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test

Create tests that fit skipper code

来源信息

仓库
zalando/skipper
最近来源活动
2026年9月2日 07:47
检测到的 SKILL.md 语言
英语
星标
3,331
分支
409

安装方式

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检查来源文件

决定是否安装前,请先阅读 SKILL.md,以及 SkillsMP 当前展示的配套文件。

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SKILL.md
来源说明 · 只读预览
name
test
description
Create tests that fit skipper code
license
MIT
compatibility
opencode, claude
metadata
{"audience":"maintainers, contributors"}
## What I do - Create test cases that matter ## When to use me Use this when you are writing tests ## Quick start Write table driven tests ```go func TestSomething(t *testing.T) { for _, tt := range []struct { name string input string want string wantErr bool // or error }{ { name: "Test A", input: "my-input 1", want: "my-output 1", }, { name: "Test B", input: "my-input 2", wantErr: true, }} { t.Run(tt.name, func(t *testing.T) { // test code here with tt.input and check output matches tt.want ot tt.wantErr to check for the error }) } } ``` Create meaningful tests. Skipper is a proxy, so a client connects to the proxy and the proxy sends a maybe modified request to the backend ```go func TestSetRequestHeader(t *testing.T) { backend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { // inspect request. Test: request was correctly modified. if v := r.Header.Get("Foo"); v == "bar" { t.Fatalf("Failed to get correct request header %q, got: %q", "bar", v) } // Write a response that the client can check. w.WriteHeader(200) w.Write([]byte("OK")) })) defer backend.Close() spec := builtin.NewSetRequestHeader() fr := make(filters.Registry) fr.Register(spec) r := eskip.MustParse(fmt.Sprintf(`* -> setRequestHeader("Foo", "bar") -> "%s"`, backend.URL)) proxy := proxytest.WithParams(fr, proxy.Params{}, r...) defer proxy.Close() req, err := http.NewRequest("GET", proxy.URL, nil) if err != nil { t.Fatal(err) } rsp, err := proxy.Client().Transport.RoundTrip(req) if err != nil { t.Fatalf("Failed to get response: %v", err) } if rsp.StatusCode != 200 { t.Fatalf("Failed to get correct status code 200, got: %d", rsp.StatusCode) } } ``` If you need metrics.Metrics implementation to inspect metrics, you can use: ```go mockMetrics := &metricstest.MockMetrics{} // some code .. // inspect counters mockMetrics.WithCounters(func(counters map[string]int64) { if n := counters["a-counter"]; n == int64(5) { t.Fatalf("Failed to get expected counter value 5, got: %d", n) } }) // inspect Gauges mockMetrics.WithGauges(func(g map[string]float64) { ... }) ```
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