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// Copyright 2013 Canonical Ltd.
// Licensed under the LGPLv3, see LICENCE file for details.
package utils_test
import (
"bytes"
"fmt"
"io/ioutil"
"path/filepath"
"strings"
"github.com/juju/testing"
gc "gopkg.in/check.v1"
"github.com/juju/utils/v2"
)
type utilsSuite struct {
testing.IsolationSuite
}
var _ = gc.Suite(&utilsSuite{})
func (*utilsSuite) TestCompression(c *gc.C) {
data := []byte(strings.Repeat("some data to be compressed\n", 100))
compressedData := []byte{
0x1f, 0x8b, 0x08, 0x00, 0x33, 0xb5, 0xf6, 0x50,
0x00, 0x03, 0xed, 0xc9, 0xb1, 0x0d, 0x00, 0x20,
0x08, 0x45, 0xc1, 0xde, 0x29, 0x58, 0x0d, 0xe5,
0x97, 0x04, 0x23, 0xee, 0x1f, 0xa7, 0xb0, 0x7b,
0xd7, 0x5e, 0x57, 0xca, 0xc2, 0xaf, 0xdb, 0x2d,
0x9b, 0xb2, 0x55, 0xb9, 0x8f, 0xba, 0x15, 0xa3,
0x29, 0x8a, 0xa2, 0x28, 0x8a, 0xa2, 0x28, 0xea,
0x67, 0x3d, 0x71, 0x71, 0x6e, 0xbf, 0x8c, 0x0a,
0x00, 0x00,
}
cdata := utils.Gzip(data)
c.Assert(len(cdata) < len(data), gc.Equals, true)
data1, err := utils.Gunzip(cdata)
c.Assert(err, gc.IsNil)
c.Assert(data1, gc.DeepEquals, data)
data1, err = utils.Gunzip(compressedData)
c.Assert(err, gc.IsNil)
c.Assert(data1, gc.DeepEquals, data)
}
func checkQuoting(c *gc.C, shQuote func(string) string, tests map[string]string) {
for str, expected := range tests {
c.Logf("- checking %q -", str)
quoted := shQuote(str)
c.Check(quoted, gc.Equals, expected)
}
}
func (*utilsSuite) TestWinCmdQuote(c *gc.C) {
args := map[string]string{
"": `^"^"`,
"a": `^"a^"`,
"'a'": `^"'a'^"`,
`"a`: `^"\^"a^"`,
`a"`: `^"a\^"^"`,
`"a"`: `^"\^"a\^"^"`,
"abc > xyz 2>&1 &": `^"abc ^> xyz 2^>^&1 ^&^"`,
}
checkQuoting(c, utils.WinCmdQuote, args)
}
func (*utilsSuite) TestWinPSQuote(c *gc.C) {
args := map[string]string{
"": "''",
"a": `'a'`,
`"a"`: `'"a"'`,
"'a": `'"a'`,
"a'": `'a"'`,
"'a'": `'"a"'`,
"abc > xyz 2>&1 &": "'abc > xyz 2>&1 &'",
}
checkQuoting(c, utils.WinPSQuote, args)
}
func (*utilsSuite) TestCommandString(c *gc.C) {
type test struct {
args []string
expected string
}
tests := []test{
{nil, ""},
{[]string{"a"}, "a"},
{[]string{"a$"}, `"a\$"`},
{[]string{""}, ""},
{[]string{"\\"}, `"\\"`},
{[]string{"a", "'b'"}, "a 'b'"},
{[]string{"a b"}, `"a b"`},
{[]string{"a", `"b"`}, `a "\"b\""`},
{[]string{"a", `"b\"`}, `a "\"b\\\""`},
{[]string{"a\n"}, "\"a\n\""},
}
for i, test := range tests {
c.Logf("test %d: %q", i, test.args)
result := utils.CommandString(test.args...)
c.Assert(result, gc.Equals, test.expected)
}
}
func (*utilsSuite) TestReadSHA256AndReadFileSHA256(c *gc.C) {
sha256Tests := []struct {
content string
sha256 string
}{{
content: "",
sha256: "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
}, {
content: "some content",
sha256: "290f493c44f5d63d06b374d0a5abd292fae38b92cab2fae5efefe1b0e9347f56",
}, {
content: "foo",
sha256: "2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae",
}, {
content: "Foo",
sha256: "1cbec737f863e4922cee63cc2ebbfaafcd1cff8b790d8cfd2e6a5d550b648afa",
}, {
content: "multi\nline\ntext\nhere",
sha256: "c384f11c0294280792a44d9d6abb81f9fd991904cb7eb851a88311b04114231e",
}}
tempDir := c.MkDir()
for i, test := range sha256Tests {
c.Logf("test %d: %q -> %q", i, test.content, test.sha256)
buf := bytes.NewBufferString(test.content)
hash, size, err := utils.ReadSHA256(buf)
c.Check(err, gc.IsNil)
c.Check(hash, gc.Equals, test.sha256)
c.Check(int(size), gc.Equals, len(test.content))
tempFileName := filepath.Join(tempDir, fmt.Sprintf("sha256-%d", i))
err = ioutil.WriteFile(tempFileName, []byte(test.content), 0644)
c.Check(err, gc.IsNil)
fileHash, fileSize, err := utils.ReadFileSHA256(tempFileName)
c.Check(err, gc.IsNil)
c.Check(fileHash, gc.Equals, hash)
c.Check(fileSize, gc.Equals, size)
}
}
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