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
|
require 'mocha/parameter_matchers/base'
module Mocha
module ParameterMatchers
# Matches +Hash+ containing entry with +key+ and +value+.
#
# @overload def has_entry(key, value)
# @param [Object] key key for entry.
# @param [Object] value value for entry.
# @overload def has_entry(single_entry_hash)
# @param [Hash] single_entry_hash +Hash+ with single entry.
# @raise [ArgumentError] if +single_entry_hash+ does not contain exactly one entry.
#
# @return [HasEntry] parameter matcher.
#
# @see Expectation#with
#
# @example Actual parameter contains expected entry supplied as key and value.
# object = mock()
# object.expects(:method_1).with(has_entry('key_1', 1))
# object.method_1('key_1' => 1, 'key_2' => 2)
# # no error raised
#
# @example Actual parameter contains expected entry supplied as +Hash+ entry.
# object = mock()
# object.expects(:method_1).with(has_entry('key_1' => 1))
# object.method_1('key_1' => 1, 'key_2' => 2)
# # no error raised
#
# @example Actual parameter does not contain expected entry supplied as key and value.
# object = mock()
# object.expects(:method_1).with(has_entry('key_1', 1))
# object.method_1('key_1' => 2, 'key_2' => 1)
# # error raised, because method_1 was not called with Hash containing entry: 'key_1' => 1
#
# @example Actual parameter does not contain expected entry supplied as +Hash+ entry.
#
# object = mock()
# object.expects(:method_1).with(has_entry('key_1' => 1))
# object.method_1('key_1' => 2, 'key_2' => 1)
# # error raised, because method_1 was not called with Hash containing entry: 'key_1' => 1
def has_entry(*options)
case options.length
when 1
case options[0]
when Hash
case options[0].length
when 0
raise ArgumentError.new("Argument has no entries.")
when 1
key, value = options[0].first
else
raise ArgumentError.new("Argument has multiple entries. Use Mocha::ParameterMatchers#has_entries instead.")
end
else
raise ArgumentError.new("Argument is not a Hash.")
end
when 2
key, value = options
else
raise ArgumentError.new("Too many arguments; use either a single argument (must be a Hash) or two arguments (a key and a value).")
end
HasEntry.new(key, value)
end
# Parameter matcher which matches when actual parameter contains expected +Hash+ entry.
class HasEntry < Base
# @private
def initialize(key, value)
@key, @value = key, value
end
# @private
def matches?(available_parameters)
parameter = available_parameters.shift
return false unless parameter.respond_to?(:keys) && parameter.respond_to?(:[])
matching_keys = parameter.keys.select { |key| @key.to_matcher.matches?([key]) }
matching_keys.any? { |key| @value.to_matcher.matches?([parameter[key]]) }
end
# @private
def mocha_inspect
"has_entry(#{@key.mocha_inspect} => #{@value.mocha_inspect})"
end
end
end
end
|
