filters_test.go (1164B)
1 // Copyright 2019 The Hugo Authors. All rights reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 // http://www.apache.org/licenses/LICENSE-2.0
7 //
8 // Unless required by applicable law or agreed to in writing, software
9 // distributed under the License is distributed on an "AS IS" BASIS,
10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 // See the License for the specific language governing permissions and
12 // limitations under the License.
13
14 package images
15
16 import (
17 "testing"
18
19 "github.com/gohugoio/hugo/helpers"
20
21 qt "github.com/frankban/quicktest"
22 )
23
24 func TestFilterHash(t *testing.T) {
25 c := qt.New(t)
26
27 f := &Filters{}
28
29 c.Assert(helpers.HashString(f.Grayscale()), qt.Equals, helpers.HashString(f.Grayscale()))
30 c.Assert(helpers.HashString(f.Grayscale()), qt.Not(qt.Equals), helpers.HashString(f.Invert()))
31 c.Assert(helpers.HashString(f.Gamma(32)), qt.Not(qt.Equals), helpers.HashString(f.Gamma(33)))
32 c.Assert(helpers.HashString(f.Gamma(32)), qt.Equals, helpers.HashString(f.Gamma(32)))
33 }