mirror of
https://github.com/gohugoio/hugo.git
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39cc3a2a7e
Return value in float64 if exposure time is int or greater than 1, otherwise return in fraction. Fixes #10738
316 lines
6.7 KiB
Go
316 lines
6.7 KiB
Go
// Copyright 2019 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 exif
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import (
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"encoding/json"
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"math/big"
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/gohugoio/hugo/htesting/hqt"
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"github.com/google/go-cmp/cmp"
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qt "github.com/frankban/quicktest"
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)
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func TestExif(t *testing.T) {
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c := qt.New(t)
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f, err := os.Open(filepath.FromSlash("../../testdata/sunset.jpg"))
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c.Assert(err, qt.IsNil)
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defer f.Close()
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d, err := NewDecoder(IncludeFields("Lens|Date"))
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c.Assert(err, qt.IsNil)
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x, err := d.Decode(f)
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c.Assert(err, qt.IsNil)
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c.Assert(x.Date.Format("2006-01-02"), qt.Equals, "2017-10-27")
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// Malaga: https://goo.gl/taazZy
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c.Assert(x.Lat, qt.Equals, float64(36.59744166666667))
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c.Assert(x.Long, qt.Equals, float64(-4.50846))
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v, found := x.Tags["LensModel"]
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c.Assert(found, qt.Equals, true)
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lensModel, ok := v.(string)
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c.Assert(ok, qt.Equals, true)
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c.Assert(lensModel, qt.Equals, "smc PENTAX-DA* 16-50mm F2.8 ED AL [IF] SDM")
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v, found = x.Tags["DateTime"]
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c.Assert(found, qt.Equals, true)
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c.Assert(v, hqt.IsSameType, time.Time{})
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// Verify that it survives a round-trip to JSON and back.
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data, err := json.Marshal(x)
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c.Assert(err, qt.IsNil)
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x2 := &ExifInfo{}
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err = json.Unmarshal(data, x2)
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c.Assert(x2, eq, x)
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}
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func TestExifPNG(t *testing.T) {
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c := qt.New(t)
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f, err := os.Open(filepath.FromSlash("../../testdata/gohugoio.png"))
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c.Assert(err, qt.IsNil)
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defer f.Close()
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d, err := NewDecoder()
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c.Assert(err, qt.IsNil)
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_, err = d.Decode(f)
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c.Assert(err, qt.Not(qt.IsNil))
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}
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func TestIssue8079(t *testing.T) {
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c := qt.New(t)
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f, err := os.Open(filepath.FromSlash("../../testdata/iss8079.jpg"))
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c.Assert(err, qt.IsNil)
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defer f.Close()
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d, err := NewDecoder()
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c.Assert(err, qt.IsNil)
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x, err := d.Decode(f)
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c.Assert(err, qt.IsNil)
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c.Assert(x.Tags["ImageDescription"], qt.Equals, "Città del Vaticano #nanoblock #vatican #vaticancity")
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}
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func TestNullString(t *testing.T) {
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c := qt.New(t)
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for _, test := range []struct {
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in string
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expect string
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}{
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{"foo", "foo"},
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{"\x20", "\x20"},
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{"\xc4\x81", "\xc4\x81"}, // \u0101
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{"\u0160", "\u0160"}, // non-breaking space
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} {
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res := nullString([]byte(test.in))
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c.Assert(res, qt.Equals, test.expect)
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}
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}
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func BenchmarkDecodeExif(b *testing.B) {
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c := qt.New(b)
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f, err := os.Open(filepath.FromSlash("../../testdata/sunset.jpg"))
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c.Assert(err, qt.IsNil)
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defer f.Close()
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d, err := NewDecoder()
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c.Assert(err, qt.IsNil)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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_, err = d.Decode(f)
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c.Assert(err, qt.IsNil)
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f.Seek(0, 0)
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}
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}
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var eq = qt.CmpEquals(
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cmp.Comparer(
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func(v1, v2 *big.Rat) bool {
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return v1.RatString() == v2.RatString()
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},
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),
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cmp.Comparer(func(v1, v2 time.Time) bool {
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return v1.Unix() == v2.Unix()
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}),
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)
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func TestIssue10738(t *testing.T) {
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c := qt.New(t)
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testFunc := func(path, include string) any {
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f, err := os.Open(filepath.FromSlash(path))
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c.Assert(err, qt.IsNil)
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defer f.Close()
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d, err := NewDecoder(IncludeFields(include))
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c.Assert(err, qt.IsNil)
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x, err := d.Decode(f)
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c.Assert(err, qt.IsNil)
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// Verify that it survives a round-trip to JSON and back.
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data, err := json.Marshal(x)
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c.Assert(err, qt.IsNil)
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x2 := &ExifInfo{}
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err = json.Unmarshal(data, x2)
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c.Assert(x2, eq, x)
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v, found := x.Tags["ExposureTime"]
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c.Assert(found, qt.Equals, true)
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return v
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}
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type args struct {
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path string // imagePath
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include string // includeFields
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}
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type want struct {
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vN int64 // numerator
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vD int64 // denominator
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}
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type testCase struct {
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name string
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args args
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want want
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}
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tests := []testCase{
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{
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"canon_cr2_fraction", args{
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path: "../../testdata/issue10738/canon_cr2_fraction.jpg",
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include: "Lens|Date|ExposureTime",
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}, want{
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1,
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500,
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},
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},
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{
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"canon_cr2_integer", args{
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path: "../../testdata/issue10738/canon_cr2_integer.jpg",
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include: "Lens|Date|ExposureTime",
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}, want{
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10,
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0,
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},
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},
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{
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"dji_dng_fraction", args{
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path: "../../testdata/issue10738/dji_dng_fraction.jpg",
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include: "Lens|Date|ExposureTime",
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}, want{
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1,
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4000,
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},
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},
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{
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"fuji_raf_fraction", args{
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path: "../../testdata/issue10738/fuji_raf_fraction.jpg",
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include: "Lens|Date|ExposureTime",
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}, want{
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1,
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250,
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},
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},
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{
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"fuji_raf_integer", args{
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path: "../../testdata/issue10738/fuji_raf_integer.jpg",
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include: "Lens|Date|ExposureTime",
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}, want{
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1,
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0,
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},
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},
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{
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"leica_dng_fraction", args{
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path: "../../testdata/issue10738/leica_dng_fraction.jpg",
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include: "Lens|Date|ExposureTime",
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}, want{
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1,
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100,
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},
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},
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{
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"lumix_rw2_fraction", args{
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path: "../../testdata/issue10738/lumix_rw2_fraction.jpg",
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include: "Lens|Date|ExposureTime",
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}, want{
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1,
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400,
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},
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},
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{
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"nikon_nef_d5600", args{
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path: "../../testdata/issue10738/nikon_nef_d5600.jpg",
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include: "Lens|Date|ExposureTime",
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}, want{
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1,
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1000,
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},
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},
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{
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"nikon_nef_fraction", args{
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path: "../../testdata/issue10738/nikon_nef_fraction.jpg",
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include: "Lens|Date|ExposureTime",
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}, want{
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1,
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640,
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},
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},
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{
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"nikon_nef_integer", args{
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path: "../../testdata/issue10738/nikon_nef_integer.jpg",
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include: "Lens|Date|ExposureTime",
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}, want{
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30,
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0,
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},
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},
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{
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"nikon_nef_fraction_2", args{
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path: "../../testdata/issue10738/nikon_nef_fraction_2.jpg",
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include: "Lens|Date|ExposureTime",
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}, want{
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1,
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6400,
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},
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},
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{
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"sony_arw_fraction", args{
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path: "../../testdata/issue10738/sony_arw_fraction.jpg",
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include: "Lens|Date|ExposureTime",
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}, want{
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1,
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160,
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},
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},
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{
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"sony_arw_integer", args{
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path: "../../testdata/issue10738/sony_arw_integer.jpg",
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include: "Lens|Date|ExposureTime",
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}, want{
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4,
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0,
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},
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},
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}
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for _, tt := range tests {
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c.Run(tt.name, func(c *qt.C) {
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got := testFunc(tt.args.path, tt.args.include)
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switch got.(type) {
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case float64:
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eTime, ok := got.(float64)
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c.Assert(ok, qt.Equals, true)
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c.Assert(eTime, qt.Equals, float64(tt.want.vN))
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case *big.Rat:
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eTime, ok := got.(*big.Rat)
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c.Assert(ok, qt.Equals, true)
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c.Assert(eTime, eq, big.NewRat(tt.want.vN, tt.want.vD))
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}
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})
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}
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}
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