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from unittest import TestCase
from pyinflux.parser import LineTokenizer, LineParser, parse_lines
from pyinflux.client import Line
from funcparserlib.lexer import Token
from funcparserlib.parser import NoParseError
class TestTokenize(TestCase):
def test_tokenize(self):
self.assertEqual(LineTokenizer.tokenize("cpu,host=serverA,region=us-west field1=1,field2=2"),
[Token('Char', 'c'), Token('Char', 'p'), Token('Char', 'u'), Token('Comma', ','),
Token('Char', 'h'), Token('Char', 'o'), Token('Char', 's'), Token('Char', 't'),
Token('Equal', '='), Token('Char', 's'), Token('Char', 'e'), Token('Char', 'r'),
Token('Char', 'v'), Token('Char', 'e'), Token('Char', 'r'), Token('Char', 'A'),
Token('Comma', ','), Token('Char', 'r'), Token('Char', 'e'), Token('Char', 'g'),
Token('Char', 'i'), Token('Char', 'o'), Token('Char', 'n'), Token('Equal', '='),
Token('Char', 'u'), Token('Char', 's'), Token('Char', '-'), Token('Char', 'w'),
Token('Char', 'e'), Token('Char', 's'), Token('Char', 't'), Token('Space', ' '),
Token('Char', 'f'), Token('Char', 'i'), Token('Char', 'e'), Token('Char', 'l'),
Token('Char', 'd'), Token('Int', '1'), Token('Equal', '='), Token('Int', '1'),
Token('Comma', ','), Token('Char', 'f'), Token('Char', 'i'), Token('Char', 'e'),
Token('Char', 'l'), Token('Char', 'd'), Token('Int', '2'), Token('Equal', '='),
Token('Int', '2')])
class TestParseIdentifier(TestCase):
def test_identifier(self):
self.assertEqual(LineParser.parse_identifier('cpu a=1'), "cpu")
self.assertEqual(LineParser.parse_identifier('yahoo.CHFGBP\\=X.ask,tag=foobar value=10.2'),
"yahoo.CHFGBP=X.ask")
self.assertEqual(LineParser.parse_identifier('cpu,host=serverA,region=us-west foo="bar"'), "cpu")
self.assertEqual(LineParser.parse_identifier(
r'"measurement\ with\ quotes",tag\ key\ with\ spaces=tag\,value\,with"commas" field_key\\\="string field value, only \\" need be quoted"'),
"\"measurement with quotes\"")
try:
LineParser.parse_identifier('')
self.fail()
except NoParseError:
pass
try:
print(LineParser.parse_identifier(','))
self.fail()
except NoParseError:
pass
class TestParseLine(TestCase):
def do_test(self, string: str, verify_line: Line):
line = LineParser.parse(string)
self.assertEqual(line.key, verify_line.key)
self.assertEqualLine(line, verify_line)
self.assertEqual(str(line), string)
def assertEqualLine(self, line1, line2):
self.assertEqual(dict(line1.tags), dict(line2.tags))
self.assertEqual(dict(line1.fields), dict(line2.fields))
self.assertEqual(line1.timestamp, line2.timestamp)
def test_parse_lines(self):
self.assertEqual("".join(map(str, parse_lines("foo b=1"))), 'foo b=1')
text = """\
cpu field=123
cpu,host=serverA,region=us-west field1=1,field2=2
cpu,host=serverA,region=us-west field1=1,field2=2 1234"""
writes = parse_lines(text)
self.assertEqual("\n".join(map(str, writes)), text)
def test_parse(self):
self.do_test("cpu a=1", Line("cpu", {}, {'a': 1}, None))
self.do_test('yahoo.CHFGBP\\=X.ask,tag=foobar value=10.2',
Line('yahoo.CHFGBP=X.ask', {'tag': 'foobar'}, {'value': 10.2}))
self.assertEqual(repr(LineParser.parse('cpu,host=serverA,region=us-west foo="bar"')),
'''<Line key=cpu tags=[('host', 'serverA'), ('region', 'us-west')] fields=[('foo', 'bar')] timestamp=None>''')
self.assertEqual(str(LineParser.parse('cpu host="serverA",region="us-west"')),
'cpu host="serverA",region="us-west"')
self.do_test('cpu\\,01 host="serverA",region="us-west"',
Line('cpu,01', {}, {'host': 'serverA', 'region': 'us-west'}, None))
self.do_test('cpu host="server A",region="us west"',
Line('cpu', {}, dict([('host', 'server A'), ('region', 'us west')]), None))
self.do_test('cpu ho\\=st="server A",region="us west"',
Line('cpu', {}, dict([('ho=st', 'server A'), ('region', 'us west')]), None))
self.assertEqual(str(LineParser.parse('cpu,ho\=st=server\ A field=123')),
'cpu,ho\=st=server\ A field=123')
# error: double name is accepted
self.assertEqual(str(LineParser.parse('cpu,foo=bar,foo=bar field=123,field=123')),
'cpu,foo=bar,foo=bar field=123,field=123')
self.assertEqual(str(LineParser.parse('cpu field12=12')), 'cpu field12=12')
self.assertEqual(str(LineParser.parse('cpu field12=12 123123123')), 'cpu field12=12 123123123')
try:
LineParser.parse('cpu field12=12 1231abcdef123')
self.fail()
except NoParseError:
pass
self.assertEqual(str(LineParser.parse('cpu,x=3,y=4,z=6 field\\ name="HH \\\"World",x="asdf foo"')),
'cpu,x=3,y=4,z=6 field\\ name="HH \\"World",x="asdf foo"')
self.assertEqual(str(LineParser.parse('cpu,x=3 field\\ name="HH \\"World",x="asdf foo"')),
'cpu,x=3 field\\ name="HH \\"World",x="asdf foo"')
self.do_test('cpu foo="bar" 12345', Line('cpu', {}, {'foo': 'bar'}, 12345))
self.do_test(r'"measurement\ with\ quotes" foo=1',
Line('"measurement with quotes"', {}, {'foo': 1}, None))
self.do_test(r'a$b,cp="asdf" value="fo \\ o\""',
Line("a$b", {'cp': '"asdf"'}, {'value': r'fo \ o"'}))
self.assertEqualLine(LineParser.parse(r'a$b,cp="asdf" value="fo \ o\""'),
Line("a$b", {'cp': '"asdf"'}, {'value': r'fo \ o"'}))
self.assertEqual(str(Line("a$b", {'cp': '"asdf"'}, {'value': r'fo \ o"'})),
r'a$b,cp="asdf" value="fo \\ o\""')
self.assertEqualLine(LineParser.parse(r'test value="7\\\""'),
Line('test', {}, {'value': r'7\"'}, None))
self.do_test('K.5S,Ccpvo=a\\ b value=1', Line('K.5S', {'Ccpvo': 'a b'}, {'value': 1}))
self.assertEqualLine(LineParser.parse('foo field1=f,field2=false,field3=False,field4=FALSE,field5="fag"'),
Line('foo', {},
{'field4': False, 'field3': False, 'field2': False, 'field1': False, 'field5': 'fag'},
None))
self.assertEqualLine(LineParser.parse('foo field0="tag",field1=t,field2=true,field3=True,field4=TRUE'),
Line('foo', {},
{'field4': True, 'field0': 'tag', 'field3': True, 'field2': True, 'field1': True},
None))
self.assertEqual(str(LineParser.parse('foo field0="tag",field1=t,field2=true,field3=True,field4=TRUE')),
'foo field0="tag",field1=True,field2=True,field3=True,field4=True')
self.assertEqual(str(LineParser.parse('foo,foo=2 field_key="string\\" field"')),
'foo,foo=2 field_key="string\\" field"')
self.assertEqual(str(LineParser.parse('foo,foo=2 field_key\\\\="string field"')),
'foo,foo=2 field_key\\\\="string field"')
self.assertEqual(str(LineParser.parse('foo,foo=2 "field key with space"="string field"')),
'foo,foo=2 field\ key\ with\ space="string field"')
self.assertEqualLine(LineParser.parse(
r'disk_free value=442221834240,working\ directories="C:\My Documents\Stuff for examples,C:\My Documents" 123'),
Line('disk_free', {}, {'value': 442221834240,
'working directories': r'C:\My Documents\Stuff for examples,C:\My Documents'}, 123))
self.assertEqualLine(LineParser.parse(
r'disk_free value=442221834240,working\ directories="C:\My Documents\Stuff for examples,C:\My Documents"'),
Line('disk_free', {}, {'value': 442221834240,
'working directories': r'C:\My Documents\Stuff for examples,C:\My Documents'},
None))
self.assertEqualLine(LineParser.parse(
r'"measurement\ with\ quotes",tag\ key\ with\ spaces=tag\,value\,with"commas" field_key\\="string field value, only \" need be quoted"'),
Line("measurement with quotes",
{'tag key with spaces': 'tag,value,with"commas"'},
{'field_key\\': 'string field value, only " need be quoted'}, None))
self.assertEqual(str(Line("measurement with quotes", {'tag key with spaces': 'tag,value,with"commas"'},
{'field_key\\': 'string field value, only " need be quoted'}, None)),
r'measurement\ with\ quotes,tag\ key\ with\ spaces=tag\,value\,with"commas" field_key\\="string field value, only \" need be quoted"')
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