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require 'grok'
require 'test/unit'
class NumberPatternsTest < Test::Unit::TestCase
def setup
@grok = Grok.new
path = "#{File.dirname(__FILE__)}/../../../patterns/base"
@grok.add_patterns_from_file(path)
end
def test_match_number
@grok.compile("%{NUMBER}")
# step of a prime number near 100 so we get about 2000 iterations
#puts @grok.expanded_pattern.inspect
-100000.step(100000, 97) do |value|
match = @grok.match(value.to_s)
assert_not_equal(false, match, "#{value} should not match false")
assert_equal(value.to_s, match.captures["NUMBER"][0])
end
end
def test_match_number_float
# generate some random floating point values
# always seed with the same random number, so the test is always the same
srand(0)
@grok.compile("%{NUMBER}")
0.upto(1000) do |value|
value = (rand * 100000 - 50000).to_s
match = @grok.match(value)
assert_not_equal(false, match)
assert_equal(value, match.captures["NUMBER"][0])
end
end
def test_match_number_amid_things
@grok.compile("%{NUMBER}")
value = "hello 12345 world"
match = @grok.match(value)
assert_not_equal(false, match)
assert_equal("12345", match.captures["NUMBER"][0])
value = "Something costs $55.4!"
match = @grok.match(value)
assert_not_equal(false, match)
assert_equal("55.4", match.captures["NUMBER"][0])
end
def test_no_match_number
@grok.compile("%{NUMBER}")
["foo", "", " ", ".", "hello world", "-abcd"].each do |value|
match = @grok.match(value.to_s)
assert_equal(false, match)
end
end
def test_match_base16num
@grok.compile("%{BASE16NUM}")
# Ruby represents negative values in a strange way, so only
# test positive numbers for now.
# I don't think anyone uses negative values in hex anyway...
0.upto(1000) do |value|
[("%x" % value), ("0x%08x" % value), ("%016x" % value)].each do |hexstr|
match = @grok.match(hexstr)
assert_not_equal(false, match)
assert_equal(hexstr, match.captures["BASE16NUM"][0])
end
end
end
end
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