vvval / go-metadata-scanner

package writers

import (

	"encoding/json"

	"fmt"

	"github.com/vvval/go-metadata-scanner/vars"

	"github.com/vvval/go-metadata-scanner/vars/metadata"

	"reflect"

	"testing"

)

func TestPackLine(t *testing.T) {

	type check struct {

		f      vars.File

		groups []string

		exp    map[string]map[string]string

		ok     bool

	}

	set := []check{

		{

			vars.NewFile("file1.jpg", metadata.Tags{"test:tag": "some test tag", "XMP:tag1": "xmp tag1", "XMP:tag2": "xmp tag2", "iptc:tag3": "iptc tag3"}),

			[]string{"filename", "XMP", "iptc"},

			map[string]map[string]string{"XMP": {"tag1": "xmp tag1", "tag2": "xmp tag2"}, "iptc": {"tag3": "iptc tag3"}},

			true,

		},

		{

			vars.NewFile("file2.png", metadata.Tags{"test:tag": "some test tag", "XMP:tag1": "xmp tag1", "XMP:tag2": "xmp tag2", "iptc:tag2": "iptc tag2"}),

			[]string{"filename", "XMP", "iptc"},

			map[string]map[string]string{"xmp": {"tag1": "xmp tag1"}, "IPTC": {"tag2": "iptc tag2"}},

			false,

		},

	}

	//Case sensitive comparison

	for i, s := range set {

		p := packCSVLine(&s.f, s.groups)

		fmt.Printf("ppp %+v\n", p)

		exp := convertMap(s.exp)

		if !reflect.DeepEqual(p[1:], exp) && s.ok {

			t.Errorf("grouping tags failed (line `%d`) (wrong inequality):\ngot `%v`\nexpected `%t` `%v`", i, p, s.ok, exp)

		} else if reflect.DeepEqual(p[1:], exp) && !s.ok {

			t.Errorf("grouping tags failed (line `%d`) (wrong equality):\ngot `%v`\nexpected `%t` `%v`", i, p, s.ok, exp)

		}

	}

}

func convertMap(i map[string]map[string]string) []string {

	var o []string

	for _, v := range i {

		s, _ := json.Marshal(v)

		o = append(o, string(s))

	}

	return o

}