New input matching rule: equals_unordered

Readme.md

@@ -122,7 +122,7 @@ Stub will respond with the expected response only if the request matches any rul
 So if you do a `curl -X POST -d '{"service":"Greeter","method":"SayHello","data":{"name":"gripmock"}}' localhost:4771/find` stub service will find a match from listed stubs stored there.
 
 ### Input Matching Rule
-Input matching has 3 rules to match an input: **equals**,**contains** and **regex**
+Input matching has 4 rules to match an input: **equals**, **equals_unordered**, **contains** and **regex**
 <br>
 Nested fields are allowed for input matching too for all JSON data types. (`string`, `bool`, `array`, etc.)
 <br>
@@ -151,6 +151,31 @@ Nested fields are allowed for input matching too for all JSON data types. (`stri
 }
 ```
 
+**equals_unordered** will match the exact field name and value of input into expected stub, except lists (which are compared as sets). example stub JSON:
+
+
+```
+{
+  .
+  .
+  "input":{
+    "equals_unordered":{
+      "name":"gripmock",
+      "greetings": {
+            "english": "Hello World!",
+            "indonesian": "Halo Dunia!",
+            "turkish": "Merhaba Dünya!"
+      },
+      "ok": true,
+      "numbers": [4, 8, 15, 16, 23, 42]
+      "null": null
+    }
+  }
+  .
+  .
+}
+```
+
 **contains** will match input that has the value declared expected fields. example stub JSON:
 ```
 {

stub/storage.go

@@ -7,6 +7,7 @@ import (
 	"log"
 	"reflect"
 	"regexp"
+	"sort"
 	"sync"
 
 	"github.com/lithammer/fuzzysearch/fuzzy"
@@ -81,6 +82,13 @@ func findStub(stub *findStubPayload) (*Output, error) {
 			}
 		}
 
+		if expect := stubrange.Input.EqualsUnordered; expect != nil {
+			closestMatch = append(closestMatch, closeMatch{"equals_unordered", expect})
+			if equalsUnordered(stub.Data, expect) {
+				return &stubrange.Output, nil
+			}
+		}
+
 		if expect := stubrange.Input.Contains; expect != nil {
 			closestMatch = append(closestMatch, closeMatch{"contains", expect})
 			if contains(stubrange.Input.Contains, stub.Data) {
@@ -186,18 +194,40 @@ func regexMatch(expect, actual interface{}) bool {
 }
 
 func equals(expect, actual map[string]interface{}) bool {
-	return find(expect, actual, true, true, deepEqual)
+	return find(expect, actual, true, true, deepEqual, false)
+}
+
+func equalsUnordered(expect, actual map[string]interface{}) bool {
+	return find(expect, actual, true, true, deepEqual, true)
 }
 
 func contains(expect, actual map[string]interface{}) bool {
-	return find(expect, actual, true, false, deepEqual)
+	return find(expect, actual, true, false, deepEqual, false)
 }
 
 func matches(expect, actual map[string]interface{}) bool {
-	return find(expect, actual, true, false, regexMatch)
+	return find(expect, actual, true, false, regexMatch, false)
+}
+
+func equalsIgnoreOrder(expect, actual interface{}) bool {
+	expectSlice, expectOk := expect.([]interface{})
+	actualSlice, actualOk := actual.([]interface{})
+	if !expectOk || !actualOk {
+		return false
+	}
+	if len(expectSlice) != len(actualSlice) {
+		return false
+	}
+	sort.Slice(expectSlice, func(i, j int) bool {
+		return fmt.Sprint(expectSlice[i]) < fmt.Sprint(expectSlice[j])
+	})
+	sort.Slice(actualSlice, func(i, j int) bool {
+		return fmt.Sprint(actualSlice[i]) < fmt.Sprint(actualSlice[j])
+	})
+	return reflect.DeepEqual(expectSlice, actualSlice)
 }
 
-func find(expect, actual interface{}, acc, exactMatch bool, f matchFunc) bool {
+func find(expect, actual interface{}, acc, exactMatch bool, f matchFunc, ignoreOrder bool) bool {
 
 	// circuit brake
 	if acc == false {
@@ -225,9 +255,13 @@ func find(expect, actual interface{}, acc, exactMatch bool, f matchFunc) bool {
 			}
 		}
 
+		if expectArrayOk && actualArrayOk && ignoreOrder {
+			return equalsIgnoreOrder(expectArrayValue, actualArrayValue)
+		}
+
 		for expectItemIndex, expectItemValue := range expectArrayValue {
 			actualItemValue := actualArrayValue[expectItemIndex]
-			acc = find(expectItemValue, actualItemValue, acc, exactMatch, f)
+			acc = find(expectItemValue, actualItemValue, acc, exactMatch, f, ignoreOrder)
 		}
 
 		return acc
@@ -256,7 +290,7 @@ func find(expect, actual interface{}, acc, exactMatch bool, f matchFunc) bool {
 
 		for expectItemKey, expectItemValue := range expectMapValue {
 			actualItemValue := actualMapValue[expectItemKey]
-			acc = find(expectItemValue, actualItemValue, acc, exactMatch, f)
+			acc = find(expectItemValue, actualItemValue, acc, exactMatch, f, ignoreOrder)
 		}
 
 		return acc

stub/stub.go

@@ -55,9 +55,10 @@ type Stub struct {
 }
 
 type Input struct {
-	Equals   map[string]interface{} `json:"equals"`
-	Contains map[string]interface{} `json:"contains"`
-	Matches  map[string]interface{} `json:"matches"`
+	Equals          map[string]interface{} `json:"equals"`
+	EqualsUnordered map[string]interface{} `json:"equals_unordered"`
+	Contains        map[string]interface{} `json:"contains"`
+	Matches         map[string]interface{} `json:"matches"`
 }
 
 type Output struct {
@@ -118,6 +119,8 @@ func validateStub(stub *Stub) error {
 		break
 	case stub.Input.Equals != nil:
 		break
+	case stub.Input.EqualsUnordered != nil:
+		break
 	case stub.Input.Matches != nil:
 		break
 	default:

stub/stub_test.go

@@ -48,7 +48,7 @@ func TestStub(t *testing.T) {
 				return httptest.NewRequest("GET", "/", nil)
 			},
 			handler: listStub,
-			expect:  "{\"Testing\":{\"TestMethod\":[{\"Input\":{\"equals\":{\"Hola\":\"Mundo\"},\"contains\":null,\"matches\":null},\"Output\":{\"data\":{\"Hello\":\"World\"},\"error\":\"\"}}]}}\n",
+			expect:  "{\"Testing\":{\"TestMethod\":[{\"Input\":{\"equals\":{\"Hola\":\"Mundo\"},\"equals_unordered\":null,\"contains\":null,\"matches\":null},\"Output\":{\"data\":{\"Hello\":\"World\"},\"error\":\"\"}}]}}\n",
 		},
 		{
 			name: "find stub equals",
@@ -99,6 +99,58 @@ func TestStub(t *testing.T) {
 			handler: handleFindStub,
 			expect:  "{\"data\":{\"Hello\":\"World\"},\"error\":\"\"}\n",
 		},
+		{
+			name: "add stub equals_unordered",
+			mock: func() *http.Request {
+				payload := `{
+								"service": "TestingUnordered",
+								"method":"TestMethod",
+								"input": {
+									"equals_unordered": {
+										"ids": [1,2]
+									}
+								},
+								"output":{
+									"data":{
+										"hello":"world"
+									}
+								}
+							}`
+				return httptest.NewRequest("POST", "/add", bytes.NewReader([]byte(payload)))
+			},
+			handler: addStub,
+			expect:  `Success add stub`,
+		},
+		{
+			name: "find stub equals_unordered",
+			mock: func() *http.Request {
+				payload := `{
+						"service":"TestingUnordered",
+						"method":"TestMethod",
+						"data":{
+							"ids":[1,2]
+						}
+					}`
+				return httptest.NewRequest("GET", "/find", bytes.NewReader([]byte(payload)))
+			},
+			handler: handleFindStub,
+			expect:  "{\"data\":{\"hello\":\"world\"},\"error\":\"\"}\n",
+		},
+		{
+			name: "find stub equals_unordered reversed",
+			mock: func() *http.Request {
+				payload := `{
+						"service":"TestingUnordered",
+						"method":"TestMethod",
+						"data":{
+							"ids":[2,1]
+						}
+					}`
+				return httptest.NewRequest("GET", "/find", bytes.NewReader([]byte(payload)))
+			},
+			handler: handleFindStub,
+			expect:  "{\"data\":{\"hello\":\"world\"},\"error\":\"\"}\n",
+		},
 		{
 			name: "add stub contains",
 			mock: func() *http.Request {