From b81c435d34f7dae7dd636bc50d7d2655d401d93d Mon Sep 17 00:00:00 2001 From: Yann D'Isanto Date: Thu, 29 Jun 2023 14:08:05 +0000 Subject: [PATCH] Initial commit --- .gitignore | 3 ++ LICENSE | 21 ++++++++ README.md | 1 + api.go | 94 ++++++++++++++++++++++++++++++++++++ api_test.go | 18 +++++++ go.mod | 42 ++++++++++++++++ go.sum | 129 ++++++++++++++++++++++++++++++++++++++++++++++++++ stubs.go | 35 ++++++++++++++ stubs_test.go | 85 +++++++++++++++++++++++++++++++++ types.go | 1 + 10 files changed, 429 insertions(+) create mode 100644 .gitignore create mode 100644 LICENSE create mode 100644 README.md create mode 100644 api.go create mode 100644 api_test.go create mode 100644 go.mod create mode 100644 go.sum create mode 100644 stubs.go create mode 100644 stubs_test.go create mode 100644 types.go diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..68adf82 --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ + +.idea +*.iml \ No newline at end of file diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..33b7830 --- /dev/null +++ b/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2023 Yann D'Isanto and contributors. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..b21f606 --- /dev/null +++ b/README.md @@ -0,0 +1 @@ +# gomockhttp diff --git a/api.go b/api.go new file mode 100644 index 0000000..32ded9c --- /dev/null +++ b/api.go @@ -0,0 +1,94 @@ +package mockhttp + +import ( + "io" + "net/http" + "net/http/httptest" + "net/url" + "strings" + "testing" +) + +type ApiMock struct { + testServer *httptest.Server + calls map[HttpCall]http.HandlerFunc + t *testing.T + invocations map[HttpCall]*Invocation +} + +type HttpCall struct { + Method string + Path string +} + +type Invocation struct { + request *http.Request + requestContent []byte + t *testing.T +} + +func Api(t *testing.T) *ApiMock { + mockedApi := &ApiMock{ + calls: map[HttpCall]http.HandlerFunc{}, + t: t, + invocations: map[HttpCall]*Invocation{}, + } + + testServer := httptest.NewServer(http.HandlerFunc(func(res http.ResponseWriter, request *http.Request) { + + call := HttpCall{ + Method: strings.ToLower(request.Method), + Path: request.RequestURI, + } + + bytes, err := io.ReadAll(request.Body) + if err != nil { + t.Fatal(err) + } + + invocations := mockedApi.invocations + invocations[call] = &Invocation{ + request: request, + requestContent: bytes, + t: t, + } + mockedApi.invocations = invocations + + handler := mockedApi.calls[call] + if handler != nil { + handler(res, request) + } else { + res.WriteHeader(404) + t.Fatalf("unmocked invocation %s %s\n", call.Method, call.Path) + } + })) + mockedApi.testServer = testServer + + return mockedApi +} + +func (mockedApi *ApiMock) Close() { + mockedApi.testServer.Close() +} + +func (mockedApi *ApiMock) GetUrl() *url.URL { + testServerUrl, err := url.Parse(mockedApi.testServer.URL) + if err != nil { + mockedApi.t.Fatal(err) + } + return testServerUrl +} + +func (mockedApi *ApiMock) GetHost() string { + return mockedApi.GetUrl().Host +} + +func (mockedApi *ApiMock) Stub(method string, path string) *StubBuilder { + return &StubBuilder{ + api: mockedApi, + call: &HttpCall{ + Method: strings.ToLower(method), + Path: path, + }, + } +} diff --git a/api_test.go b/api_test.go new file mode 100644 index 0000000..9056b21 --- /dev/null +++ b/api_test.go @@ -0,0 +1,18 @@ +package mockhttp + +import ( + assertions "github.com/stretchr/testify/assert" + "testing" +) + +func TestApiUrl(t *testing.T) { + // Arrange + mockedApi := Api(t) + defer func() { mockedApi.Close() }() + + // Assert + assert := assertions.New(t) + + assert.Equal(mockedApi.testServer.URL, mockedApi.GetUrl().String()) + assert.Equal(mockedApi.GetUrl().Host, mockedApi.GetHost()) +} diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..453a2af --- /dev/null +++ b/go.mod @@ -0,0 +1,42 @@ +module github.com/le-yams/gomockhttp + +go 1.20 + +require ( + github.com/gavv/httpexpect/v2 v2.15.0 + github.com/stretchr/testify v1.5.0 +) + +require ( + github.com/ajg/form v1.5.1 // indirect + github.com/andybalholm/brotli v1.0.4 // indirect + github.com/davecgh/go-spew v1.1.1 // indirect + github.com/fatih/color v1.13.0 // indirect + github.com/fatih/structs v1.1.0 // indirect + github.com/gobwas/glob v0.2.3 // indirect + github.com/google/go-querystring v1.1.0 // indirect + github.com/gorilla/websocket v1.4.2 // indirect + github.com/hpcloud/tail v1.0.0 // indirect + github.com/imkira/go-interpol v1.1.0 // indirect + github.com/klauspost/compress v1.15.0 // indirect + github.com/mattn/go-colorable v0.1.13 // indirect + github.com/mattn/go-isatty v0.0.17 // indirect + github.com/mitchellh/go-wordwrap v1.0.1 // indirect + github.com/pmezard/go-difflib v1.0.0 // indirect + github.com/sanity-io/litter v1.5.5 // indirect + github.com/sergi/go-diff v1.0.0 // indirect + github.com/valyala/bytebufferpool v1.0.0 // indirect + github.com/valyala/fasthttp v1.34.0 // indirect + github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect + github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect + github.com/xeipuuv/gojsonschema v1.2.0 // indirect + github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0 // indirect + github.com/yudai/gojsondiff v1.0.0 // indirect + github.com/yudai/golcs v0.0.0-20170316035057-ecda9a501e82 // indirect + golang.org/x/net v0.7.0 // indirect + golang.org/x/sys v0.5.0 // indirect + gopkg.in/fsnotify.v1 v1.4.7 // indirect + gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect + gopkg.in/yaml.v2 v2.4.0 // indirect + moul.io/http2curl/v2 v2.3.0 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..85d300c --- /dev/null +++ b/go.sum @@ -0,0 +1,129 @@ +github.com/ajg/form v1.5.1 h1:t9c7v8JUKu/XxOGBU0yjNpaMloxGEJhUkqFRq0ibGeU= 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h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= +gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY= +gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ= +moul.io/http2curl/v2 v2.3.0 h1:9r3JfDzWPcbIklMOs2TnIFzDYvfAZvjeavG6EzP7jYs= +moul.io/http2curl/v2 v2.3.0/go.mod h1:RW4hyBjTWSYDOxapodpNEtX0g5Eb16sxklBqmd2RHcE= diff --git a/stubs.go b/stubs.go new file mode 100644 index 0000000..d32ec8d --- /dev/null +++ b/stubs.go @@ -0,0 +1,35 @@ +package mockhttp + +import ( + "encoding/json" + "log" + "net/http" +) + +type StubBuilder struct { + api *ApiMock + call *HttpCall +} + +func (stub *StubBuilder) With(handler http.HandlerFunc) *ApiMock { + stub.api.calls[*stub.call] = handler + return stub.api +} + +func (stub *StubBuilder) WithJson(statusCode int, content interface{}) *ApiMock { + return stub.With(func(writer http.ResponseWriter, request *http.Request) { + + writer.Header().Add("Content-Type", "application/json") + writer.WriteHeader(statusCode) + + bytes, err := json.Marshal(content) + if err != nil { + log.Fatal(err) + } + _, err = writer.Write(bytes) + if err != nil { + log.Fatal(err) + } + + }) +} diff --git a/stubs_test.go b/stubs_test.go new file mode 100644 index 0000000..6f24503 --- /dev/null +++ b/stubs_test.go @@ -0,0 +1,85 @@ +package mockhttp + +import ( + "github.com/gavv/httpexpect/v2" + assertions "github.com/stretchr/testify/assert" + "net/http" + "testing" +) + +func TestApiNotStubbedEndpoint(t *testing.T) { + // Arrange + testState := &testing.T{} + mockedApi := Api(testState) + defer func() { mockedApi.Close() }() + + // Act + client := http.Client{} + _, err := client.Get(mockedApi.GetUrl().String() + "/endpoint") + + // Assert + assert := assertions.New(t) + assert.Error(err) + assert.Equal(true, testState.Failed()) +} + +func TestApiStubbedEndpoint(t *testing.T) { + // Arrange + testState := &testing.T{} + mockedApi := Api(testState) + defer func() { mockedApi.Close() }() + + mockedApi. + Stub("get", "/endpoint"). + With(func(writer http.ResponseWriter, request *http.Request) { + + writer.Header().Add("Content-Type", "text/plain") + writer.WriteHeader(201) + _, err := writer.Write([]byte("Hello")) + if err != nil { + t.Fatal(err) + } + }) + + // Act + e := httpexpect.Default(t, mockedApi.GetUrl().String()) + + // Assert + assert := assertions.New(t) + e.GET("/endpoint"). + Expect(). + Status(http.StatusCreated). + Body().IsEqual("Hello") + + assert.Equal(false, testState.Failed()) +} + +func TestApiStubbedEndpointWithJson(t *testing.T) { + // Arrange + testState := &testing.T{} + mockedApi := Api(testState) + defer func() { mockedApi.Close() }() + + content := &TestDto{Value: "Hello"} + mockedApi. + Stub("GET", "/endpoint"). + WithJson(http.StatusOK, content) + + // Act + e := httpexpect.Default(t, mockedApi.GetUrl().String()) + + // Assert + assert := assertions.New(t) + assert.Equal(false, testState.Failed()) + + responseObject := e.GET("/endpoint"). + Expect(). + Status(http.StatusOK). + JSON().Object() + + responseObject.Value("value").IsEqual("Hello") +} + +type TestDto struct { + Value string `json:"value"` +} diff --git a/types.go b/types.go new file mode 100644 index 0000000..359f792 --- /dev/null +++ b/types.go @@ -0,0 +1 @@ +package mockhttp