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shfmt/pattern/pattern_test.go at master · sambacha/shfmt · GitHub
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pattern_test.go
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// Copyright (c) 2017, Daniel Martí <mvdan@mvdan.cc>
// See LICENSE for licensing information
package
pattern
import
(
"fmt"
"regexp/syntax"
"testing"
)
var
translateTests
=
[]
struct
{
pat
string
mode
Mode
want
string
wantErr
bool
}{
{
pat
:
``
,
want
:
``
},
{
pat
:
`foo`
,
want
:
`foo`
},
{
pat
:
`foóà中`
,
mode
:
Filenames
|
Braces
,
want
:
`foóà中`
},
{
pat
:
`.`
,
want
:
`\.`
},
{
pat
:
`foo*`
,
want
:
`foo.*`
},
{
pat
:
`foo*`
,
mode
:
Shortest
,
want
:
`foo.*?`
},
{
pat
:
`foo*`
,
mode
:
Shortest
|
Filenames
,
want
:
`foo[^/]*?`
},
{
pat
:
`*foo`
,
mode
:
Filenames
,
want
:
`[^/]*foo`
},
{
pat
:
`**`
,
want
:
`.*.*`
},
{
pat
:
`**`
,
mode
:
Filenames
,
want
:
`.*`
},
{
pat
:
`/**/foo`
,
want
:
`/.*.*/foo`
},
{
pat
:
`/**/foo`
,
mode
:
Filenames
,
want
:
`/(.*/|)foo`
},
{
pat
:
`/**/à`
,
mode
:
Filenames
,
want
:
`/(.*/|)à`
},
{
pat
:
`/**foo`
,
mode
:
Filenames
,
want
:
`/.*foo`
},
{
pat
:
`\*`
,
want
:
`\*`
},
{
pat
:
`\`
,
wantErr
:
true
},
{
pat
:
`?`
,
want
:
`.`
},
{
pat
:
`?`
,
mode
:
Filenames
,
want
:
`[^/]`
},
{
pat
:
`?à`
,
want
:
`.à`
},
{
pat
:
`\a`
,
want
:
`a`
},
{
pat
:
`(`
,
want
:
`\(`
},
{
pat
:
`a|b`
,
want
:
`a\|b`
},
{
pat
:
`x{3}`
,
want
:
`x\{3\}`
},
{
pat
:
`{3,4}`
,
want
:
`\{3,4\}`
},
{
pat
:
`{3,4}`
,
mode
:
Braces
,
want
:
`(?:3|4)`
},
{
pat
:
`{3,`
,
want
:
`\{3,`
},
{
pat
:
`{3,`
,
mode
:
Braces
,
want
:
`\{3,`
},
{
pat
:
`{3,{4}`
,
mode
:
Braces
,
want
:
`\{3,\{4\}`
},
{
pat
:
`{3,{4}}`
,
mode
:
Braces
,
want
:
`(?:3|\{4\})`
},
{
pat
:
`{3,{4,[56]}}`
,
mode
:
Braces
,
want
:
`(?:3|(?:4|[56]))`
},
{
pat
:
`{3..5}`
,
mode
:
Braces
,
want
:
`(?:3|4|5)`
},
{
pat
:
`{9..12}`
,
mode
:
Braces
,
want
:
`(?:9|10|11|12)`
},
{
pat
:
`[a]`
,
want
:
`[a]`
},
{
pat
:
`[abc]`
,
want
:
`[abc]`
},
{
pat
:
`[^bc]`
,
want
:
`[^bc]`
},
{
pat
:
`[!bc]`
,
want
:
`[^bc]`
},
{
pat
:
`[[]`
,
want
:
`[[]`
},
{
pat
:
`[\]]`
,
want
:
`[\]]`
},
{
pat
:
`[\]]`
,
mode
:
Filenames
,
want
:
`[\]]`
},
{
pat
:
`[]]`
,
want
:
`[]]`
},
{
pat
:
`[!]]`
,
want
:
`[^]]`
},
{
pat
:
`[^]]`
,
want
:
`[^]]`
},
{
pat
:
`[a/b]`
,
want
:
`[a/b]`
},
{
pat
:
`[a/b]`
,
mode
:
Filenames
,
want
:
`\[a/b\]`
},
{
pat
:
`[`
,
wantErr
:
true
},
{
pat
:
`[\`
,
wantErr
:
true
},
{
pat
:
`[^`
,
wantErr
:
true
},
{
pat
:
`[!`
,
wantErr
:
true
},
{
pat
:
`[!bc]`
,
want
:
`[^bc]`
},
{
pat
:
`[]`
,
wantErr
:
true
},
{
pat
:
`[^]`
,
wantErr
:
true
},
{
pat
:
`[!]`
,
wantErr
:
true
},
{
pat
:
`[ab`
,
wantErr
:
true
},
{
pat
:
`[a-]`
,
want
:
`[a-]`
},
{
pat
:
`[z-a]`
,
wantErr
:
true
},
{
pat
:
`[a-a]`
,
want
:
`[a-a]`
},
{
pat
:
`[aa]`
,
want
:
`[aa]`
},
{
pat
:
`[0-4A-Z]`
,
want
:
`[0-4A-Z]`
},
{
pat
:
`[-a]`
,
want
:
`[-a]`
},
{
pat
:
`[^-a]`
,
want
:
`[^-a]`
},
{
pat
:
`[a-]`
,
want
:
`[a-]`
},
{
pat
:
`[[:digit:]]`
,
want
:
`[[:digit:]]`
},
{
pat
:
`[[:`
,
wantErr
:
true
},
{
pat
:
`[[:digit`
,
wantErr
:
true
},
{
pat
:
`[[:wrong:]]`
,
wantErr
:
true
},
{
pat
:
`[[=x=]]`
,
wantErr
:
true
},
{
pat
:
`[[.x.]]`
,
wantErr
:
true
},
}
func
TestRegexp
(
t
*
testing.
T
) {
t
.
Parallel
()
for
i
,
tc
:=
range
translateTests
{
t
.
Run
(
fmt
.
Sprintf
(
"%02d"
,
i
),
func
(
t
*
testing.
T
) {
got
,
gotErr
:=
Regexp
(
tc
.
pat
,
tc
.
mode
)
if
tc
.
wantErr
&&
gotErr
==
nil
{
t
.
Fatalf
(
"(%q, %b) did not error"
,
tc
.
pat
,
tc
.
mode
)
}
if
!
tc
.
wantErr
&&
gotErr
!=
nil
{
t
.
Fatalf
(
"(%q, %b) errored with %q"
,
tc
.
pat
,
tc
.
mode
,
gotErr
)
}
if
got
!=
tc
.
want
{
t
.
Fatalf
(
"(%q, %b) got %q, wanted %q"
,
tc
.
pat
,
tc
.
mode
,
got
,
tc
.
want
)
}
_
,
rxErr
:=
syntax
.
Parse
(
got
,
syntax
.
Perl
)
if
gotErr
==
nil
&&
rxErr
!=
nil
{
t
.
Fatalf
(
"regexp/syntax.Parse(%q) failed with %q"
,
got
,
rxErr
)
}
})
}
}
var
metaTests
=
[]
struct
{
pat
string
mode
Mode
wantHas
bool
wantQuote
string
}{
{
``
,
0
,
false
,
``
},
{
`foo`
,
0
,
false
,
`foo`
},
{
`.`
,
0
,
false
,
`.`
},
{
`*`
,
0
,
true
,
`\*`
},
{
`*`
,
Shortest
|
Filenames
,
true
,
`\*`
},
{
`foo?`
,
0
,
true
,
`foo\?`
},
{
`\[`
,
0
,
false
,
`\\\[`
},
{
`{`
,
0
,
false
,
`{`
},
{
`{`
,
Braces
,
true
,
`\{`
},
}
func
TestMeta
(
t
*
testing.
T
) {
t
.
Parallel
()
for
_
,
tc
:=
range
metaTests
{
if
got
:=
HasMeta
(
tc
.
pat
,
tc
.
mode
);
got
!=
tc
.
wantHas
{
t
.
Errorf
(
"HasMeta(%q, %b) got %t, wanted %t"
,
tc
.
pat
,
tc
.
mode
,
got
,
tc
.
wantHas
)
}
if
got
:=
QuoteMeta
(
tc
.
pat
,
tc
.
mode
);
got
!=
tc
.
wantQuote
{
t
.
Errorf
(
"QuoteMeta(%q, %b) got %q, wanted %q"
,
tc
.
pat
,
tc
.
mode
,
got
,
tc
.
wantQuote
)
}
}
}
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