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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package compatibility_test
import (
"github.com/snapcore/snapd/interfaces/compatibility"
. "gopkg.in/check.v1"
)
// TestItemString
func (s *CompatSuite) TestItemString(c *C) {
for i, tc := range []struct {
item compatibility.Item
str string
}{
{compatibility.Item{Typ: compatibility.ItemError, ErrMsg: "tokenizer error"},
`"error: tokenizer error"`},
{compatibility.Item{Typ: compatibility.ItemError, ErrMsg: "very long tokenizer error"},
`"error: very long tokenizer ..."`},
{compatibility.Item{Typ: compatibility.ItemLabel,
Label: compatibility.CompatField{[]compatibility.CompatDimension{
{"foo", []compatibility.CompatRange{{0, 0}}}}}},
`"label: foo-0"`},
{compatibility.Item{Typ: compatibility.ItemLabel,
Label: compatibility.CompatField{[]compatibility.CompatDimension{
{"foo01234567890123456789", []compatibility.CompatRange{{0, 0}}}}}},
`"label: foo01234567890123456..."`},
{compatibility.Item{Typ: compatibility.ItemOR}, `"OR"`},
} {
c.Logf("tc %d: %+v", i, tc)
c.Check(tc.item.String(), Equals, tc.str)
}
}
func (s *CompatSuite) TestLexValidExpressions(c *C) {
for i, tc := range []struct {
expression string
tokens []compatibility.Item
}{
{"", nil},
{" ", nil},
{" foo", []compatibility.Item{
{compatibility.ItemLabel, "",
compatibility.CompatField{[]compatibility.CompatDimension{
{"foo", []compatibility.CompatRange{{0, 0}}}}}},
}},
{"foo\n\t", []compatibility.Item{
{compatibility.ItemLabel, "",
compatibility.CompatField{[]compatibility.CompatDimension{
{"foo", []compatibility.CompatRange{{0, 0}}}}}},
}},
{"(foo)", []compatibility.Item{
{compatibility.ItemLeftParen, "", compatibility.CompatField{}},
{compatibility.ItemLabel, "",
compatibility.CompatField{[]compatibility.CompatDimension{
{"foo", []compatibility.CompatRange{{0, 0}}}}}},
{compatibility.ItemRightParen, "", compatibility.CompatField{}},
}},
{"bar AND(foo OR baz)", []compatibility.Item{
{compatibility.ItemLabel, "",
compatibility.CompatField{[]compatibility.CompatDimension{
{"bar", []compatibility.CompatRange{{0, 0}}}}}},
{compatibility.ItemAND, "", compatibility.CompatField{}},
{compatibility.ItemLeftParen, "", compatibility.CompatField{}},
{compatibility.ItemLabel, "",
compatibility.CompatField{[]compatibility.CompatDimension{
{"foo", []compatibility.CompatRange{{0, 0}}}}}},
{compatibility.ItemOR, "", compatibility.CompatField{}},
{compatibility.ItemLabel, "",
compatibility.CompatField{[]compatibility.CompatDimension{
{"baz", []compatibility.CompatRange{{0, 0}}}}}},
{compatibility.ItemRightParen, "", compatibility.CompatField{}},
}},
{")bar AND ( OR ) xx ", []compatibility.Item{
{compatibility.ItemRightParen, "", compatibility.CompatField{}},
{compatibility.ItemLabel, "",
compatibility.CompatField{[]compatibility.CompatDimension{
{"bar", []compatibility.CompatRange{{0, 0}}}}}},
{compatibility.ItemAND, "", compatibility.CompatField{}},
{compatibility.ItemLeftParen, "", compatibility.CompatField{}},
{compatibility.ItemOR, "", compatibility.CompatField{}},
{compatibility.ItemRightParen, "", compatibility.CompatField{}},
{compatibility.ItemLabel, "",
compatibility.CompatField{[]compatibility.CompatDimension{
{"xx", []compatibility.CompatRange{{0, 0}}}}}},
}},
} {
c.Logf("tc %d: %+v", i, tc)
c.Check(compatibility.Items(tc.expression), DeepEquals, tc.tokens)
}
}
func (s *CompatSuite) TestLexValidExpressionsDashes(c *C) {
for i, tc := range []struct {
expression string
tokens []compatibility.Item
}{
{"foo-bar-1", []compatibility.Item{
{compatibility.ItemLabel, "",
compatibility.CompatField{
[]compatibility.CompatDimension{
{"foo", []compatibility.CompatRange{{0, 0}}},
{"bar", []compatibility.CompatRange{{1, 1}}},
}},
},
}},
{"foo-(1..4)-bar-(8..22)", []compatibility.Item{
{compatibility.ItemLabel, "",
compatibility.CompatField{
[]compatibility.CompatDimension{
{"foo", []compatibility.CompatRange{{1, 4}}},
{"bar", []compatibility.CompatRange{{8, 22}}},
}},
},
}},
{"(foo-2-0)", []compatibility.Item{
{compatibility.ItemLeftParen, "", compatibility.CompatField{}},
{compatibility.ItemLabel, "",
compatibility.CompatField{
[]compatibility.CompatDimension{
{"foo", []compatibility.CompatRange{{2, 2}, {0, 0}}},
}},
},
{compatibility.ItemRightParen, "", compatibility.CompatField{}},
}},
{"( foo )", []compatibility.Item{
{compatibility.ItemLeftParen, "", compatibility.CompatField{}},
{compatibility.ItemLabel, "",
compatibility.CompatField{
[]compatibility.CompatDimension{
{"foo", []compatibility.CompatRange{{0, 0}}},
}},
},
{compatibility.ItemRightParen, "", compatibility.CompatField{}},
}},
{"(foo)", []compatibility.Item{
{compatibility.ItemLeftParen, "", compatibility.CompatField{}},
{compatibility.ItemLabel, "",
compatibility.CompatField{
[]compatibility.CompatDimension{
{"foo", []compatibility.CompatRange{{0, 0}}},
}},
},
{compatibility.ItemRightParen, "", compatibility.CompatField{}},
}},
{"(foo-2-(3..7))", []compatibility.Item{
{compatibility.ItemLeftParen, "", compatibility.CompatField{}},
{compatibility.ItemLabel, "",
compatibility.CompatField{
[]compatibility.CompatDimension{
{"foo", []compatibility.CompatRange{{2, 2}, {3, 7}}},
}},
},
{compatibility.ItemRightParen, "", compatibility.CompatField{}},
}},
{" foo-2-(3..7) AND (b1a2r3 OR boo-(5..9)-7-(1..33))", []compatibility.Item{
{compatibility.ItemLabel, "",
compatibility.CompatField{
[]compatibility.CompatDimension{
{"foo", []compatibility.CompatRange{{2, 2}, {3, 7}}},
}},
},
{compatibility.ItemAND, "", compatibility.CompatField{}},
{compatibility.ItemLeftParen, "", compatibility.CompatField{}},
{compatibility.ItemLabel, "",
compatibility.CompatField{
[]compatibility.CompatDimension{
{"b1a2r3", []compatibility.CompatRange{{0, 0}}},
}},
},
{compatibility.ItemOR, "", compatibility.CompatField{}},
{compatibility.ItemLabel, "",
compatibility.CompatField{
[]compatibility.CompatDimension{
{"boo", []compatibility.CompatRange{{5, 9}, {7, 7}, {1, 33}}},
}},
},
{compatibility.ItemRightParen, "", compatibility.CompatField{}},
}},
} {
c.Logf("tc %d: %+v", i, tc)
c.Check(compatibility.Items(tc.expression), DeepEquals, tc.tokens)
}
}
func (s *CompatSuite) TestLexInvalidExpressions(c *C) {
for i, tc := range []struct {
expression string
err string
}{
{" _foo", "unexpected rune: _"},
{"foo AN", "unexpected rune: A"},
{"fooX", "unexpected rune: X"},
{"foo-1#", "unexpected rune: #"},
{"foo-(1..2)_", "unexpected rune: _"},
{"foo-(13__15)", "no dots in integer range"},
{"foo-(13..15#", "range missing closing parenthesis"},
} {
c.Logf("tc %d: %+v", i, tc)
tokens := compatibility.Items(tc.expression)
c.Check(len(tokens) > 0, Equals, true)
c.Check(tokens[len(tokens)-1], DeepEquals,
compatibility.Item{compatibility.ItemError, tc.err, compatibility.CompatField{}})
}
}
func (s *CompatSuite) TestLexInvalidExpressionsDashes(c *C) {
for i, tc := range []struct {
expression string
err string
}{
{"foo-", "unexpected character after hyphen: EOF"},
{"foo-(", "not an integer: EOF"},
{"foo-(2", "no dots in integer range"},
{"foo-(2..", "not an integer: EOF"},
{"foo-(2..3", "range missing closing parenthesis"},
{"foo-(a..b)", "not an integer: a"},
{"foo-)", "unexpected character after hyphen: )"},
{"foo-(2..x)", "not an integer: x"},
{"foo-01", "integers not allowed to start with 0: 01"},
{"foo-123456789", "integer with more than 8 digits: 123456789"},
} {
c.Logf("tc %d: %+v", i, tc)
tokens := compatibility.Items(tc.expression)
c.Check(len(tokens) > 0, Equals, true)
c.Check(tokens[len(tokens)-1], DeepEquals,
compatibility.Item{compatibility.ItemError, tc.err, compatibility.CompatField{}})
}
}
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