util/reflect: improve test coverage

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

util/reflect/path_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 )
 
-func TestPath(t *testing.T) {
+func TestLookup(t *testing.T) {
 	type Nested2 struct {
 		Name string
 	}

util/reflect/reflect_test.go

@@ -0,0 +1,135 @@
+package reflect
+
+import (
+	"testing"
+)
+
+func TestFieldName(t *testing.T) {
+	src := "SomeVar"
+	chk := "some_var"
+	dst := FieldName(src)
+	if dst != chk {
+		t.Fatalf("FieldName error %s != %s", src, chk)
+	}
+}
+
+func TestMergeBool(t *testing.T) {
+	type str struct {
+		Bool bool `json:"bool"`
+	}
+
+	mp := make(map[string]interface{})
+	mp["bool"] = "true"
+	s := &str{}
+
+	if err := Merge(s, mp, Tags([]string{"json"})); err != nil {
+		t.Fatal(err)
+	}
+
+	if !s.Bool {
+		t.Fatalf("merge bool error: %#+v\n", s)
+	}
+
+	mp["bool"] = "false"
+
+	if err := Merge(s, mp, Tags([]string{"json"})); err != nil {
+		t.Fatal(err)
+	}
+
+	if s.Bool {
+		t.Fatalf("merge bool error: %#+v\n", s)
+	}
+
+	mp["bool"] = 1
+
+	if err := Merge(s, mp, Tags([]string{"json"})); err != nil {
+		t.Fatal(err)
+	}
+
+	if !s.Bool {
+		t.Fatalf("merge bool error: %#+v\n", s)
+	}
+}
+
+func TestMergeString(t *testing.T) {
+	type str struct {
+		Bool string `json:"bool"`
+	}
+
+	mp := make(map[string]interface{})
+	mp["bool"] = true
+	s := &str{}
+
+	if err := Merge(s, mp, Tags([]string{"json"})); err != nil {
+		t.Fatalf("merge with true err: %v", err)
+	}
+
+	if s.Bool != "true" {
+		t.Fatalf("merge bool error: %#+v\n", s)
+	}
+
+	mp["bool"] = false
+	if err := Merge(s, mp, Tags([]string{"json"})); err != nil {
+		t.Fatalf("merge with falst err: %v", err)
+	}
+
+	if s.Bool != "false" {
+		t.Fatalf("merge bool error: %#+v\n", s)
+	}
+}
+
+func TestMergeNested(t *testing.T) {
+	type CallReqNested struct {
+		StringArgs []string       `json:"string_args"`
+		Uint64Args []uint64       `json:"uint64_args"`
+		Nested     *CallReqNested `json:"nested2"`
+	}
+
+	type CallReq struct {
+		Name   string         `json:"name"`
+		Req    string         `json:"req"`
+		Arg2   int            `json:"arg2"`
+		Nested *CallReqNested `json:"nested"`
+	}
+
+	dst := &CallReq{
+		Name: "name_old",
+		Req:  "req_old",
+	}
+
+	mp := make(map[string]interface{})
+	mp["name"] = "name_new"
+	mp["req"] = "req_new"
+	mp["arg2"] = 1
+	mp["nested.string_args"] = []string{"args1", "args2"}
+	mp["nested.uint64_args"] = []uint64{1, 2, 3}
+	mp["nested.nested2.uint64_args"] = []uint64{1, 2, 3}
+
+	mp = FlattenMap(mp)
+
+	if err := Merge(dst, mp, Tags([]string{"json"})); err != nil {
+		t.Fatal(err)
+	}
+
+	if dst.Name != "name_new" || dst.Req != "req_new" || dst.Arg2 != 1 {
+		t.Fatalf("merge error: %#+v", dst)
+	}
+
+	if dst.Nested == nil || len(dst.Nested.Uint64Args) != 3 ||
+		len(dst.Nested.StringArgs) != 2 || dst.Nested.StringArgs[0] != "args1" ||
+		len(dst.Nested.Uint64Args) != 3 || dst.Nested.Uint64Args[2] != 3 {
+		t.Fatalf("merge error: %#+v", dst.Nested)
+	}
+
+	nmp := make(map[string]interface{})
+	nmp["nested.uint64_args"] = []uint64{4}
+	nmp = FlattenMap(nmp)
+
+	if err := Merge(dst, nmp, SliceAppend(true), Tags([]string{"json"})); err != nil {
+		t.Fatal(err)
+	}
+
+	if dst.Nested == nil || len(dst.Nested.Uint64Args) != 4 || dst.Nested.Uint64Args[3] != 4 {
+		t.Fatalf("merge error: %#+v", dst.Nested)
+	}
+}

util/reflect/struct_test.go

@@ -9,7 +9,34 @@ import (
 	rutil "go.unistack.org/micro/v3/util/reflect"
 )
 
-func TestStructfields(t *testing.T) {
+func TestStructFields(t *testing.T) {
+	type NestedStr struct {
+		BBB string
+		CCC int
+	}
+	type Str struct {
+		Name   []string `json:"name" codec:"flatten"`
+		XXX    string   `json:"xxx"`
+		Nested NestedStr
+	}
+
+	val := &Str{Name: []string{"first", "second"}, XXX: "ttt", Nested: NestedStr{BBB: "ddd", CCC: 9}}
+	fields, err := rutil.StructFields(val)
+	if err != nil {
+		t.Fatal(err)
+	}
+	var ok bool
+	for _, field := range fields {
+		if field.Path == "Nested.CCC" {
+			ok = true
+		}
+	}
+	if !ok {
+		t.Fatalf("struct fields returns invalid path: %v", fields)
+	}
+}
+
+func TestStructFieldsNested(t *testing.T) {
 	type NestedConfig struct {
 		Value string
 	}
@@ -130,34 +157,7 @@ func TestStructFieldsMap(t *testing.T) {
 	}
 }
 
-func TestStructFields(t *testing.T) {
-	type NestedStr struct {
-		BBB string
-		CCC int
-	}
-	type Str struct {
-		Name   []string `json:"name" codec:"flatten"`
-		XXX    string   `json:"xxx"`
-		Nested NestedStr
-	}
-
-	val := &Str{Name: []string{"first", "second"}, XXX: "ttt", Nested: NestedStr{BBB: "ddd", CCC: 9}}
-	fields, err := rutil.StructFields(val)
-	if err != nil {
-		t.Fatal(err)
-	}
-	var ok bool
-	for _, field := range fields {
-		if field.Path == "Nested.CCC" {
-			ok = true
-		}
-	}
-	if !ok {
-		t.Fatalf("struct fields returns invalid path: %v", fields)
-	}
-}
-
-func TestStructByPath(t *testing.T) {
+func TestStructFieldByPath(t *testing.T) {
 	type NestedStr struct {
 		BBB string
 		CCC int
@@ -178,7 +178,7 @@ func TestStructByPath(t *testing.T) {
 	}
 }
 
-func TestStructByTag(t *testing.T) {
+func TestStructFieldByTag(t *testing.T) {
 	type Str struct {
 		Name []string `json:"name" codec:"flatten"`
 	}
@@ -197,7 +197,7 @@ func TestStructByTag(t *testing.T) {
 	}
 }
 
-func TestStructByName(t *testing.T) {
+func TestStructFieldByName(t *testing.T) {
 	type Str struct {
 		Name []string `json:"name" codec:"flatten"`
 	}
@@ -260,7 +260,7 @@ func TestURLSliceVars(t *testing.T) {
 	}
 }
 
-func TestURLVars(t *testing.T) {
+func TestURLMap(t *testing.T) {
 	u, err := url.Parse("http://localhost/v1/test/call/my_name?req=key&arg1=arg1&arg2=12345&nested.string_args=str1&nested.string_args=str2&arg2=54321")
 	if err != nil {
 		t.Fatal(err)