hugo/resources/images/config_test.go

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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 images
import (
"fmt"
"strings"
"testing"
qt "github.com/frankban/quicktest"
)
func TestDecodeConfig(t *testing.T) {
c := qt.New(t)
m := map[string]interface{}{
"quality": 42,
"resampleFilter": "NearestNeighbor",
"anchor": "topLeft",
}
imagingConfig, err := DecodeConfig(m)
c.Assert(err, qt.IsNil)
imaging := imagingConfig.Cfg
c.Assert(imaging.Quality, qt.Equals, 42)
c.Assert(imaging.ResampleFilter, qt.Equals, "nearestneighbor")
c.Assert(imaging.Anchor, qt.Equals, "topleft")
m = map[string]interface{}{}
imagingConfig, err = DecodeConfig(m)
c.Assert(err, qt.IsNil)
imaging = imagingConfig.Cfg
c.Assert(imaging.ResampleFilter, qt.Equals, "box")
c.Assert(imaging.Anchor, qt.Equals, "smart")
_, err = DecodeConfig(map[string]interface{}{
"quality": 123,
})
c.Assert(err, qt.Not(qt.IsNil))
_, err = DecodeConfig(map[string]interface{}{
"resampleFilter": "asdf",
})
c.Assert(err, qt.Not(qt.IsNil))
_, err = DecodeConfig(map[string]interface{}{
"anchor": "asdf",
})
c.Assert(err, qt.Not(qt.IsNil))
imagingConfig, err = DecodeConfig(map[string]interface{}{
"anchor": "Smart",
})
imaging = imagingConfig.Cfg
c.Assert(err, qt.IsNil)
c.Assert(imaging.Anchor, qt.Equals, "smart")
imagingConfig, err = DecodeConfig(map[string]interface{}{
"exif": map[string]interface{}{
"disableLatLong": true,
},
})
c.Assert(err, qt.IsNil)
imaging = imagingConfig.Cfg
c.Assert(imaging.Exif.DisableLatLong, qt.Equals, true)
c.Assert(imaging.Exif.ExcludeFields, qt.Equals, "GPS|Exif|Exposure[M|P|B]|Contrast|Resolution|Sharp|JPEG|Metering|Sensing|Saturation|ColorSpace|Flash|WhiteBalance")
}
func TestDecodeImageConfig(t *testing.T) {
for i, this := range []struct {
in string
expect interface{}
}{
{"300x400", newImageConfig(300, 400, 75, 0, "box", "smart", "")},
{"300x400 #fff", newImageConfig(300, 400, 75, 0, "box", "smart", "fff")},
{"100x200 bottomRight", newImageConfig(100, 200, 75, 0, "box", "BottomRight", "")},
{"10x20 topleft Lanczos", newImageConfig(10, 20, 75, 0, "Lanczos", "topleft", "")},
{"linear left 10x r180", newImageConfig(10, 0, 75, 180, "linear", "left", "")},
{"x20 riGht Cosine q95", newImageConfig(0, 20, 95, 0, "cosine", "right", "")},
{"", false},
{"foo", false},
} {
cfg, err := DecodeConfig(nil)
if err != nil {
t.Fatal(err)
}
result, err := DecodeImageConfig("resize", this.in, cfg, PNG)
if b, ok := this.expect.(bool); ok && !b {
if err == nil {
t.Errorf("[%d] parseImageConfig didn't return an expected error", i)
}
} else {
if err != nil {
t.Fatalf("[%d] err: %s", i, err)
}
if fmt.Sprint(result) != fmt.Sprint(this.expect) {
t.Fatalf("[%d] got\n%v\n but expected\n%v", i, result, this.expect)
}
}
}
}
func newImageConfig(width, height, quality, rotate int, filter, anchor, bgColor string) ImageConfig {
var c ImageConfig = GetDefaultImageConfig("resize", ImagingConfig{})
c.TargetFormat = PNG
c.Hint = 2
c.Width = width
c.Height = height
c.Quality = quality
c.qualitySetForImage = quality != 75
c.Rotate = rotate
c.BgColorStr = bgColor
c.BgColor, _ = hexStringToColor(bgColor)
if filter != "" {
filter = strings.ToLower(filter)
if v, ok := imageFilters[filter]; ok {
c.Filter = v
c.FilterStr = filter
}
}
if anchor != "" {
if anchor == smartCropIdentifier {
c.AnchorStr = anchor
} else {
anchor = strings.ToLower(anchor)
if v, ok := anchorPositions[anchor]; ok {
c.Anchor = v
c.AnchorStr = anchor
}
}
}
return c
}