File: any_spec.rb

package info (click to toggle)
ruby-immutable-ruby 0.1.0-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,852 kB
  • sloc: ruby: 16,556; makefile: 4
file content (69 lines) | stat: -rw-r--r-- 1,487 bytes parent folder | download
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
require 'spec_helper'

describe Immutable::Vector do
  let(:vector) { V[*values] }

  describe '#any?' do
    let(:any?) { vector.any?(&block) }

    context 'when created with no values' do
      let(:values) { [] }

      context 'with a block' do
        let(:block) { ->(item) { item + 1 } }

        it 'returns false' do
          expect(any?).to be(false)
        end
      end

      context 'with a block' do
        let(:block) { nil }

        it 'returns false' do
          expect(any?).to be(false)
        end
      end
    end

    context 'when created with values' do
      let(:values) { ['A', 'B', 3, nil] }

      context 'with a block that returns true' do
        let(:block) { ->(item) { item == 3 } }

        it 'returns true' do
          expect(any?).to be(true)
        end
      end

      context "with a block that doesn't return true" do
        let(:block) { ->(item) { item == 'D' } }

        it 'returns false' do
          expect(any?).to be(false)
        end
      end

      context 'without a block' do
        let(:block) { nil }

        context 'with some values that are truthy' do
          let(:values) { [nil, false, 'B'] }

          it 'returns true' do
            expect(any?).to be(true)
          end
        end

        context 'with all values that are falsey' do
          let(:values) { [nil, false] }

          it 'returns false' do
            expect(any?).to be(false)
          end
        end
      end
    end
  end
end