero Numbers are TRUE.
call('assert_true', true)
expected_empty()
end)
it('should change v:errors when actual is not true', function()
call('assert_true', 1.5)
expected_errors({'Expected True but got 1.5'})
end)
end)
describe('v:errors', function()
it('should be initialized at startup', function()
expected_empty()
end)
it('should have function names and relative line numbers', function()
source([[
fu Func_one()
call assert_equal([0], {'0' : 0})
call assert_false('False')
call assert_true("True")
endfu
fu Func_two()
" for shifting a line number
call assert_true('line two')
endfu
]])
call('Func_one')
call('Func_two')
expected_errors({
"function Func_one line 1: Expected [0] but got {'0': 0}",
"function Func_one line 2: Expected False but got 'False'",
"function Func_one line 3: Expected True but got 'True'",
"function Func_two line 2: Expected True but got 'line two'",
})
end)
it('should have file names and passed messages', function()
local tmpname_one = source([[
call assert_equal(1, 100, 'equal assertion failed')
call assert_false('true', 'true assertion failed')
call assert_true('false', 'false assertion failed')
]])
local tmpname_two = source([[
call assert_true('', 'file two')
]])
expected_errors({
tmpname_one .. " line 1: 'equal assertion failed'",
tmpname_one .. " line 2: 'true assertion failed'",
tmpname_one .. " line 3: 'false assertion failed'",
tmpname_two .. " line 1: 'file two'",
})
end)
end)
end)
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