From 1ca7d1bfe42ae4572fcff8ea49272de5d2a436bf Mon Sep 17 00:00:00 2001
From: Nick Kozlov <22479658+EnoRage@users.noreply.github.com>
Date: Tue, 17 Nov 2020 15:26:41 +0300
Subject: [PATCH] Add mock package for tests with mocks

---
 go.mod            |  1 +
 go.sum            |  2 ++
 mock/mock.go      | 34 ++++++++++++++++++++++++++++++++++
 mock/mock_test.go | 43 +++++++++++++++++++++++++++++++++++++++++++
 mock/test.json    |  3 +++
 5 files changed, 83 insertions(+)
 create mode 100644 mock/mock.go
 create mode 100644 mock/mock_test.go
 create mode 100644 mock/test.json

diff --git a/go.mod b/go.mod
index be1e052..20330de 100644
--- a/go.mod
+++ b/go.mod
@@ -4,6 +4,7 @@ go 1.15
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/imroc/req v0.3.0
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/shopspring/decimal v1.2.0
 	github.com/stretchr/testify v1.6.1
diff --git a/go.sum b/go.sum
index a41f7be..465958a 100644
--- a/go.sum
+++ b/go.sum
@@ -2,6 +2,8 @@ github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/imroc/req v0.3.0 h1:3EioagmlSG+z+KySToa+Ylo3pTFZs+jh3Brl7ngU12U=
+github.com/imroc/req v0.3.0/go.mod h1:F+NZ+2EFSo6EFXdeIbpfE9hcC233id70kf0byW97Caw=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
diff --git a/mock/mock.go b/mock/mock.go
new file mode 100644
index 0000000..8267e0f
--- /dev/null
+++ b/mock/mock.go
@@ -0,0 +1,34 @@
+package mock
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+	"os"
+)
+
+func ParseJsonFromFilePath(file string, intoStruct interface{}) error {
+	jsonFile, err := os.Open(file)
+	if err != nil {
+		return err
+	}
+	defer jsonFile.Close()
+
+	byteValue, err := ioutil.ReadAll(jsonFile)
+	if err != nil {
+		return err
+	}
+	err = json.Unmarshal(byteValue, &intoStruct)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func CreateMockedAPI(funcsMap map[string]func(http.ResponseWriter, *http.Request)) http.Handler {
+	r := http.NewServeMux()
+	for pattern, f := range funcsMap {
+		r.HandleFunc(pattern, f)
+	}
+	return r
+}
diff --git a/mock/mock_test.go b/mock/mock_test.go
new file mode 100644
index 0000000..8408d60
--- /dev/null
+++ b/mock/mock_test.go
@@ -0,0 +1,43 @@
+package mock
+
+import (
+	"fmt"
+	"github.com/imroc/req"
+	"github.com/stretchr/testify/assert"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestCreateMockedAPI(t *testing.T) {
+	data := make(map[string]func(http.ResponseWriter, *http.Request))
+	data["/1"] = func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+		if _, err := fmt.Fprint(w, `{"status": true}`); err != nil {
+			panic(err)
+		}
+	}
+
+	server := httptest.NewServer(CreateMockedAPI(data))
+	defer server.Close()
+
+	resp, err := req.Get(server.URL + "/1")
+	assert.Nil(t, err)
+	type S struct {
+		Status bool
+	}
+	var s S
+
+	assert.Nil(t, resp.ToJSON(&s))
+	assert.True(t, s.Status)
+}
+
+func TestParseJsonFromFilePath(t *testing.T) {
+	type S struct {
+		Status bool
+	}
+	var s S
+	err := ParseJsonFromFilePath("test.json", &s)
+	assert.Nil(t, err)
+	assert.True(t, s.Status)
+}
diff --git a/mock/test.json b/mock/test.json
new file mode 100644
index 0000000..bc9697e
--- /dev/null
+++ b/mock/test.json
@@ -0,0 +1,3 @@
+{
+  "status": true
+}
\ No newline at end of file