mirror of
https://github.com/neovim/neovim.git
synced 2025-10-26 12:27:24 +00:00
ceade2fe53
Problem: The error message from assert_notequal() is confusing.
Solution: Only mention the expected value.
5869cf060e
303 lines
9.3 KiB
Lua
303 lines
9.3 KiB
Lua
local helpers = require('test.functional.helpers')(after_each)
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local nvim, call = helpers.meths, helpers.call
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local clear, eq = helpers.clear, helpers.eq
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local source, command = helpers.source, helpers.command
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local exc_exec = helpers.exc_exec
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local function expected_errors(errors)
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eq(errors, nvim.get_vvar('errors'))
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end
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local function expected_empty()
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eq({}, nvim.get_vvar('errors'))
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end
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describe('assert function:', function()
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before_each(function()
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clear()
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end)
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-- assert_equal({expected}, {actual}, [, {msg}])
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describe('assert_equal', function()
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it('should not change v:errors when expected is equal to actual', function()
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source([[
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let s = 'foo'
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call assert_equal('foo', s)
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let n = 4
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call assert_equal(4, n)
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let l = [1, 2, 3]
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call assert_equal([1, 2, 3], l)
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fu Func()
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endfu
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let F1 = function('Func')
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let F2 = function('Func')
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call assert_equal(F1, F2)
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]])
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expected_empty()
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end)
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it('should not change v:errors when expected is equal to actual', function()
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call('assert_equal', '', '')
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call('assert_equal', 'string', 'string')
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expected_empty()
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end)
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it('should change v:errors when expected is not equal to actual', function()
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call('assert_equal', 0, {0})
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expected_errors({'Expected 0 but got [0]'})
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end)
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it('should change v:errors when expected is not equal to actual', function()
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call('assert_equal', 0, "0")
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expected_errors({"Expected 0 but got '0'"})
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end)
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it('should change v:errors when expected is not equal to actual', function()
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-- Lua does not tell integer from float.
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command('call assert_equal(1, 1.0)')
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expected_errors({'Expected 1 but got 1.0'})
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end)
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it('should change v:errors when expected is not equal to actual', function()
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call('assert_equal', 'true', 'false')
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expected_errors({"Expected 'true' but got 'false'"})
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end)
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it('should change v:errors when expected is not equal to actual', function()
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source([[
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function CheckAssert()
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let s:v = {}
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let s:x = {"a": s:v}
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let s:v["b"] = s:x
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let s:w = {"c": s:x, "d": ''}
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call assert_equal(s:w, '')
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endfunction
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]])
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eq('Vim(call):E724: unable to correctly dump variable with self-referencing container',
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exc_exec('call CheckAssert()'))
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end)
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end)
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-- assert_notequal({expected}, {actual}[, {msg}])
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describe('assert_notequal', function()
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it('should not change v:errors when expected differs from actual', function()
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call('assert_notequal', 'foo', 4)
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call('assert_notequal', {1, 2, 3}, 'foo')
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expected_empty()
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end)
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it('should change v:errors when expected is equal to actual', function()
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call('assert_notequal', 'foo', 'foo')
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expected_errors({"Expected not equal to 'foo'"})
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end)
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end)
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-- assert_false({actual}, [, {msg}])
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describe('assert_false', function()
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it('should not change v:errors when actual is false', function()
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call('assert_false', 0)
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call('assert_false', false)
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expected_empty()
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end)
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it('should change v:errors when actual is not false', function()
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call('assert_false', 1)
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expected_errors({'Expected False but got 1'})
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end)
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it('should change v:errors when actual is not false', function()
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call('assert_false', {})
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expected_errors({'Expected False but got []'})
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end)
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end)
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-- assert_true({actual}, [, {msg}])
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describe('assert_true', function()
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it('should not change v:errors when actual is true', function()
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call('assert_true', 1)
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call('assert_true', -1) -- In Vim script, non-zero Numbers are TRUE.
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call('assert_true', true)
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expected_empty()
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end)
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it('should change v:errors when actual is not true', function()
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call('assert_true', 1.5)
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expected_errors({'Expected True but got 1.5'})
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end)
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end)
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describe('v:errors', function()
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it('should be initialized at startup', function()
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expected_empty()
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end)
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it('should have function names and relative line numbers', function()
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source([[
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fu Func_one()
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call assert_equal([0], {'0' : 0})
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call assert_false('False')
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call assert_true("True")
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endfu
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fu Func_two()
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" for shifting a line number
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call assert_true('line two')
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endfu
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]])
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call('Func_one')
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call('Func_two')
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expected_errors({
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"function Func_one line 1: Expected [0] but got {'0': 0}",
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"function Func_one line 2: Expected False but got 'False'",
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"function Func_one line 3: Expected True but got 'True'",
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"function Func_two line 2: Expected True but got 'line two'",
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})
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end)
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it('should have file names and passed messages', function()
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local tmpname_one = source([[
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call assert_equal(1, 100, 'equal assertion failed')
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call assert_false('true', 'true assertion failed')
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call assert_true('false', 'false assertion failed')
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]])
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local tmpname_two = source([[
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call assert_true('', 'file two')
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]])
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expected_errors({
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tmpname_one .. " line 1: 'equal assertion failed'",
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tmpname_one .. " line 2: 'true assertion failed'",
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tmpname_one .. " line 3: 'false assertion failed'",
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tmpname_two .. " line 1: 'file two'",
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})
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end)
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it('is reset to a list by assert functions', function()
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source([[
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let save_verrors = v:errors
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let v:['errors'] = {'foo': 3}
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call assert_equal('yes', 'no')
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let verrors = v:errors
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let v:errors = save_verrors
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call assert_equal(type([]), type(verrors))
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]])
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expected_empty()
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end)
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end)
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-- assert_match({pat}, {text}[, {msg}])
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describe('assert_match', function()
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it('should not change v:errors when pat matches text', function()
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call('assert_match', '^f.*b.*r$', 'foobar')
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expected_empty()
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end)
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it('should change v:errors when pat does not match text', function()
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call('assert_match', 'bar.*foo', 'foobar')
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expected_errors({"Pattern 'bar.*foo' does not match 'foobar'"})
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end)
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it('should set v:errors to msg when given and match fails', function()
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call('assert_match', 'bar.*foo', 'foobar', 'wrong')
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expected_errors({"'wrong'"})
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end)
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end)
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-- assert_notmatch({pat}, {text}[, {msg}])
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describe('assert_notmatch', function()
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it('should not change v:errors when pat does not match text', function()
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call('assert_notmatch', 'foo', 'bar')
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call('assert_notmatch', '^foobar$', 'foobars')
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expected_empty()
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end)
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it('should change v:errors when pat matches text', function()
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call('assert_notmatch', 'foo', 'foobar')
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expected_errors({"Pattern 'foo' does match 'foobar'"})
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end)
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end)
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-- assert_fails({cmd}, [, {error}])
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describe('assert_fails', function()
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it('should change v:errors when error does not match v:errmsg', function()
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command([[call assert_fails('xxx', {})]])
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command([[call assert_match("Expected {} but got 'E731:", v:errors[0])]])
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expected_errors({"Expected {} but got 'E731: using Dictionary as a String'"})
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end)
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it('should not change v:errors when cmd errors', function()
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call('assert_fails', 'NonexistentCmd')
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expected_empty()
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end)
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it('should change v:errors when cmd succeeds', function()
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call('assert_fails', 'call empty("")')
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expected_errors({'command did not fail: call empty("")'})
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end)
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end)
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-- assert_inrange({lower}, {upper}, {actual}[, {msg}])
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describe('assert_inrange()', function()
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it('should not change v:errors when actual is in range', function()
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call('assert_inrange', 7, 7, 7)
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call('assert_inrange', 5, 7, 5)
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call('assert_inrange', 5, 7, 6)
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call('assert_inrange', 5, 7, 7)
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expected_empty()
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end)
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it('should change v:errors when actual is not in range', function()
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call('assert_inrange', 5, 7, 4)
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call('assert_inrange', 5, 7, 8)
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expected_errors({
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"Expected range 5 - 7, but got 4",
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"Expected range 5 - 7, but got 8",
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})
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end)
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it('assert_inrange(1, 1) returns E119', function()
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eq('Vim(call):E119: Not enough arguments for function: assert_inrange',
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exc_exec("call assert_inrange(1, 1)"))
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end)
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end)
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-- assert_report({msg})
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describe('assert_report()', function()
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it('should add a message to v:errors', function()
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command("call assert_report('something is wrong')")
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command("call assert_match('something is wrong', v:errors[0])")
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command('call remove(v:errors, 0)')
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expected_empty()
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end)
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end)
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-- assert_exception({cmd}, [, {error}])
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describe('assert_exception()', function()
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it('should assert thrown exceptions properly', function()
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source([[
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try
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nocommand
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catch
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call assert_exception('E492')
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endtry
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]])
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expected_empty()
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end)
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it('should work properly when nested', function()
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source([[
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try
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nocommand
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catch
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try
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" illegal argument, get NULL for error
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call assert_exception([])
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catch
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call assert_exception('E730')
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endtry
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endtry
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]])
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expected_empty()
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end)
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end)
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end)
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