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ex_abnf_test.exs
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ex_abnf_test.exs
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################################################################################
# Copyright 2015 Marcelo Gornstein <[email protected]>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
################################################################################
defmodule ABNF_Test do
alias ABNF.CaptureResult, as: Res
use ExUnit.Case, async: true
require Logger
@on_load :init
test "raises for incorrect line endings" do
assert_raise ArgumentError, "Lines should end with CRLF [13,10], found [122,10]", fn ->
ABNF.load_file("test/resources/bad_line_endings.abnf")
end
end
test "can do case (in)sensitive matches - RFC7405" do
grammar = load "RFC7405"
nil = ABNF.apply grammar, "case-sensitive", 'abc', nil
%Res{
input: 'aBc',
rest: '',
string_text: 'aBc',
string_tokens: ['aBc'],
state: nil,
values: _
} = ABNF.apply grammar, "case-sensitive", 'aBc', nil
%Res{
input: 'aBc',
rest: '',
string_text: 'aBc',
string_tokens: ['aBc'],
state: nil,
values: _
} = ABNF.apply grammar, "case-insensitive-1", 'aBc', nil
%Res{
input: 'aBc',
rest: '',
string_text: 'aBc',
string_tokens: ['aBc'],
state: nil,
values: _
} = ABNF.apply grammar, "case-insensitive-2", 'aBc', nil
end
test "can write module code" do
grammar = load "module_code"
%Res{
input: '1.2.3.4rest',
rest: 'rest',
string_text: '1.2.3.4',
string_tokens: ['1', '.', '2', '.', '3', '.', '4'],
state: %{ipv4address: '1.2.3.4'},
values: ["Your ip address is: 1.2.3.4"]
} = ABNF.apply grammar, "ipv4address", '1.2.3.4rest', %{}
end
test "ipv4" do
grammar = load "ipv4"
%Res{
input: '1.2.3.4rest',
rest: 'rest',
string_text: '1.2.3.4',
string_tokens: ['1', '.', '2', '.', '3', '.', '4'],
state: %{ipv4address: '1.2.3.4'},
values: ["Your ip address is: 1.2.3.4"]
} = ABNF.apply grammar, "ipv4address", '1.2.3.4rest', %{}
%Res{
input: '192.168.0.1rest',
rest: 'rest',
string_text: '192.168.0.1',
string_tokens: ['192', '.', '168', '.', '0', '.', '1'],
state: %{ipv4address: '192.168.0.1'},
values: ["Your ip address is: 192.168.0.1"]
} = ABNF.apply grammar, "ipv4address", '192.168.0.1rest', %{}
%Res{
input: '255.255.255.255rest',
rest: 'rest',
string_text: '255.255.255.255',
string_tokens: ['255', '.', '255', '.', '255', '.', '255'],
state: %{ipv4address: '255.255.255.255'},
values: ["Your ip address is: 255.255.255.255"]
} = ABNF.apply grammar, "ipv4address", '255.255.255.255rest', %{}
nil = ABNF.apply grammar, "ipv4address", '255.255.256.255rest', %{}
end
test "medium complexity" do
grammar = load "path"
%Res{
input: 'segment',
rest: '',
string_text: 'segment',
string_tokens: ['s', 'egment'],
state: ['segment'],
values: _
} = ABNF.apply grammar, "segment", 'segment', []
%Res{
input: '/a',
rest: '',
string_text: '/a',
string_tokens: ['/a'],
state: ['a'],
values: _
} = ABNF.apply grammar, "path", '/a', []
%Res{
input: '/aa/bb',
rest: '',
string_text: '/aa/bb',
string_tokens: ['/aa/bb'],
state: ['aa', 'bb'],
values: _
} = ABNF.apply grammar, "path", '/aa/bb', []
end
test "basic repetition and optional" do
grammar = load "basic"
%Res{
input: 'helloworld rest',
rest: ' rest',
string_text: 'helloworld',
string_tokens: ['helloworld'],
state: nil,
values: _
} = ABNF.apply grammar, "string1", 'helloworld rest', nil
%Res{
input: 'helloworld rest',
rest: 'loworld rest',
string_text: 'hel',
string_tokens: ['hel'],
state: nil,
values: _
} = ABNF.apply grammar, "string2", 'helloworld rest', nil
%Res{
input: 'helloworld rest',
rest: 'lloworld rest',
string_text: 'he',
string_tokens: ['he'],
state: nil,
values: _
} = ABNF.apply grammar, "string3", 'helloworld rest', nil
%Res{
input: 'helloworld rest',
rest: ' rest',
string_text: 'helloworld',
string_tokens: ['helloworld'],
state: nil,
values: _
} = ABNF.apply grammar, "string4", 'helloworld rest', nil
%Res{
input: '3helloworld rest',
rest: ' rest',
string_text: '3helloworld',
string_tokens: ['3', 'helloworld'],
state: nil,
values: _
} = ABNF.apply grammar, "string5", '3helloworld rest', nil
%Res{
input: 'helloworld rest',
rest: ' rest',
string_text: 'helloworld',
string_tokens: ['', 'helloworld'],
state: nil,
values: _
} = ABNF.apply grammar, "string5", 'helloworld rest', nil
end
test "ipv6" do
grammar = load "ipv6"
addresses = [
'::',
'1:2:3:4:5:6:7:8',
'1:2:3:4:5:6:192.168.0.1',
'FE80:0000:0000:0000:0202:B3FF:FE1E:8329',
'::1',
'1::1:2:3:4:5:6',
'1:2::3:4:5:6:7',
'::1:2:3:4:5',
'fe80::200:f8ff:fe21:67cf',
'2001:db8::1',
'2001:db8:a0b:12f0::1',
'fdf8:f53b:82e4::53',
'2001:db8:85a3::8a2e:370:7334',
'::ffff:c000:0280',
'2001:db8::2:1',
'2001:db8::1:0:0:1',
'FE80:0:0:0:903A::11E4',
'FE80::903A:0:0:11E4',
'2001:db8:122:344::192.0.2.33',
'2001:db8:122:344:c0:2:2100::',
'2001:db8:122:3c0:0:221::',
'2001:db8:122:c000:2:2100::',
'2001:db8:1c0:2:21::',
'2001:db8:c000:221::',
'::1',
'::',
'0:0:0:0:0:0:0:1',
'0:0:0:0:0:0:0:0',
'2001:DB8:0:0:8:800:200C:417A',
'FF01:0:0:0:0:0:0:101',
'2001:DB8::8:800:200C:417A',
'FF01::101',
'fe80::217:f2ff:fe07:ed62',
'2001:0000:1234:0000:0000:C1C0:ABCD:0876',
'3ffe:0b00:0000:0000:0001:0000:0000:000a',
'FF02:0000:0000:0000:0000:0000:0000:0001',
'0000:0000:0000:0000:0000:0000:0000:0001',
'0000:0000:0000:0000:0000:0000:0000:0000',
'2::10',
'ff02::1',
'fe80::',
'2002::',
'2001:db8::',
'2001:0db8:1234::',
'::ffff:0:0',
'::1',
'1:2:3:4:5:6:7:8',
'1:2:3:4:5:6::8',
'1:2:3:4:5::8',
'1:2:3:4::8',
'1:2:3::8',
'1:2::8',
'1::8',
'1::2:3:4:5:6:7',
'1::2:3:4:5:6',
'1::2:3:4:5',
'1::2:3:4',
'1::2:3',
'1::8',
'::2:3:4:5:6:7:8',
'::2:3:4:5:6:7',
'::2:3:4:5:6',
'::2:3:4:5',
'::2:3:4',
'::2:3',
'::8',
'1:2:3:4:5:6::',
'1:2:3:4:5::',
'1:2:3:4::',
'1:2:3::',
'1:2::',
'1::',
'1:2:3:4:5::7:8',
'1:2:3:4::7:8',
'1:2:3::7:8',
'1:2::7:8',
'1::7:8',
'1:2:3:4:5:6:1.2.3.4',
'1:2:3:4:5::1.2.3.4',
'1:2:3:4::1.2.3.4',
'1:2:3::1.2.3.4',
'1:2::1.2.3.4',
'1::1.2.3.4',
'1:2:3:4::5:1.2.3.4',
'1:2:3::5:1.2.3.4',
'1:2::5:1.2.3.4',
'1::5:1.2.3.4',
'1::5:11.22.33.44',
'fe80::217:f2ff:254.7.237.98',
'::ffff:192.168.1.26',
'::ffff:192.168.1.1',
'0:0:0:0:0:0:13.1.68.3',
'0:0:0:0:0:FFFF:129.144.52.38',
'::13.1.68.3',
'::FFFF:129.144.52.38',
'fe80:0:0:0:204:61ff:254.157.241.86',
'fe80::204:61ff:254.157.241.86',
'::ffff:12.34.56.78',
'::ffff:192.0.2.128',
'fe80:0000:0000:0000:0204:61ff:fe9d:f156',
'fe80:0:0:0:204:61ff:fe9d:f156',
'fe80::204:61ff:fe9d:f156',
'::1',
'fe80::',
'fe80::1',
'::ffff:c000:280',
'2001:0db8:85a3:0000:0000:8a2e:0370:7334',
'2001:db8:85a3:0:0:8a2e:370:7334',
'2001:db8:85a3::8a2e:370:7334',
'2001:0db8:0000:0000:0000:0000:1428:57ab',
'2001:0db8:0000:0000:0000::1428:57ab',
'2001:0db8:0:0:0:0:1428:57ab',
'2001:0db8:0:0::1428:57ab',
'2001:0db8::1428:57ab',
'2001:db8::1428:57ab',
'0000:0000:0000:0000:0000:0000:0000:0001',
'::1',
'::ffff:0c22:384e',
'2001:0db8:1234:0000:0000:0000:0000:0000',
'2001:0db8:1234:ffff:ffff:ffff:ffff:ffff',
'2001:db8:a::123',
'fe80::',
'1111:2222:3333:4444:5555:6666:7777:8888',
'1111:2222:3333:4444:5555:6666:7777::',
'1111:2222:3333:4444:5555:6666::',
'1111:2222:3333:4444:5555::',
'1111:2222:3333:4444::',
'1111:2222:3333::',
'1111:2222::',
'1111::',
'1111:2222:3333:4444:5555:6666::8888',
'1111:2222:3333:4444:5555::8888',
'1111:2222:3333:4444::8888',
'1111:2222:3333::8888',
'1111:2222::8888',
'1111::8888',
'::8888',
'1111:2222:3333:4444:5555::7777:8888',
'1111:2222:3333:4444::7777:8888',
'1111:2222:3333::7777:8888',
'1111:2222::7777:8888',
'1111::7777:8888',
'::7777:8888',
'1111:2222:3333:4444::6666:7777:8888',
'1111:2222:3333::6666:7777:8888',
'1111:2222::6666:7777:8888',
'1111::6666:7777:8888',
'::6666:7777:8888',
'1111:2222:3333::5555:6666:7777:8888',
'1111:2222::5555:6666:7777:8888',
'1111::5555:6666:7777:8888',
'::5555:6666:7777:8888',
'1111:2222::4444:5555:6666:7777:8888',
'1111::4444:5555:6666:7777:8888',
'::4444:5555:6666:7777:8888',
'1111::3333:4444:5555:6666:7777:8888',
'::3333:4444:5555:6666:7777:8888',
'::2222:3333:4444:5555:6666:7777:8888',
'1111:2222:3333:4444:5555:6666:123.123.123.123',
'1111:2222:3333:4444:5555::123.123.123.123',
'1111:2222:3333:4444::123.123.123.123',
'1111:2222:3333::123.123.123.123',
'1111:2222::123.123.123.123',
'1111::123.123.123.123',
'::123.123.123.123',
'1111:2222:3333:4444::6666:123.123.123.123',
'1111:2222:3333::6666:123.123.123.123',
'1111:2222::6666:123.123.123.123',
'1111::6666:123.123.123.123',
'::6666:123.123.123.123',
'1111:2222:3333::5555:6666:123.123.123.123',
'1111:2222::5555:6666:123.123.123.123',
'1111::5555:6666:123.123.123.123',
'::5555:6666:123.123.123.123',
'1111:2222::4444:5555:6666:123.123.123.123',
'1111::4444:5555:6666:123.123.123.123',
'::4444:5555:6666:123.123.123.123',
'1111::3333:4444:5555:6666:123.123.123.123',
'::2222:3333:4444:5555:6666:123.123.123.123',
'::0:0:0:0:0:0:0',
'::0:0:0:0:0:0',
'::0:0:0:0:0',
'::0:0:0:0',
'::0:0:0',
'::0:0',
'::0',
'0:0:0:0:0:0:0::',
'0:0:0:0:0:0::',
'0:0:0:0:0::',
'0:0:0:0::',
'0:0:0::',
'0:0::',
'0::',
'0:a:b:c:d:e:f::',
'::0:a:b:c:d:e:f',
'a:b:c:d:e:f:0::'
]
Enum.each addresses, fn(a) ->
Logger.debug "Testing IPv6: #{inspect a}"
string = a ++ 'rest'
%Res{
input: ^string,
rest: 'rest',
string_text: ^a,
state: %{}
} = ABNF.apply grammar, "ipv6address", string, %{}
end
end
test "uri" do
grammar = load "RFC3986"
url = 'http://user:[email protected]:421/some/path?k1=v1&k2=v2#one_fragment'
%Res{
input: ^url,
rest: '',
state: %{
fragment: 'one_fragment',
host: 'host.com',
host_type: :reg_name,
port: '421',
query: 'k1=v1&k2=v2',
scheme: 'http',
userinfo: 'user:pass',
segments: ['some', 'path'],
type: :abempty
},
string_text: ^url,
string_tokens: [
'http',
':',
'//user:[email protected]:421/some/path',
'?k1=v1&k2=v2',
'#one_fragment'
],
values: _
} = ABNF.apply grammar, "uri", url, %{segments: []}
url = 'http:/path'
%Res{
input: ^url,
rest: '',
state: %{
scheme: 'http',
segments: ['path'],
type: :absolute
},
string_text: ^url,
string_tokens: ['http', ':', '/path', '', ''],
values: _
} = ABNF.apply grammar, "uri", url, %{segments: []}
url = 'http://a.com'
%Res{
input: ^url,
rest: '',
state: %{
scheme: 'http',
host: 'a.com',
host_type: :reg_name,
type: :abempty
},
string_text: ^url,
string_tokens: ['http', ':', '//a.com', '', ''],
values: _
} = ABNF.apply grammar, "uri", url, %{segments: []}
url = 'http://a.com:789'
%Res{
input: ^url,
rest: '',
state: %{
scheme: 'http',
host: 'a.com',
port: '789',
host_type: :reg_name,
type: :abempty
},
string_text: ^url,
string_tokens: ['http', ':', '//a.com:789', '', ''],
values: _
} = ABNF.apply grammar, "uri", url, %{segments: []}
url = 'http://192.168.0.1/path'
%Res{
input: ^url,
rest: '',
state: %{
scheme: 'http',
segments: ['path'],
host: '192.168.0.1',
host_type: :ipv4,
type: :abempty
},
string_text: ^url,
string_tokens: ['http', ':', '//192.168.0.1/path', '', ''],
values: _
} = ABNF.apply grammar, "uri", url, %{segments: []}
url = 'http:'
%Res{
input: ^url,
rest: '',
state: %{
scheme: 'http',
type: :empty
},
string_text: ^url,
string_tokens: ['http', ':', '', '', ''],
values: _
} = ABNF.apply grammar, "uri", url, %{segments: []}
url = 'http:path1/path2'
%Res{
input: ^url,
rest: '',
state: %{
scheme: 'http',
segments: ['path1', 'path2'],
type: :rootless
},
string_text: ^url,
string_tokens: ['http', ':', 'path1/path2', '', ''],
values: _
} = ABNF.apply grammar, "uri", url, %{segments: []}
url = 'http://[v1.fe80::a+en1]/path'
%Res{
input: ^url,
rest: '',
state: %{
scheme: 'http',
segments: ['path'],
host: '[v1.fe80::a+en1]',
host_type: :ipvfuture,
type: :abempty
},
string_text: ^url,
string_tokens: ['http', ':', '//[v1.fe80::a+en1]/path', '', ''],
values: _
} = ABNF.apply grammar, "uri", url, %{segments: []}
end
test "can reduce rule" do
grammar = load "reduce"
%Res{
input: '123asd',
rest: '',
state: %{field: true},
string_text: '123asd',
string_tokens: ['123', 'asd'],
values: [%{int: 123, string: "asd"}]
} = ABNF.apply grammar, "composed", '123asd', %{field: false}
end
test "teluri" do
grammar = load "RFC3966"
tel = 'tel:+1-201-555-0123'
%Res{
input: 'tel:+1-201-555-0123',
rest: '',
state: %{},
string_text: 'tel:+1-201-555-0123',
string_tokens: ['tel:', '+1-201-555-0123'],
values: _
} = ABNF.apply grammar, "telephone-uri", tel, %{}
tel = 'tel:863-1234;phone-context=+1-914-555'
%Res{
input: 'tel:863-1234;phone-context=+1-914-555',
rest: '',
state: %{},
string_text: 'tel:863-1234;phone-context=+1-914-555',
string_tokens: ['tel:', '863-1234;phone-context=+1-914-555'],
values: _
} = ABNF.apply grammar, "telephone-uri", tel, %{}
end
test "sdp" do
grammar = load "RFC4566"
data = to_char_list(File.read! "test/resources/sdp1.txt")
%Res{
input: ^data,
rest: '',
state: %{
version: '0',
session_name: 'description',
origin: %{
username: 'alice',
session_id: '2890844526',
session_version: '2890844526',
net_type: 'IN',
address_type: 'IP4',
unicast_address: 'host.atlanta.example.com'
}
},
string_text: ^data,
string_tokens: [
'v=0\r\n',
'o=alice 2890844526 2890844526 IN IP4 host.atlanta.example.com\r\n',
's=description\r\n',
'',
'',
'',
'',
'c=IN IP4 host.atlanta.example.com\r\n',
'',
't=0 0\r\n',
'',
'',
'm=audio 49170 RTP/AVP 0 8 97\r\na=rtpmap:0 PCMU/8000\r\na=rtpmap:8 PCMA/8000\r\na=rtpmap:97 iLBC/8000\r\nm=video 51372 RTP/AVP 31 32\r\na=rtpmap:31 H261/90000\r\na=rtpmap:32 MPV/90000\r\n'
],
values: _
} = ABNF.apply grammar, "session-description", data, %{}
end
test "sip" do
grammar = load "RFC3261"
data = to_char_list(File.read! "test/resources/sip1.txt")
%Res{
input: ^data,
rest: '',
state: %{
headers: %{
"from" => %{
addr: %{
hostport: %{host: "biloxi.com", port: 5060},
scheme: "sip",
userinfo: "bob"
},
display_name: "Bob "
}
},
method: :register,
request: true,
uri: %{
hostport: %{
host: "registrar.biloxi.com",
port: 1234
},
userinfo: "",
scheme: "sip"
}
},
string_text: ^data,
string_tokens: [^data]
} = ABNF.apply grammar, "SIP-message", data, %{
headers: %{}
}
end
test "email" do
grammar = load "RFC5322-no-obs"
email = '[email protected]'
%Res{
input: ^email,
rest: '',
state: %{
domain: 'domain.com',
local_part: 'user'
},
string_text: ^email,
string_tokens: ['[email protected]'],
values: _
} = ABNF.apply grammar, "mailbox", email, %{}
email = '<[email protected]>'
%Res{
input: ^email,
rest: '',
state: %{
domain: 'domain.com',
local_part: 'user'
},
string_text: ^email,
string_tokens: ['<[email protected]>'],
values: _
} = ABNF.apply grammar, "mailbox", email, %{}
email = 'Peter Cantropus <[email protected]>'
%Res{
input: ^email,
rest: '',
state: %{
domain: 'domain.com',
local_part: 'user',
display_name: 'Peter Cantropus '
},
string_text: ^email,
string_tokens: ['Peter Cantropus <[email protected]>'],
values: _
} = ABNF.apply grammar, "mailbox", email, %{}
input = '21 Nov 1997 10:01:22 -0600'
%Res{
input: ^input,
rest: '',
state: %{
month: 'Nov',
year: '1997',
day: '21',
tz: '-0600',
hour: '10',
minute: '01',
second: '22'
},
string_text: ^input,
string_tokens: [[], '21 Nov 1997 ', '10:01:22 -0600', []],
values: _
} = ABNF.apply grammar, "date-time", input, %{}
input = 'Received: from node.example by x.y.test; 21 Nov 1997 10:01:22 -0600\r\n'
%Res{
input: ^input,
rest: '',
state: %{
day: '21',
domain: 'x.y.test',
hour: '10',
minute: '01',
month: 'Nov',
second: '22',
tz: '-0600',
year: '1997'
},
string_text: ^input,
string_tokens: ['Received:', ' from node.example by x.y.test', ';', ' 21 Nov 1997 10:01:22 -0600', '\r\n'],
values: _
} = ABNF.apply grammar, "Received", input, %{}
end
# Load grammars before tests are run
def init() do
me = self()
spawn fn ->
:ets = :ets.new :ets, [:named_table, :public, {:read_concurrency, true}]
for t <- [
"ipv4",
"ipv6",
"path",
"reduce",
"basic",
"RFC7405",
"RFC3261",
"RFC3966",
"RFC3986",
"RFC4566",
"module_code",
"RFC5322-no-obs"
] do
:ets.insert_new(
:ets, {t, ABNF.load_file("test/resources/#{t}.abnf")}
)
:timer.sleep 1
end
send me, :done
receive do
_ -> :ok
end
end
receive do
:done -> :ok
end
:ok
end
defp load(file) do
[{^file, grammar}] = :ets.lookup :ets, file
grammar
end
end