Change tag rendering to support escaped characters in value strings again

go.mod

@@ -1,14 +1,3 @@
 module github.com/dave/jennifer
 
 go 1.19
-
-require (
-	github.com/dave/astrid v0.0.0-20170323122508-8c2895878b14 // indirect
-	github.com/dave/brenda v1.1.0 // indirect
-	github.com/dave/courtney v0.3.0 // indirect
-	github.com/dave/gopackages v0.0.0-20170318123100-46e7023ec56e // indirect
-	github.com/dave/kerr v0.0.0-20170318121727-bc25dd6abe8e // indirect
-	github.com/dave/patsy v0.0.0-20210517141501-957256f50cba // indirect
-	github.com/dave/rebecca v0.9.1 // indirect
-	golang.org/x/tools v0.1.8 // indirect
-)

go.sum

@@ -1,42 +0,0 @@
-github.com/dave/astrid v0.0.0-20170323122508-8c2895878b14 h1:YI1gOOdmMk3xodBao7fehcvoZsEeOyy/cfhlpCSPgM4=
-github.com/dave/astrid v0.0.0-20170323122508-8c2895878b14/go.mod h1:Sth2QfxfATb/nW4EsrSi2KyJmbcniZ8TgTaji17D6ms=
-github.com/dave/brenda v1.1.0 h1:Sl1LlwXnbw7xMhq3y2x11McFu43AjDcwkllxxgZ3EZw=
-github.com/dave/brenda v1.1.0/go.mod h1:4wCUr6gSlu5/1Tk7akE5X7UorwiQ8Rij0SKH3/BGMOM=
-github.com/dave/courtney v0.3.0 h1:8aR1os2ImdIQf3Zj4oro+lD/L4Srb5VwGefqZ/jzz7U=
-github.com/dave/courtney v0.3.0/go.mod h1:BAv3hA06AYfNUjfjQr+5gc6vxeBVOupLqrColj+QSD8=
-github.com/dave/gopackages v0.0.0-20170318123100-46e7023ec56e h1:l99YKCdrK4Lvb/zTupt0GMPfNbncAGf8Cv/t1sYLOg0=
-github.com/dave/gopackages v0.0.0-20170318123100-46e7023ec56e/go.mod h1:i00+b/gKdIDIxuLDFob7ustLAVqhsZRk2qVZrArELGQ=
-github.com/dave/kerr v0.0.0-20170318121727-bc25dd6abe8e h1:xURkGi4RydhyaYR6PzcyHTueQudxY4LgxN1oYEPJHa0=
-github.com/dave/kerr v0.0.0-20170318121727-bc25dd6abe8e/go.mod h1:qZqlPyPvfsDJt+3wHJ1EvSXDuVjFTK0j2p/ca+gtsb8=
-github.com/dave/patsy v0.0.0-20210517141501-957256f50cba h1:1o36L4EKbZzazMk8iGC4kXpVnZ6TPxR2mZ9qVKjNNAs=
-github.com/dave/patsy v0.0.0-20210517141501-957256f50cba/go.mod h1:qfR88CgEGLoiqDaE+xxDCi5QA5v4vUoW0UCX2Nd5Tlc=
-github.com/dave/rebecca v0.9.1 h1:jxVfdOxRirbXL28vXMvUvJ1in3djwkVKXCq339qhBL0=
-github.com/dave/rebecca v0.9.1/go.mod h1:N6XYdMD/OKw3lkF3ywh8Z6wPGuwNFDNtWYEMFWEmXBA=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
-github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/yuin/goldmark v1.4.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/mod v0.5.1/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 h1:id054HUawV2/6IGm2IV8KZQjqtwAOo2CYlOToYqa0d0=
-golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.1.8 h1:P1HhGGuLW4aAclzjtmJdf0mJOjVUZUzOTqkAkWL+l6w=
-golang.org/x/tools v0.1.8/go.mod h1:nABZi5QlRsZVlzPpHl034qft6wpY4eDcsTt5AaioBiU=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

jen/example/tag_001.go

@@ -0,0 +1,3 @@
+type foo struct {
+	Bar string `json:"bar"`
+}

jen/example/tag_002.go

@@ -0,0 +1,3 @@
+type foo struct {
+	Bar string `valid:"matches(^(\d*\.)?\d+$)"`
+}

jen/tag.go

@@ -59,7 +59,7 @@ func (t tag) render(f *File, w io.Writer, s *Statement) error {
 		if len(str) > 0 {
 			str += " "
 		}
-		str += fmt.Sprintf(`%s:%q`, k, v)
+		str += fmt.Sprintf(`%s:"%s"`, k, v)
 	}
 
 	if strconv.CanBackquote(str) {

jen/tag_test.go

@@ -0,0 +1,60 @@
+package jen_test
+
+import (
+	"bytes"
+	"os"
+	"testing"
+
+	. "github.com/dave/jennifer/jen"
+)
+
+func TestTag_Render(t *testing.T) {
+	type args struct {
+		stmt *Statement
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			name: "Tag",
+			args: args{
+				stmt: Type().Id("foo").Struct(
+					Id("Bar").String().Tag(map[string]string{"json": "bar"}),
+				),
+			},
+			want: "./example/tag_001.go",
+		},
+		{
+			name: "Tag with escaped characters",
+			args: args{
+				stmt: Type().Id("foo").Struct(
+					Id("Bar").String().Tag(map[string]string{"valid": "matches(^(\\d*\\.)?\\d+$)"}),
+				),
+			},
+			want: "./example/tag_002.go",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			file := NewFile("")
+
+			expect, err := os.ReadFile(tt.want)
+			if err != nil {
+				t.Fatal("unable to read example file")
+			}
+
+			var got bytes.Buffer
+
+			err = tt.args.stmt.RenderWithFile(&got, file)
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			if got.String() != string(expect) {
+				t.Fatalf("Got: %v, expect: %v", got.String(), expect)
+			}
+		})
+	}
+}