root / test / ganeti.qlang_unittest.py @ 2e5c33db
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#!/usr/bin/python
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#
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# Copyright (C) 2010, 2011 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""Script for testing ganeti.qlang"""
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import unittest |
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import string |
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from ganeti import utils |
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from ganeti import errors |
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from ganeti import qlang |
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from ganeti import query |
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import testutils |
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class TestMakeSimpleFilter(unittest.TestCase): |
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def _Test(self, field, names, expected, parse_exp=None): |
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if parse_exp is None: |
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parse_exp = names |
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qfilter = qlang.MakeSimpleFilter(field, names) |
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self.assertEqual(qfilter, expected)
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def test(self): |
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self._Test("name", None, None, parse_exp=[]) |
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self._Test("name", [], None) |
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self._Test("name", ["node1.example.com"], |
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["|", ["=", "name", "node1.example.com"]]) |
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self._Test("xyz", ["a", "b", "c"], |
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["|", ["=", "xyz", "a"], ["=", "xyz", "b"], ["=", "xyz", "c"]]) |
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class TestParseFilter(unittest.TestCase): |
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def setUp(self): |
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self.parser = qlang.BuildFilterParser()
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def _Test(self, qfilter, expected, expect_filter=True): |
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self.assertEqual(qlang.MakeFilter([qfilter], not expect_filter), expected) |
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self.assertEqual(qlang.ParseFilter(qfilter, parser=self.parser), expected) |
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def test(self): |
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self._Test("name==\"foobar\"", [qlang.OP_EQUAL, "name", "foobar"]) |
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self._Test("name=='foobar'", [qlang.OP_EQUAL, "name", "foobar"]) |
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self._Test("valA==1 and valB==2 or valC==3", |
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[qlang.OP_OR, |
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[qlang.OP_AND, [qlang.OP_EQUAL, "valA", 1], |
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[qlang.OP_EQUAL, "valB", 2]], |
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[qlang.OP_EQUAL, "valC", 3]]) |
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self._Test(("(name\n==\"foobar\") and (xyz==\"va)ue\" and k == 256 or" |
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" x ==\t\"y\"\n) and mc"),
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[qlang.OP_AND, |
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[qlang.OP_EQUAL, "name", "foobar"], |
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[qlang.OP_OR, |
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[qlang.OP_AND, [qlang.OP_EQUAL, "xyz", "va)ue"], |
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[qlang.OP_EQUAL, "k", 256]], |
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[qlang.OP_EQUAL, "x", "y"]], |
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[qlang.OP_TRUE, "mc"]])
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self._Test("(xyz==\"v\" or k == 256 and x == \"y\")", |
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[qlang.OP_OR, |
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[qlang.OP_EQUAL, "xyz", "v"], |
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[qlang.OP_AND, [qlang.OP_EQUAL, "k", 256], |
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[qlang.OP_EQUAL, "x", "y"]]]) |
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self._Test("valA==1 and valB==2 and valC==3", |
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[qlang.OP_AND, [qlang.OP_EQUAL, "valA", 1], |
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[qlang.OP_EQUAL, "valB", 2], |
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[qlang.OP_EQUAL, "valC", 3]]) |
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self._Test("master or field", |
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[qlang.OP_OR, [qlang.OP_TRUE, "master"],
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[qlang.OP_TRUE, "field"]])
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self._Test("mem == 128", [qlang.OP_EQUAL, "mem", 128]) |
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self._Test("negfield != -1", [qlang.OP_NOT_EQUAL, "negfield", -1]) |
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self._Test("master", [qlang.OP_TRUE, "master"], |
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expect_filter=False)
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self._Test("not master", [qlang.OP_NOT, [qlang.OP_TRUE, "master"]]) |
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for op in ["not", "and", "or"]: |
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self._Test("%sxyz" % op, [qlang.OP_TRUE, "%sxyz" % op], |
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expect_filter=False)
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self._Test("not %sxyz" % op, |
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[qlang.OP_NOT, [qlang.OP_TRUE, "%sxyz" % op]])
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self._Test(" not \t%sfoo" % op, |
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[qlang.OP_NOT, [qlang.OP_TRUE, "%sfoo" % op]])
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self._Test("%sname =~ m/abc/" % op, |
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[qlang.OP_REGEXP, "%sname" % op, "abc"]) |
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self._Test("master and not other", |
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[qlang.OP_AND, [qlang.OP_TRUE, "master"],
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[qlang.OP_NOT, [qlang.OP_TRUE, "other"]]])
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self._Test("not (master or other == 4)", |
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[qlang.OP_NOT, |
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[qlang.OP_OR, [qlang.OP_TRUE, "master"],
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[qlang.OP_EQUAL, "other", 4]]]) |
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self._Test("some==\"val\\\"ue\"", [qlang.OP_EQUAL, "some", "val\\\"ue"]) |
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self._Test("123 in ips", [qlang.OP_CONTAINS, "ips", 123]) |
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self._Test("99 not in ips", [qlang.OP_NOT, [qlang.OP_CONTAINS, "ips", 99]]) |
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self._Test("\"a\" in valA and \"b\" not in valB", |
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[qlang.OP_AND, [qlang.OP_CONTAINS, "valA", "a"], |
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[qlang.OP_NOT, [qlang.OP_CONTAINS, "valB", "b"]]]) |
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self._Test("name =~ m/test/", [qlang.OP_REGEXP, "name", "test"]) |
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self._Test("name =~ m/^node.*example.com$/i", |
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[qlang.OP_REGEXP, "name", "(?i)^node.*example.com$"]) |
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self._Test("(name =~ m/^node.*example.com$/s and master) or pip =~ |^3.*|", |
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[qlang.OP_OR, |
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[qlang.OP_AND, |
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[qlang.OP_REGEXP, "name", "(?s)^node.*example.com$"], |
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[qlang.OP_TRUE, "master"]],
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[qlang.OP_REGEXP, "pip", "^3.*"]]) |
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for flags in ["si", "is", "ssss", "iiiisiii"]: |
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self._Test("name =~ m/gi/%s" % flags, |
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[qlang.OP_REGEXP, "name", "(?%s)gi" % "".join(sorted(flags))]) |
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for i in qlang._KNOWN_REGEXP_DELIM: |
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self._Test("name =~ m%stest%s" % (i, i), |
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[qlang.OP_REGEXP, "name", "test"]) |
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self._Test("name !~ m%stest%s" % (i, i), |
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[qlang.OP_NOT, [qlang.OP_REGEXP, "name", "test"]]) |
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self._Test("not\tname =~ m%stest%s" % (i, i), |
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[qlang.OP_NOT, [qlang.OP_REGEXP, "name", "test"]]) |
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self._Test("notname =~ m%stest%s" % (i, i), |
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[qlang.OP_REGEXP, "notname", "test"]) |
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self._Test("name =* '*.site'", |
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[qlang.OP_REGEXP, "name", utils.DnsNameGlobPattern("*.site")]) |
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self._Test("field !* '*.example.*'", |
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[qlang.OP_NOT, [qlang.OP_REGEXP, "field",
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utils.DnsNameGlobPattern("*.example.*")]])
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def testAllFields(self): |
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for name in frozenset(i for d in query.ALL_FIELD_LISTS for i in d.keys()): |
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self._Test("%s == \"value\"" % name, [qlang.OP_EQUAL, name, "value"]) |
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def testError(self): |
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# Invalid field names, meaning no boolean check is done
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tests = ["#invalid!filter#", "m/x/,"] |
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# Unknown regexp flag
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tests.append("name=~m#a#g")
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# Incomplete regexp group
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tests.append("name=~^[^")
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# Valid flag, but in uppercase
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tests.append("asdf =~ m|abc|I")
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# Non-matching regexp delimiters
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tests.append("name =~ /foobarbaz#")
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for qfilter in tests: |
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try:
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qlang.ParseFilter(qfilter, parser=self.parser)
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except errors.QueryFilterParseError, err:
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self.assertEqual(len(err.GetDetails()), 3) |
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else:
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self.fail("Invalid filter '%s' did not raise exception" % qfilter) |
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class TestMakeFilter(unittest.TestCase): |
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def testNoNames(self): |
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self.assertEqual(qlang.MakeFilter([], False), None) |
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self.assertEqual(qlang.MakeFilter(None, False), None) |
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def testPlainNames(self): |
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self.assertEqual(qlang.MakeFilter(["web1", "web2"], False), |
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[qlang.OP_OR, [qlang.OP_EQUAL, "name", "web1"], |
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[qlang.OP_EQUAL, "name", "web2"]]) |
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def testForcedFilter(self): |
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for i in [None, [], ["1", "2"], ["", "", ""], ["a", "b", "c", "d"]]: |
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self.assertRaises(errors.OpPrereqError, qlang.MakeFilter, i, True) |
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# Glob pattern shouldn't parse as filter
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self.assertRaises(errors.QueryFilterParseError,
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qlang.MakeFilter, ["*.site"], True) |
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# Plain name parses as boolean filter
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self.assertEqual(qlang.MakeFilter(["web1"], True), [qlang.OP_TRUE, "web1"]) |
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def testFilter(self): |
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self.assertEqual(qlang.MakeFilter(["foo/bar"], False), |
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[qlang.OP_TRUE, "foo/bar"])
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self.assertEqual(qlang.MakeFilter(["foo=='bar'"], False), |
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[qlang.OP_EQUAL, "foo", "bar"]) |
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self.assertEqual(qlang.MakeFilter(["field=*'*.site'"], False), |
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[qlang.OP_REGEXP, "field",
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utils.DnsNameGlobPattern("*.site")])
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# Plain name parses as name filter, not boolean
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for name in ["node1", "n-o-d-e", "n_o_d_e", "node1.example.com", |
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"node1.example.com."]:
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self.assertEqual(qlang.MakeFilter([name], False), |
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[qlang.OP_OR, [qlang.OP_EQUAL, "name", name]])
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# Invalid filters
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for i in ["foo==bar", "foo+=1"]: |
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self.assertRaises(errors.QueryFilterParseError,
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qlang.MakeFilter, [i], False)
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def testGlob(self): |
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self.assertEqual(qlang.MakeFilter(["*.site"], False), |
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[qlang.OP_OR, [qlang.OP_REGEXP, "name",
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utils.DnsNameGlobPattern("*.site")]])
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self.assertEqual(qlang.MakeFilter(["web?.example"], False), |
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[qlang.OP_OR, [qlang.OP_REGEXP, "name",
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utils.DnsNameGlobPattern("web?.example")]])
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self.assertEqual(qlang.MakeFilter(["*.a", "*.b", "?.c"], False), |
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[qlang.OP_OR, |
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[qlang.OP_REGEXP, "name",
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utils.DnsNameGlobPattern("*.a")],
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[qlang.OP_REGEXP, "name",
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utils.DnsNameGlobPattern("*.b")],
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[qlang.OP_REGEXP, "name",
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utils.DnsNameGlobPattern("?.c")]])
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if __name__ == "__main__": |
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testutils.GanetiTestProgram() |