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// Copyright 2018 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package errors contains common Hugo errors and error related utilities.
package herrors
import (
"strings"
"testing"
"github.com/stretchr/testify/require"
)
func TestErrorLocator(t *testing.T) {
assert := require.New(t)
lineMatcher := func(le FileError, lineno int, line string) bool {
return strings.Contains(line, "THEONE")
}
lines := `LINE 1
LINE 2
LINE 3
LINE 4
This is THEONE
LINE 6
LINE 7
LINE 8
`
location := locateErrorInString(nil, lines, lineMatcher)
assert.Equal([]string{"LINE 3", "LINE 4", "This is THEONE", "LINE 6", "LINE 7"}, location.Lines)
assert.Equal(3, location.LineNumber)
assert.Equal(2, location.Pos)
assert.Equal([]string{"This is THEONE"}, locateErrorInString(nil, `This is THEONE`, lineMatcher).Lines)
location = locateErrorInString(nil, `L1
This is THEONE
L2
`, lineMatcher)
assert.Equal(1, location.Pos)
assert.Equal([]string{"L1", "This is THEONE", "L2"}, location.Lines)
location = locateErrorInString(nil, `This is THEONE
L2
`, lineMatcher)
assert.Equal(0, location.Pos)
assert.Equal([]string{"This is THEONE", "L2"}, location.Lines)
location = locateErrorInString(nil, `L1
This THEONE
`, lineMatcher)
assert.Equal([]string{"L1", "This THEONE"}, location.Lines)
assert.Equal(1, location.Pos)
location = locateErrorInString(nil, `L1
L2
This THEONE
`, lineMatcher)
assert.Equal([]string{"L1", "L2", "This THEONE"}, location.Lines)
assert.Equal(2, location.Pos)
location = locateErrorInString(nil, "NO MATCH", lineMatcher)
assert.Equal(-1, location.LineNumber)
assert.Equal(-1, location.Pos)
assert.Equal(0, len(location.Lines))
lineMatcher = func(le FileError, lineno int, line string) bool {
return lineno == 6
}
location = locateErrorInString(nil, `A
B
C
D
E
F
G
H
I
J`, lineMatcher)
assert.Equal([]string{"D", "E", "F", "G", "H"}, location.Lines)
assert.Equal(4, location.LineNumber)
assert.Equal(2, location.Pos)
// Test match EOF
lineMatcher = func(le FileError, lineno int, line string) bool {
return lineno == 4
}
location = locateErrorInString(nil, `A
B
C
`, lineMatcher)
assert.Equal([]string{"B", "C", ""}, location.Lines)
assert.Equal(3, location.LineNumber)
assert.Equal(2, location.Pos)
}
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