summaryrefslogtreecommitdiff
path: root/test/minitest/test_mini_spec.rb
blob: f7cd60acda385baabdabad7d4929586604cb37a0 (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
############################################################
# This file is imported from a different project.
# DO NOT make modifications in this repo.
# File a patch instead and assign it to Ryan Davis
############################################################

require 'minitest/spec'

MiniTest::Unit.autorun

describe MiniTest::Spec do
  before do
    @assertion_count = 4
  end

  after do
    self._assertions.must_equal @assertion_count
  end

  it "needs to have all methods named well" do
    @assertion_count = 2

    methods = Object.public_instance_methods.find_all { |n| n =~ /^must|^wont/ }
    methods.map! { |m| m.to_s } if Symbol === methods.first

    musts, wonts = methods.sort.partition { |m| m =~ /^must/ }

    expected_musts = %w(must_be
                        must_be_close_to
                        must_be_empty
                        must_be_instance_of
                        must_be_kind_of
                        must_be_nil
                        must_be_same_as
                        must_be_within_delta
                        must_be_within_epsilon
                        must_equal
                        must_include
                        must_match
                        must_raise
                        must_respond_to
                        must_send
                        must_throw)

    expected_wonts = expected_musts.map { |m| m.sub(/^must/, 'wont') }
    expected_wonts.reject! { |m| m =~ /wont_(not|raise|throw|send)/ }

    musts.must_equal expected_musts
    wonts.must_equal expected_wonts
  end

  it "needs to verify equality" do
    (6 * 7).must_equal(42).must_equal true
    proc { (6 * 9).must_equal(42) }.must_raise MiniTest::Assertion
  end

  it "needs to verify floats within a delta" do
    (6.0 * 7).must_be_close_to(42.0).must_equal true
    proc { 42.002.must_be_close_to 42.0 }.must_raise MiniTest::Assertion
  end

  it "needs to verify types of objects" do
    (6 * 7).must_be_instance_of(Fixnum).must_equal true
    proc { (6 * 7).must_be_instance_of String }.must_raise MiniTest::Assertion
  end

  it "needs to verify kinds of objects" do
    @assertion_count = 6

    (6 * 7).must_be_kind_of(Fixnum).must_equal true
    (6 * 7).must_be_kind_of(Numeric).must_equal true
    proc { (6 * 7).must_be_kind_of String }.must_raise MiniTest::Assertion
  end

  it "needs to verify regexp matches" do
    @assertion_count = 6

    "blah".must_match(/\w+/).must_equal true
    proc { "blah".must_match(/\d+/) }.must_raise MiniTest::Assertion
  end

  it "needs to verify nil" do
    nil.must_be_nil.must_equal true
    proc { 42.must_be_nil }.must_raise MiniTest::Assertion
  end

  it "needs to verify using any operator" do
    41.must_be(:<, 42).must_equal true
    proc { 42.must_be(:<, 41) }.must_raise MiniTest::Assertion
  end

  it "needs to catch an expected exception" do
    @assertion_count = 2

    proc { raise "blah" }.must_raise RuntimeError
    proc { raise MiniTest::Assertion }.must_raise MiniTest::Assertion
  end

  it "needs to catch an unexpected exception" do
    @assertion_count = 2

    proc {
      proc { raise MiniTest::Assertion }.must_raise(RuntimeError)
    }.must_raise MiniTest::Assertion
  end

  it "needs raise if an expected exception is not raised" do
    @assertion_count = 2

    proc { proc { 42 }.must_raise(RuntimeError) }.must_raise MiniTest::Assertion
  end

  it "needs to be able to catch a MiniTest::Assertion exception" do
    @assertion_count = 2

    proc { 1.wont_equal 1 }.must_raise MiniTest::Assertion
  end

  it "needs to verify using respond_to" do
    42.must_respond_to(:+).must_equal true
    proc { 42.must_respond_to(:clear) }.must_raise MiniTest::Assertion
  end

  it "needs to verify identity" do
    1.must_be_same_as(1).must_equal true
    proc { 1.must_be_same_as 2 }.must_raise MiniTest::Assertion
  end

  it "needs to verify throw" do
    @assertion_count = 6

    proc { throw :blah }.must_throw(:blah).must_equal true
    proc { proc { }.must_throw(:blah) }.must_raise MiniTest::Assertion
    proc { proc { throw :xxx }.must_throw(:blah) }.must_raise MiniTest::Assertion
  end

  it "needs to verify inequality" do
    42.wont_equal(6 * 9).must_equal false
    proc { 1.wont_equal 1 }.must_raise MiniTest::Assertion
  end

  it "needs to verify mismatch" do
    @assertion_count = 6
    "blah".wont_match(/\d+/).must_equal false
    proc { "blah".wont_match(/\w+/) }.must_raise MiniTest::Assertion
  end

  it "needs to verify non-nil" do
    42.wont_be_nil.must_equal false
    proc { nil.wont_be_nil }.must_raise MiniTest::Assertion
  end

  it "needs to verify non-identity" do
    1.wont_be_same_as(2).must_equal false
    proc { 1.wont_be_same_as 1 }.must_raise MiniTest::Assertion
  end
end