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https://github.com/gohugoio/hugo.git
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cdfd1c99ba
Go stdlib doesn't contain a limited replace in the regexp package, but we can accomplish the same thing with ReplaceAllStringFunc. Fixes #7586
93 lines
2.7 KiB
Go
93 lines
2.7 KiB
Go
// Copyright 2017 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package strings
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import (
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"testing"
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qt "github.com/frankban/quicktest"
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)
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func TestFindRE(t *testing.T) {
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t.Parallel()
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c := qt.New(t)
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for _, test := range []struct {
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expr string
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content interface{}
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limit interface{}
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expect interface{}
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}{
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{"[G|g]o", "Hugo is a static site generator written in Go.", 2, []string{"go", "Go"}},
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{"[G|g]o", "Hugo is a static site generator written in Go.", -1, []string{"go", "Go"}},
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{"[G|g]o", "Hugo is a static site generator written in Go.", 1, []string{"go"}},
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{"[G|g]o", "Hugo is a static site generator written in Go.", "1", []string{"go"}},
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{"[G|g]o", "Hugo is a static site generator written in Go.", nil, []string(nil)},
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// errors
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{"[G|go", "Hugo is a static site generator written in Go.", nil, false},
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{"[G|g]o", t, nil, false},
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} {
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result, err := ns.FindRE(test.expr, test.content, test.limit)
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if b, ok := test.expect.(bool); ok && !b {
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c.Assert(err, qt.Not(qt.IsNil))
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continue
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}
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c.Assert(err, qt.IsNil)
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c.Check(result, qt.DeepEquals, test.expect)
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}
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}
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func TestReplaceRE(t *testing.T) {
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t.Parallel()
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c := qt.New(t)
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for _, test := range []struct {
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pattern interface{}
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repl interface{}
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s interface{}
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n []interface{}
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expect interface{}
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}{
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{"^https?://([^/]+).*", "$1", "http://gohugo.io/docs", nil, "gohugo.io"},
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{"^https?://([^/]+).*", "$2", "http://gohugo.io/docs", nil, ""},
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{"(ab)", "AB", "aabbaab", nil, "aABbaAB"},
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{"(ab)", "AB", "aabbaab", []interface{}{1}, "aABbaab"},
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// errors
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{"(ab", "AB", "aabb", nil, false}, // invalid re
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{tstNoStringer{}, "$2", "http://gohugo.io/docs", nil, false},
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{"^https?://([^/]+).*", tstNoStringer{}, "http://gohugo.io/docs", nil, false},
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{"^https?://([^/]+).*", "$2", tstNoStringer{}, nil, false},
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} {
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var (
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result string
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err error
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)
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if len(test.n) > 0 {
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result, err = ns.ReplaceRE(test.pattern, test.repl, test.s, test.n...)
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} else {
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result, err = ns.ReplaceRE(test.pattern, test.repl, test.s)
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}
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if b, ok := test.expect.(bool); ok && !b {
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c.Assert(err, qt.Not(qt.IsNil))
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continue
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}
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c.Assert(err, qt.IsNil)
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c.Check(result, qt.Equals, test.expect)
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}
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}
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