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// Copyright 2019 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 collections
import (
"context"
"fmt"
"io"
"reflect"
"testing"
qt "github.com/frankban/quicktest"
"github.com/gohugoio/hugo/deps"
"github.com/gohugoio/hugo/output"
"github.com/gohugoio/hugo/tpl"
)
type templateFinder int
func (templateFinder) Lookup(name string) (tpl.Template, bool) {
return nil, false
}
func (templateFinder) HasTemplate(name string) bool {
return false
}
func (templateFinder) LookupVariant(name string, variants tpl.TemplateVariants) (tpl.Template, bool, bool) {
return nil, false, false
}
func (templateFinder) LookupVariants(name string) []tpl.Template {
return nil
}
func (templateFinder) LookupLayout(d output.LayoutDescriptor, f output.Format) (tpl.Template, bool, error) {
return nil, false, nil
}
func (templateFinder) Execute(t tpl.Template, wr io.Writer, data interface{}) error {
return nil
}
func (templateFinder) ExecuteWithContext(ctx context.Context, t tpl.Template, wr io.Writer, data interface{}) error {
return nil
}
func (templateFinder) GetFunc(name string) (reflect.Value, bool) {
if name == "dobedobedo" {
return reflect.Value{}, false
}
return reflect.ValueOf(fmt.Sprint), true
}
func TestApply(t *testing.T) {
t.Parallel()
c := qt.New(t)
d := &deps.Deps{}
d.SetTmpl(new(templateFinder))
ns := New(d)
strings := []interface{}{"a\n", "b\n"}
ctx := context.Background()
result, err := ns.Apply(ctx, strings, "print", "a", "b", "c")
c.Assert(err, qt.IsNil)
c.Assert(result, qt.DeepEquals, []interface{}{"abc", "abc"})
_, err = ns.Apply(ctx, strings, "apply", ".")
c.Assert(err, qt.Not(qt.IsNil))
var nilErr *error
_, err = ns.Apply(ctx, nilErr, "chomp", ".")
c.Assert(err, qt.Not(qt.IsNil))
_, err = ns.Apply(ctx, strings, "dobedobedo", ".")
c.Assert(err, qt.Not(qt.IsNil))
_, err = ns.Apply(ctx, strings, "foo.Chomp", "c\n")
if err == nil {
t.Errorf("apply with unknown func should fail")
}
}
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