xref: /vim-8.2.3635/src/testdir/test_assert.vim (revision 6938e27a)
1" Test that the methods used for testing work.
2
3func Test_assert_false()
4  call assert_equal(0, assert_false(0))
5  call assert_equal(0, assert_false(v:false))
6  call assert_equal(0, v:false->assert_false())
7
8  call assert_equal(1, assert_false(123))
9  call assert_match("Expected False but got 123", v:errors[0])
10  call remove(v:errors, 0)
11
12  call assert_equal(1, 123->assert_false())
13  call assert_match("Expected False but got 123", v:errors[0])
14  call remove(v:errors, 0)
15endfunc
16
17func Test_assert_true()
18  call assert_equal(0, assert_true(1))
19  call assert_equal(0, assert_true(123))
20  call assert_equal(0, assert_true(v:true))
21  call assert_equal(0, v:true->assert_true())
22
23  call assert_equal(1, assert_true(0))
24  call assert_match("Expected True but got 0", v:errors[0])
25  call remove(v:errors, 0)
26
27  call assert_equal(1, 0->assert_true())
28  call assert_match("Expected True but got 0", v:errors[0])
29  call remove(v:errors, 0)
30endfunc
31
32func Test_assert_equal()
33  let s = 'foo'
34  call assert_equal(0, assert_equal('foo', s))
35  let n = 4
36  call assert_equal(0, assert_equal(4, n))
37  let l = [1, 2, 3]
38  call assert_equal(0, assert_equal([1, 2, 3], l))
39  call assert_equal(test_null_list(), test_null_list())
40  call assert_equal(test_null_list(), [])
41  call assert_equal([], test_null_list())
42
43  let s = 'foo'
44  call assert_equal(1, assert_equal('bar', s))
45  call assert_match("Expected 'bar' but got 'foo'", v:errors[0])
46  call remove(v:errors, 0)
47
48  call assert_equal('XxxxxxxxxxxxxxxxxxxxxxX', 'XyyyyyyyyyyyyyyyyyyyyyyyyyX')
49  call assert_match("Expected 'X\\\\\\[x occurs 21 times]X' but got 'X\\\\\\[y occurs 25 times]X'", v:errors[0])
50  call remove(v:errors, 0)
51endfunc
52
53func Test_assert_equalfile()
54  call assert_equal(1, assert_equalfile('abcabc', 'xyzxyz'))
55  call assert_match("E485: Can't read file abcabc", v:errors[0])
56  call remove(v:errors, 0)
57
58  let goodtext = ["one", "two", "three"]
59  call writefile(goodtext, 'Xone')
60  call assert_equal(1, 'Xone'->assert_equalfile('xyzxyz'))
61  call assert_match("E485: Can't read file xyzxyz", v:errors[0])
62  call remove(v:errors, 0)
63
64  call writefile(goodtext, 'Xtwo')
65  call assert_equal(0, assert_equalfile('Xone', 'Xtwo'))
66
67  call writefile([goodtext[0]], 'Xone')
68  call assert_equal(1, assert_equalfile('Xone', 'Xtwo'))
69  call assert_match("first file is shorter", v:errors[0])
70  call remove(v:errors, 0)
71
72  call writefile(goodtext, 'Xone')
73  call writefile([goodtext[0]], 'Xtwo')
74  call assert_equal(1, assert_equalfile('Xone', 'Xtwo'))
75  call assert_match("second file is shorter", v:errors[0])
76  call remove(v:errors, 0)
77
78  call writefile(['1234X89'], 'Xone')
79  call writefile(['1234Y89'], 'Xtwo')
80  call assert_equal(1, assert_equalfile('Xone', 'Xtwo'))
81  call assert_match('difference at byte 4, line 1 after "1234X" vs "1234Y"', v:errors[0])
82  call remove(v:errors, 0)
83
84  call writefile([repeat('x', 234) .. 'X'], 'Xone')
85  call writefile([repeat('x', 234) .. 'Y'], 'Xtwo')
86  call assert_equal(1, assert_equalfile('Xone', 'Xtwo'))
87  let xes = repeat('x', 134)
88  call assert_match('difference at byte 234, line 1 after "' .. xes .. 'X" vs "' .. xes .. 'Y"', v:errors[0])
89  call remove(v:errors, 0)
90
91  call assert_equal(1, assert_equalfile('Xone', 'Xtwo', 'a message'))
92  call assert_match("a message: difference at byte 234, line 1 after", v:errors[0])
93  call remove(v:errors, 0)
94
95  call delete('Xone')
96  call delete('Xtwo')
97endfunc
98
99func Test_assert_notequal()
100  let n = 4
101  call assert_equal(0, assert_notequal('foo', n))
102  let s = 'foo'
103  call assert_equal(0, assert_notequal([1, 2, 3], s))
104
105  call assert_equal(1, assert_notequal('foo', s))
106  call assert_match("Expected not equal to 'foo'", v:errors[0])
107  call remove(v:errors, 0)
108endfunc
109
110func Test_assert_report()
111  call assert_equal(1, assert_report('something is wrong'))
112  call assert_match('something is wrong', v:errors[0])
113  call remove(v:errors, 0)
114  call assert_equal(1, 'also wrong'->assert_report())
115  call assert_match('also wrong', v:errors[0])
116  call remove(v:errors, 0)
117endfunc
118
119func Test_assert_exception()
120  try
121    nocommand
122  catch
123    call assert_equal(0, assert_exception('E492:'))
124  endtry
125
126  try
127    nocommand
128  catch
129    try
130      " illegal argument, get NULL for error
131      call assert_equal(1, assert_exception([]))
132    catch
133      call assert_equal(0, assert_exception('E730:'))
134    endtry
135  endtry
136endfunc
137
138func Test_wrong_error_type()
139  let save_verrors = v:errors
140  let v:['errors'] = {'foo': 3}
141  call assert_equal('yes', 'no')
142  let verrors = v:errors
143  let v:errors = save_verrors
144  call assert_equal(type([]), type(verrors))
145endfunc
146
147func Test_compare_fail()
148  let s:v = {}
149  let s:x = {"a": s:v}
150  let s:v["b"] = s:x
151  let s:w = {"c": s:x, "d": ''}
152  try
153    call assert_equal(s:w, '')
154  catch
155    call assert_equal(0, assert_exception('E724:'))
156    call assert_match("Expected NULL but got ''", v:errors[0])
157    call remove(v:errors, 0)
158  endtry
159endfunc
160
161func Test_match()
162  call assert_equal(0, assert_match('^f.*b.*r$', 'foobar'))
163
164  call assert_equal(1, assert_match('bar.*foo', 'foobar'))
165  call assert_match("Pattern 'bar.*foo' does not match 'foobar'", v:errors[0])
166  call remove(v:errors, 0)
167
168  call assert_equal(1, assert_match('bar.*foo', 'foobar', 'wrong'))
169  call assert_match('wrong', v:errors[0])
170  call remove(v:errors, 0)
171
172  call assert_equal(1, 'foobar'->assert_match('bar.*foo', 'wrong'))
173  call assert_match('wrong', v:errors[0])
174  call remove(v:errors, 0)
175endfunc
176
177func Test_notmatch()
178  call assert_equal(0, assert_notmatch('foo', 'bar'))
179  call assert_equal(0, assert_notmatch('^foobar$', 'foobars'))
180
181  call assert_equal(1, assert_notmatch('foo', 'foobar'))
182  call assert_match("Pattern 'foo' does match 'foobar'", v:errors[0])
183  call remove(v:errors, 0)
184
185  call assert_equal(1, 'foobar'->assert_notmatch('foo'))
186  call assert_match("Pattern 'foo' does match 'foobar'", v:errors[0])
187  call remove(v:errors, 0)
188endfunc
189
190func Test_assert_fail_fails()
191  call assert_equal(1, assert_fails('xxx', {}))
192  call assert_match("Expected {} but got 'E731:", v:errors[0])
193  call remove(v:errors, 0)
194
195  call assert_equal(1, assert_fails('xxx', {}, 'stupid'))
196  call assert_match("stupid: Expected {} but got 'E731:", v:errors[0])
197  call remove(v:errors, 0)
198
199  call assert_equal(1, assert_fails('echo', '', 'echo command'))
200  call assert_match("command did not fail: echo command", v:errors[0])
201  call remove(v:errors, 0)
202
203  call assert_equal(1, 'echo'->assert_fails('', 'echo command'))
204  call assert_match("command did not fail: echo command", v:errors[0])
205  call remove(v:errors, 0)
206endfunc
207
208func Test_assert_fails_in_try_block()
209  try
210    call assert_equal(0, assert_fails('throw "error"'))
211  endtry
212endfunc
213
214func Test_assert_beeps()
215  new
216  call assert_equal(0, assert_beeps('normal h'))
217
218  call assert_equal(1, assert_beeps('normal 0'))
219  call assert_match("command did not beep: normal 0", v:errors[0])
220  call remove(v:errors, 0)
221
222  call assert_equal(0, 'normal h'->assert_beeps())
223  call assert_equal(1, 'normal 0'->assert_beeps())
224  call assert_match("command did not beep: normal 0", v:errors[0])
225  call remove(v:errors, 0)
226
227  bwipe
228endfunc
229
230func Test_assert_inrange()
231  call assert_equal(0, assert_inrange(7, 7, 7))
232  call assert_equal(0, assert_inrange(5, 7, 5))
233  call assert_equal(0, assert_inrange(5, 7, 6))
234  call assert_equal(0, assert_inrange(5, 7, 7))
235
236  call assert_equal(1, assert_inrange(5, 7, 4))
237  call assert_match("Expected range 5 - 7, but got 4", v:errors[0])
238  call remove(v:errors, 0)
239  call assert_equal(1, assert_inrange(5, 7, 8))
240  call assert_match("Expected range 5 - 7, but got 8", v:errors[0])
241  call remove(v:errors, 0)
242
243  call assert_equal(0, 5->assert_inrange(5, 7))
244  call assert_equal(0, 7->assert_inrange(5, 7))
245  call assert_equal(1, 8->assert_inrange(5, 7))
246  call assert_match("Expected range 5 - 7, but got 8", v:errors[0])
247  call remove(v:errors, 0)
248
249  call assert_fails('call assert_inrange(1, 1)', 'E119:')
250
251  if has('float')
252    call assert_equal(0, assert_inrange(7.0, 7, 7))
253    call assert_equal(0, assert_inrange(7, 7.0, 7))
254    call assert_equal(0, assert_inrange(7, 7, 7.0))
255    call assert_equal(0, assert_inrange(5, 7, 5.0))
256    call assert_equal(0, assert_inrange(5, 7, 6.0))
257    call assert_equal(0, assert_inrange(5, 7, 7.0))
258
259    call assert_equal(1, assert_inrange(5, 7, 4.0))
260    call assert_match("Expected range 5.0 - 7.0, but got 4.0", v:errors[0])
261    call remove(v:errors, 0)
262    call assert_equal(1, assert_inrange(5, 7, 8.0))
263    call assert_match("Expected range 5.0 - 7.0, but got 8.0", v:errors[0])
264    call remove(v:errors, 0)
265  endif
266endfunc
267
268func Test_assert_with_msg()
269  call assert_equal('foo', 'bar', 'testing')
270  call assert_match("testing: Expected 'foo' but got 'bar'", v:errors[0])
271  call remove(v:errors, 0)
272endfunc
273
274func Test_override()
275  call test_override('char_avail', 1)
276  eval 1->test_override('redraw')
277  call test_override('ALL', 0)
278  call assert_fails("call test_override('xxx', 1)", 'E475')
279  call assert_fails("call test_override('redraw', 'yes')", 'E474')
280endfunc
281
282func Test_mouse_position()
283  let save_mouse = &mouse
284  set mouse=a
285  new
286  call setline(1, ['line one', 'line two'])
287  call assert_equal([0, 1, 1, 0], getpos('.'))
288  call test_setmouse(1, 5)
289  call feedkeys("\<LeftMouse>", "xt")
290  call assert_equal([0, 1, 5, 0], getpos('.'))
291  call test_setmouse(2, 20)
292  call feedkeys("\<LeftMouse>", "xt")
293  call assert_equal([0, 2, 8, 0], getpos('.'))
294  call test_setmouse(5, 1)
295  call feedkeys("\<LeftMouse>", "xt")
296  call assert_equal([0, 2, 1, 0], getpos('.'))
297  bwipe!
298  let &mouse = save_mouse
299endfunc
300
301func Test_user_is_happy()
302  smile
303  sleep 300m
304endfunc
305
306" Must be last.
307func Test_zz_quit_detected()
308  " Verify that if a test function ends Vim the test script detects this.
309  quit
310endfunc
311