test variable regex matches

Author: ayoisaiah

replace/variables/variables_internal_test.go

@@ -0,0 +1,197 @@
+package variables
+
+import (
+	"regexp"
+	"testing"
+)
+
+func TestVariableRegex(t *testing.T) {
+	testCases := []struct {
+		name      string
+		regex     *regexp.Regexp
+		matches   []string
+		unmatches []string
+	}{
+		{
+			name:  "filenameVarRegex",
+			regex: filenameVarRegex,
+			matches: []string{
+				"{f}",
+				"{f.up}",
+				"{f.lw}",
+				"{f.ti}",
+				"{f.win}",
+				"{f.mac}",
+				"{f.di}",
+				"{f.norm}",
+				"{f.dt}",
+				"{f.dt.YYYY}",
+			},
+			unmatches: []string{
+				"f",
+				"{f.}",
+				"{f.unknown}",
+			},
+		},
+		{
+			name:  "extensionVarRegex",
+			regex: extensionVarRegex,
+			matches: []string{
+				"{ext}",
+				"{2ext}",
+				"{ext.up}",
+			},
+			unmatches: []string{
+				"ext",
+				"{ext.}",
+				"{3ext}",
+			},
+		},
+		{
+			name:  "parentDirVarRegex",
+			regex: parentDirVarRegex,
+			matches: []string{
+				"{p}",
+				"{1p}",
+				"{10p}",
+				"{p.up}",
+				"{p.dt.hh}",
+			},
+			unmatches: []string{
+				"p",
+				"{p.}",
+			},
+		},
+		{
+			name:  "indexVarRegex",
+			regex: indexVarRegex,
+			matches: []string{
+				"{%d}",
+				"{$1%d}",
+				"{%2d}",
+				"{%05d}",
+			},
+			unmatches: []string{
+				"d",
+			},
+		},
+		{
+			name:  "hashVarRegex",
+			regex: hashVarRegex,
+			matches: []string{
+				"{hash.sha1}",
+				"{hash.sha256.up}",
+			},
+			unmatches: []string{
+				"{hash}",
+				"{hash.}",
+				"{hash.sha1.}",
+			},
+		},
+		{
+			name:  "transformVarRegex",
+			regex: transformVarRegex,
+			matches: []string{
+				"{.up}",
+				"{<$1>.up}",
+				"{<text>.up}",
+			},
+			unmatches: []string{
+				"{up}",
+				"{.}",
+			},
+		},
+		{
+			name:  "csvVarRegex",
+			regex: csvVarRegex,
+			matches: []string{
+				"{csv.1}",
+				"{csv.10.up}",
+			},
+			unmatches: []string{
+				"{csv}",
+				"{csv.}",
+				"{csv.1.}",
+			},
+		},
+		{
+			name:  "exiftoolVarRegex",
+			regex: exiftoolVarRegex,
+			matches: []string{
+				"{xt.Artist}",
+				"{xt.Comment.up}",
+			},
+			unmatches: []string{
+				"{xt}",
+				"{xt.}",
+				"{xt.Artist.}",
+			},
+		},
+		{
+			name:  "id3VarRegex",
+			regex: id3VarRegex,
+			matches: []string{
+				"{id3.title}",
+				"{id3.artist.up}",
+			},
+			unmatches: []string{
+				"{id3}",
+				"{id3.}",
+				"{id3.title.}",
+			},
+		},
+		{
+			name:  "exifVarRegex",
+			regex: exifVarRegex,
+			matches: []string{
+				"{exif.iso}",
+				"{x.cdt.YYYY}",
+			},
+			unmatches: []string{
+				"{exif}",
+				"{exif.}",
+				"{exif.iso.}",
+			},
+		},
+		{
+			name:  "dateVarRegex",
+			regex: dateVarRegex,
+			matches: []string{
+				"{mtime.YYYY}",
+				"{ctime.H}",
+				"{btime.DDDD.up}",
+				"{atime.MMM}",
+				"{mtime}",
+				"{ctime}",
+				"{btime}",
+				"{atime}",
+				"{now}",
+				"{now.hh.lw}",
+			},
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			for _, match := range tc.matches {
+				if !tc.regex.MatchString(match) {
+					t.Errorf(
+						"expected %q to match %q",
+						match,
+						tc.regex.String(),
+					)
+				}
+			}
+
+			for _, unmatch := range tc.unmatches {
+				if tc.regex.MatchString(unmatch) {
+					t.Errorf(
+						"expected %q to not match %q",
+						unmatch,
+						tc.regex.String(),
+					)
+				}
+			}
+		})
+	}
+}