aboutsummaryrefslogtreecommitdiff
path: root/spec/04-term_spec.lua
blob: 77d2ce335377beb19596e933f8c07b556b1c4d2b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
-- Import the library that contains the environment-related functions
local system = require("system")
require("spec.helpers")

describe("Terminal:", function()

  local wincodepage

  setup(function()
    wincodepage = system.getconsoleoutputcp()
    assert(system.setconsoleoutputcp(65001))
  end)

  teardown(function()
    assert(system.setconsoleoutputcp(wincodepage))
  end)



  describe("isatty()", function()

    local newtmpfile = require("pl.path").tmpname

    -- set each param to true to make it a tty, to false for a stream
    local function getttyresults(sin, sout, serr)
      assert(type(sin) == "boolean", "sin must be a boolean")
      assert(type(sout) == "boolean", "sout must be a boolean")
      assert(type(serr) == "boolean", "serr must be a boolean")

      local tmpfile = "./spec/04-term_helper.output"
      local execcmd = "lua ./spec/04-term_helper.lua -- " .. tmpfile

      sin = sin and "" or 'echo "hello" | '
      if system.windows then
        sout = sout and "" or (" > " .. newtmpfile())
        serr = serr and "" or (" 2> " .. newtmpfile())
      else
        sout = sout and "" or (" > " .. newtmpfile())
        serr = serr and "" or (" 2> " .. newtmpfile())
      end

      local cmd = sin .. execcmd .. sout .. serr

      -- print("cmd: ", cmd)

      os.remove(tmpfile)
      assert(os.execute(cmd))
      local result = assert(require("pl.utils").readfile(tmpfile))
      os.remove(tmpfile)

      -- print("result: ", result)

      return assert(require("pl.compat").load("return " .. result))()
    end



    it("returns true for all if a terminal #manual", function()
      assert.are.same(
        {
          stdin = true,
          stdout = true,
          stderr = true,
        },
        getttyresults(true, true, true)
      )
    end)


    it("returns false for stdin if not a terminal #manual", function()
      assert.are.same(
        {
          stdin = false,
          stdout = true,
          stderr = true,
        },
        getttyresults(false, true, true)
      )
    end)


    it("returns false for stdout if not a terminal #manual", function()
      assert.are.same(
        {
          stdin = true,
          stdout = false,
          stderr = true,
        },
        getttyresults(true, false, true)
      )
    end)


    it("returns false for stderr if not a terminal #manual", function()
      assert.are.same(
        {
          stdin = true,
          stdout = true,
          stderr = false,
        },
        getttyresults(true, true, false)
      )
    end)

  end)



  describe("getconsoleflags()", function()

    win_it("returns the consoleflags #manual", function()
      local flags, err = system.getconsoleflags(io.stdout)
      assert.is_nil(err)
      assert.is_userdata(flags)
      assert.equals("bitflags:", tostring(flags):sub(1,9))
    end)


    nix_it("returns the consoleflags, always value 0", function()
      local flags, err = system.getconsoleflags(io.stdout)
      assert.is_nil(err)
      assert.is_userdata(flags)
      assert.equals("bitflags:", tostring(flags):sub(1,9))
      assert.equals(0, flags:value())
    end)


    it("returns an error if called with an invalid argument", function()
      assert.has.error(function()
        system.getconsoleflags("invalid")
      end, "bad argument #1 to 'getconsoleflags' (FILE* expected, got string)")
    end)

  end)



  describe("setconsoleflags()", function()

    win_it("sets the consoleflags #manual", function()
      local old_flags = assert(system.getconsoleflags(io.stdout))
      finally(function()
        system.setconsoleflags(io.stdout, old_flags)
      end)

      local new_flags
      if old_flags:has_all_of(system.COF_VIRTUAL_TERMINAL_PROCESSING) then
        new_flags = old_flags - system.COF_VIRTUAL_TERMINAL_PROCESSING
      else
        new_flags = old_flags + system.COF_VIRTUAL_TERMINAL_PROCESSING
      end

      local success, err = system.setconsoleflags(io.stdout, new_flags)
      assert.is_nil(err)
      assert.is_true(success)

      local updated_flags = assert(system.getconsoleflags(io.stdout))
      assert.equals(new_flags:value(), updated_flags:value())
    end)


    nix_it("sets the consoleflags, always succeeds", function()
      assert(system.setconsoleflags(io.stdout, system.getconsoleflags(io.stdout)))
    end)


    it("returns an error if called with an invalid argument", function()
      assert.has.error(function()
        system.setconsoleflags("invalid")
      end, "bad argument #1 to 'setconsoleflags' (FILE* expected, got string)")
    end)

  end)



  pending("tcgetattr()", function()

    pending("sets the consoleflags, if called with flags", function()
    end)

  end)



  pending("tcsetattr()", function()

    pending("sets the consoleflags, if called with flags", function()
    end)

  end)



  pending("getconsolecp()", function()

    pending("sets the consoleflags, if called with flags", function()
    end)

  end)



  pending("setconsolecp()", function()

    pending("sets the consoleflags, if called with flags", function()
    end)

  end)



  pending("getconsoleoutputcp()", function()

    pending("sets the consoleflags, if called with flags", function()
    end)

  end)



  pending("setconsoleoutputcp()", function()

    pending("sets the consoleflags, if called with flags", function()
    end)

  end)



  pending("getnonblock()", function()

    pending("sets the consoleflags, if called with flags", function()
    end)

  end)



  pending("setnonblock()", function()

    pending("sets the consoleflags, if called with flags", function()
    end)

  end)



  pending("termsize()", function()

    pending("sets the consoleflags, if called with flags", function()
    end)

  end)



  describe("utf8cwidth()", function()

    local ch1 = string.char(226, 130, 172)       -- "€"   single
    local ch2 = string.char(240, 159, 154, 128)  -- "🚀"  double
    local ch3 = string.char(228, 189, 160)       -- "你"  double
    local ch4 = string.char(229, 165, 189)       -- "好"  double

    it("handles zero width characters", function()
      assert.same({0}, {system.utf8cwidth("")}) -- empty string returns 0-size
      assert.same({nil, 'Character width determination failed'}, {system.utf8cwidth("\a")})  -- bell character
      assert.same({nil, 'Character width determination failed'}, {system.utf8cwidth("\27")}) -- escape character
    end)

    it("handles single width characters", function()
      assert.same({1}, {system.utf8cwidth("a")})
      assert.same({1}, {system.utf8cwidth(ch1)})
    end)

    it("handles double width characters", function()
      assert.same({2}, {system.utf8cwidth(ch2)})
      assert.same({2}, {system.utf8cwidth(ch3)})
      assert.same({2}, {system.utf8cwidth(ch4)})
    end)

    it("returns the width of the first character in the string", function()
      assert.same({nil, 'Character width determination failed'}, {system.utf8cwidth("\a" .. ch1)})  -- bell character + EURO
      assert.same({1}, {system.utf8cwidth(ch1 .. ch2)})
      assert.same({2}, {system.utf8cwidth(ch2 .. ch3 .. ch4)})
    end)

  end)



  describe("utf8swidth()", function()

    local ch1 = string.char(226, 130, 172)       -- "€"   single
    local ch2 = string.char(240, 159, 154, 128)  -- "🚀"  double
    local ch3 = string.char(228, 189, 160)       -- "你"  double
    local ch4 = string.char(229, 165, 189)       -- "好"  double

    it("handles zero width characters", function()
      assert.same({0}, {system.utf8swidth("")}) -- empty string returns 0-size
      assert.same({nil, 'Character width determination failed'}, {system.utf8swidth("\a")})  -- bell character
      assert.same({nil, 'Character width determination failed'}, {system.utf8swidth("\27")}) -- escape character
    end)

    it("handles multi-character UTF8 strings", function()
      assert.same({15}, {system.utf8swidth("hello " .. ch1 .. ch2 .. " world")})
      assert.same({16}, {system.utf8swidth("hello " .. ch3 .. ch4 .. " world")})
    end)

  end)



  pending("termbackup()", function()

  end)



  pending("termrestore()", function()

  end)



  pending("termwrap()", function()

  end)



  pending("readkey()", function()

  end)



  pending("readansi()", function()

  end)

end)