Class: Spec::Matchers::Be

Inherits:
Object show all
Defined in:
lib/spec/matchers/be.rb

Overview

:nodoc:

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Be

Returns a new instance of Be.



5
6
7
8
9
 
# File 'lib/spec/matchers/be.rb', line 5

def initialize(*args)
  @expected = parse_expected(args.shift)
  @args = args
  @comparison = ""
end

Instance Method Details

#<(expected) ⇒ Object 



79
80
81
82
83
84
 
# File 'lib/spec/matchers/be.rb', line 79

def <(expected)
  @less_than = true
  @comparison = "< "
  @expected = expected
  self
end

#<=(expected) ⇒ Object 



86
87
88
89
90
91
 
# File 'lib/spec/matchers/be.rb', line 86

def <=(expected)
  @less_than_or_equal = true
  @comparison = "<= "
  @expected = expected
  self
end

#==(expected) ⇒ Object 



65
66
67
68
69
70
 
# File 'lib/spec/matchers/be.rb', line 65

def ==(expected)
  @double_equal = true
  @comparison = "== "
  @expected = expected
  self
end

#===(expected) ⇒ Object 



72
73
74
75
76
77
 
# File 'lib/spec/matchers/be.rb', line 72

def ===(expected)
  @triple_equal = true
  @comparison = "=== "
  @expected = expected
  self
end

#>(expected) ⇒ Object 



100
101
102
103
104
105
 
# File 'lib/spec/matchers/be.rb', line 100

def >(expected)
  @greater_than = true
  @comparison = "> "
  @expected = expected
  self
end

#>=(expected) ⇒ Object 



93
94
95
96
97
98
 
# File 'lib/spec/matchers/be.rb', line 93

def >=(expected)
  @greater_than_or_equal = true
  @comparison = ">= "
  @expected = expected
  self
end

#description ⇒ Object 



107
108
109
 
# File 'lib/spec/matchers/be.rb', line 107

def description
  "#{prefix_to_sentence}#{comparison}#{expected_to_sentence}#{args_to_sentence}"
end

#expected ⇒ Object 



45
46
47
48
49
50
 
# File 'lib/spec/matchers/be.rb', line 45

def expected
  return true if @expected == :true
  return false if @expected == :false
  return "nil" if @expected == :nil
  return @expected.inspect
end

#failure_message ⇒ Object 



35
36
37
38
 
# File 'lib/spec/matchers/be.rb', line 35

def failure_message
  return "expected #{@comparison}#{expected}, got #{@actual.inspect}" unless handling_predicate?
  return "expected #{predicate}#{args_to_s} to return true, got #{@result.inspect}"
end

#match_or_compare ⇒ Object 



52
53
54
55
56
57
58
59
60
61
62
63
 
# File 'lib/spec/matchers/be.rb', line 52

def match_or_compare
  return @actual == true if @expected == :true
  return @actual == false if @expected == :false
  return @actual.nil? if @expected == :nil
  return @actual < @expected if @less_than
  return @actual <= @expected if @less_than_or_equal
  return @actual >= @expected if @greater_than_or_equal
  return @actual > @expected if @greater_than
  return @actual == @expected if @double_equal
  return @actual === @expected if @triple_equal
  return @actual.equal?(@expected)
end

#matches?(actual) ⇒ Boolean

Returns:

  • (Boolean) 


11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
 
# File 'lib/spec/matchers/be.rb', line 11

def matches?(actual)
  @actual = actual
  return true if match_or_compare unless handling_predicate?
  if handling_predicate?
    begin
      return @result = actual.__send__(predicate, *@args)
    rescue => predicate_error
      # This clause should be empty, but rcov will not report it as covered
      # unless something (anything) is executed within the clause
      rcov_error_report = "http://eigenclass.org/hiki.rb?rcov-0.8.0"
    end

    # This supports should_exist > target.exists? in the old world.
    # We should consider deprecating that ability as in the new world
    # you can't write "should exist" unless you have your own custom matcher.
    begin
      return @result = actual.__send__(present_tense_predicate, *@args)
    rescue
      raise predicate_error
    end
  end
  return false
end

#negative_failure_message ⇒ Object 



40
41
42
43
 
# File 'lib/spec/matchers/be.rb', line 40

def negative_failure_message
  return "expected not #{expected}, got #{@actual.inspect}" unless handling_predicate?
  return "expected #{predicate}#{args_to_s} to return false, got #{@result.inspect}"
end