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
|
#require 'rubygems'
require 'grok'
require 'test/unit'
class GrokPatternCapturingTests < Test::Unit::TestCase
def setup
@grok = Grok.new
end
def test_capture_methods
@grok.add_pattern("foo", ".*")
@grok.compile("%{foo}")
match = @grok.match("hello world")
assert_respond_to(match, :captures)
assert_respond_to(match, :start)
assert_respond_to(match, :end)
assert_respond_to(match, :subject)
assert_respond_to(match, :each_capture)
end
def test_basic_capture
@grok.add_pattern("foo", ".*")
@grok.compile("%{foo}")
input = "hello world"
match = @grok.match(input)
assert_equal("(?<0000>.*)", @grok.expanded_pattern)
assert_kind_of(Grok::Match, match)
assert_kind_of(Hash, match.captures)
assert_equal(match.captures.length, 1)
assert_kind_of(Array, match.captures["foo"])
assert_equal(1, match.captures["foo"].length)
assert_kind_of(String, match.captures["foo"][0])
assert_equal(input, match.captures["foo"][0])
match.each_capture do |key, val|
assert(key.is_a?(String), "Grok::Match::each_capture should yield string,string, got #{key.class.name} as first argument.")
assert(val.is_a?(String), "Grok::Match::each_capture should yield string,string, got #{key.class.name} as first argument.")
end
assert_kind_of(Fixnum, match.start)
assert_kind_of(Fixnum, match.end)
assert_kind_of(String, match.subject)
assert_equal(0, match.start,
"Match of /.*/, start should equal 0")
assert_equal(input.length, match.end,
"Match of /.*/, end should equal input string length")
assert_equal(input, match.subject)
end
def test_multiple_captures_with_same_name
@grok.add_pattern("foo", "\\w+")
@grok.compile("%{foo} %{foo}")
match = @grok.match("hello world")
assert_not_equal(false, match)
assert_equal(1, match.captures.length)
assert_equal(2, match.captures["foo"].length)
assert_equal("hello", match.captures["foo"][0])
assert_equal("world", match.captures["foo"][1])
end
def test_multiple_captures
@grok.add_pattern("foo", "\\w+")
@grok.add_pattern("bar", "\\w+")
@grok.compile("%{foo} %{bar}")
match = @grok.match("hello world")
assert_not_equal(false, match)
assert_equal(2, match.captures.length)
assert_equal(1, match.captures["foo"].length)
assert_equal(1, match.captures["bar"].length)
assert_equal("hello", match.captures["foo"][0])
assert_equal("world", match.captures["bar"][0])
end
def test_nested_captures
@grok.add_pattern("foo", "\\w+ %{bar}")
@grok.add_pattern("bar", "\\w+")
@grok.compile("%{foo}")
match = @grok.match("hello world")
assert_not_equal(false, match)
assert_equal(2, match.captures.length)
assert_equal(1, match.captures["foo"].length)
assert_equal(1, match.captures["bar"].length)
assert_equal("hello world", match.captures["foo"][0])
assert_equal("world", match.captures["bar"][0])
end
def test_nesting_recursion
@grok.add_pattern("foo", "%{foo}")
assert_raises(ArgumentError) do
@grok.compile("%{foo}")
end
end
def test_valid_capture_subnames
name = "foo"
@grok.add_pattern(name, "\\w+")
subname = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_abc:def"
@grok.compile("%{#{name}:#{subname}}")
match = @grok.match("hello")
assert_not_equal(false, match)
assert_equal(1, match.captures.length)
assert_equal(1, match.captures["#{name}:#{subname}"].length)
assert_equal("hello", match.captures["#{name}:#{subname}"][0])
end
def test_grok_inline_definition
input = "key=123"
@grok.compile("key=%{VALUE=\\d+}")
match = @grok.match(input)
assert_not_equal(false, match, "Expected '#{input}' to match '#{@grok.expanded_pattern}'")
assert_equal(1, match.captures.length)
assert_equal(1, match.captures["VALUE"].length)
assert_equal("123", match.captures["VALUE"].first)
end
def test_grok_crazy_nested_inline_definition
email = "something@some.host.name"
input = "HELLO #{email}"
#@grok[:logmask] = 0xffffff
@grok.compile("HELLO %{EMAIL:email=[A-Za-z_+-]+@%{MYDOMAIN=some\\.host\\.name}}")
match = @grok.match(input)
assert_not_equal(false, match, "Expected '#{input}' to match '#{@grok.expanded_pattern}'")
assert_equal(2, match.captures.length)
assert_equal(1, match.captures["EMAIL:email"].length)
assert_equal(email, match.captures["EMAIL:email"].first)
end
def test_grok_nested_inline_definition
email = "something@some.host.name"
input = "HELLO #{email}"
@grok.add_pattern("MYDOMAIN", "some\\.host\\.name")
#@grok[:logmask] = 0xffffff
@grok.compile("HELLO %{EMAIL:email=[A-Za-z_+-]+@%{MYDOMAIN}}")
match = @grok.match(input)
assert_not_equal(false, match, "Expected '#{input}' to match '#{@grok.expanded_pattern}'")
assert_equal(2, match.captures.length)
assert_equal(1, match.captures["EMAIL:email"].length)
assert_equal(email, match.captures["EMAIL:email"].first)
end
# TODO(sissel): This doesn't work yet.
def __test_grok_inline_definition_with_predicate
input = "key=123"
@grok[:logmask] = 0xffffff
@grok.compile("key=%{VALUE=\\d+ == 123}")
match = @grok.match(input)
assert_not_equal(false, match, "Expected '#{input}' to match '#{@grok.expanded_pattern}'")
assert_equal(1, match.captures.length)
assert_equal(1, match.captures["VALUE"].length)
assert_equal("123", match.captures["VALUE"].first)
end
end
|
