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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2015-2018 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 testutil_test
import (
"fmt"
"os"
"path/filepath"
"regexp"
"gopkg.in/check.v1"
. "github.com/snapcore/snapd/testutil"
)
type fileContentCheckerSuite struct{}
var _ = check.Suite(&fileContentCheckerSuite{})
type myStringer struct{ str string }
func (m myStringer) String() string { return m.str }
func (s *fileContentCheckerSuite) TestFileEquals(c *check.C) {
d := c.MkDir()
content := "not-so-random-string"
filename := filepath.Join(d, "canary")
c.Assert(os.WriteFile(filename, []byte(content), 0644), check.IsNil)
equalRefereceFilename := filepath.Join(d, "canary-reference-equal")
c.Assert(os.WriteFile(equalRefereceFilename, []byte(content), 0644), check.IsNil)
notEqualRefereceFilename := filepath.Join(d, "canary-reference-not-equal")
c.Assert(os.WriteFile(notEqualRefereceFilename, []byte("not-equal"), 0644), check.IsNil)
testInfo(c, FileEquals, "FileEquals", []string{"filename", "contents"})
testCheck(c, FileEquals, true, "", filename, content)
testCheck(c, FileEquals, true, "", filename, []byte(content))
testCheck(c, FileEquals, true, "", filename, myStringer{content})
testCheck(c, FileEquals, true, "", filename, FileContentRef(filename))
testCheck(c, FileEquals, true, "", filename, FileContentRef(equalRefereceFilename))
twofer := content + content
testCheck(c, FileEquals, false, "Failed to match with file contents:\nnot-so-random-string", filename, twofer)
testCheck(c, FileEquals, false, "Failed to match with file contents:\n<binary data>", filename, []byte(twofer))
testCheck(c, FileEquals, false, "Failed to match with file contents:\nnot-so-random-string", filename, myStringer{twofer})
testCheck(c, FileEquals, false, `Cannot read file "": open : no such file or directory`, "", "")
testCheck(c, FileEquals, false, "Filename must be a string", 42, "")
testCheck(c, FileEquals, false, "Cannot compare file contents with something of type int", filename, 1)
testCheck(c, FileEquals, false,
fmt.Sprintf("Failed to match contents with reference file \"%s\":\nnot-so-random-string", notEqualRefereceFilename),
filename, FileContentRef(notEqualRefereceFilename))
}
func (s *fileContentCheckerSuite) TestFileContains(c *check.C) {
d := c.MkDir()
content := "not-so-random-string"
filename := filepath.Join(d, "canary")
c.Assert(os.WriteFile(filename, []byte(content), 0644), check.IsNil)
testInfo(c, FileContains, "FileContains", []string{"filename", "contents"})
testCheck(c, FileContains, true, "", filename, content[1:])
testCheck(c, FileContains, true, "", filename, []byte(content[1:]))
testCheck(c, FileContains, true, "", filename, myStringer{content[1:]})
// undocumented
testCheck(c, FileContains, true, "", filename, regexp.MustCompile(".*"))
twofer := content + content
testCheck(c, FileContains, false, "Failed to match with file contents:\nnot-so-random-string", filename, twofer)
testCheck(c, FileContains, false, "Failed to match with file contents:\n<binary data>", filename, []byte(twofer))
testCheck(c, FileContains, false, "Failed to match with file contents:\nnot-so-random-string", filename, myStringer{twofer})
// undocumented
testCheck(c, FileContains, false, "Failed to match with file contents:\nnot-so-random-string", filename, regexp.MustCompile("^$"))
testCheck(c, FileContains, false, `Cannot read file "": open : no such file or directory`, "", "")
testCheck(c, FileContains, false, "Filename must be a string", 42, "")
testCheck(c, FileContains, false, "Cannot compare file contents with something of type int", filename, 1)
testCheck(c, FileContains, false, `Non-exact match with reference file is not supported`,
filename, FileContentRef(filename))
}
func (s *fileContentCheckerSuite) TestFileMatches(c *check.C) {
d := c.MkDir()
content := "not-so-random-string"
filename := filepath.Join(d, "canary")
c.Assert(os.WriteFile(filename, []byte(content), 0644), check.IsNil)
testInfo(c, FileMatches, "FileMatches", []string{"filename", "regex"})
testCheck(c, FileMatches, true, "", filename, ".*")
testCheck(c, FileMatches, true, "", filename, "^"+regexp.QuoteMeta(content)+"$")
testCheck(c, FileMatches, false, "Failed to match with file contents:\nnot-so-random-string", filename, "^$")
testCheck(c, FileMatches, false, "Failed to match with file contents:\nnot-so-random-string", filename, "123"+regexp.QuoteMeta(content))
testCheck(c, FileMatches, false, `Cannot read file "": open : no such file or directory`, "", "")
testCheck(c, FileMatches, false, "Filename must be a string", 42, ".*")
testCheck(c, FileMatches, false, "Regex must be a string", filename, 1)
testCheck(c, FileContains, false, `Non-exact match with reference file is not supported`,
filename, FileContentRef(filename))
}
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