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#require 'rubygems'
require 'grok'
require 'test/unit'
class GrokBasicTests < Test::Unit::TestCase
def setup
@grok = Grok.new
end
def test_grok_methods
assert_respond_to(@grok, :compile)
assert_respond_to(@grok, :match)
assert_respond_to(@grok, :expanded_pattern)
assert_respond_to(@grok, :pattern)
end
def test_grok_compile_fails_on_invalid_expressions
bad_regexps = ["[", "[foo", "?", "foo????", "(?-"]
bad_regexps.each do |regexp|
assert_raise ArgumentError do
@grok.compile(regexp)
end
end
end
def test_grok_compile_succeeds_on_valid_expressions
good_regexps = ["[hello]", "(test)", "(?:hello)", "(?=testing)"]
good_regexps.each do |regexp|
assert_nothing_raised do
@grok.compile(regexp)
end
end
end
def test_grok_pattern_is_same_as_compile_pattern
pattern = "Hello world"
@grok.compile(pattern)
assert_equal(pattern, @grok.pattern)
end
# TODO(sissel): Move this test to a separate test suite aimed
# at testing grok internals
def test_grok_expanded_pattern_works_correctly
@grok.add_pattern("test", "hello world")
@grok.compile("%{test}")
assert_equal("(?<0000>hello world)", @grok.expanded_pattern)
end
def test_grok_load_patterns_from_file
require 'tempfile'
fd = Tempfile.new("grok_test_patterns.XXXXX")
fd.puts "TEST \\d+"
fd.close
@grok.add_patterns_from_file(fd.path)
@grok.compile("%{TEST}")
assert_equal("(?<0000>\\d+)", @grok.expanded_pattern)
end
end
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