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Support for linter that enforces using context on each `http.Request` https://github.com/sonatard/noctx
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,21 @@ | ||
package golinters | ||
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import ( | ||
"github.com/sonatard/noctx" | ||
"golang.org/x/tools/go/analysis" | ||
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"github.com/golangci/golangci-lint/pkg/golinters/goanalysis" | ||
) | ||
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func NewNoctx() *goanalysis.Linter { | ||
analyzers := []*analysis.Analyzer{ | ||
noctx.Analyzer, | ||
} | ||
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return goanalysis.NewLinter( | ||
"noctx", | ||
"noctx finds sending http request without context.Context", | ||
analyzers, | ||
nil, | ||
).WithLoadMode(goanalysis.LoadModeTypesInfo) | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,134 @@ | ||
//args: -Enoctx | ||
package testdata | ||
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import ( | ||
"context" | ||
"net/http" | ||
) | ||
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var newRequestPkg = http.NewRequest | ||
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func Noctx() { | ||
const url = "http://example.com" | ||
cli := &http.Client{} | ||
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ctx := context.Background() | ||
http.Get(url) // ERROR "net/http\.Get must not be called" | ||
_ = http.Get // OK | ||
f := http.Get // OK | ||
f(url) // ERROR "net/http\.Get must not be called" | ||
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http.Head(url) // ERROR "net/http\.Head must not be called" | ||
http.Post(url, "", nil) // ERROR "net/http\.Post must not be called" | ||
http.PostForm(url, nil) // ERROR "net/http\.PostForm must not be called" | ||
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cli.Get(url) // ERROR "\(\*net/http\.Client\)\.Get must not be called" | ||
_ = cli.Get // OK | ||
m := cli.Get // OK | ||
m(url) // ERROR "\(\*net/http\.Client\)\.Get must not be called" | ||
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cli.Head(url) // ERROR "\(\*net/http\.Client\)\.Head must not be called" | ||
cli.Post(url, "", nil) // ERROR "\(\*net/http\.Client\)\.Post must not be called" | ||
cli.PostForm(url, nil) // ERROR "\(\*net/http\.Client\)\.PostForm must not be called" | ||
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req, _ := http.NewRequest(http.MethodPost, url, nil) // ERROR "should rewrite http.NewRequestWithContext or add \(\*Request\).WithContext" | ||
cli.Do(req) | ||
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req2, _ := http.NewRequestWithContext(ctx, http.MethodPost, url, nil) // OK | ||
cli.Do(req2) | ||
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req3, _ := http.NewRequest(http.MethodPost, url, nil) // OK | ||
req3 = req3.WithContext(ctx) | ||
cli.Do(req3) | ||
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f2 := func(req *http.Request, ctx context.Context) *http.Request { | ||
return req | ||
} | ||
req4, _ := http.NewRequest(http.MethodPost, url, nil) // ERROR "should rewrite http.NewRequestWithContext or add \(\*Request\).WithContext" | ||
req4 = f2(req4, ctx) | ||
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req41, _ := http.NewRequest(http.MethodPost, url, nil) // OK | ||
req41 = req41.WithContext(ctx) | ||
req41 = f2(req41, ctx) | ||
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newRequest := http.NewRequest | ||
req5, _ := newRequest(http.MethodPost, url, nil) // ERROR "should rewrite http.NewRequestWithContext or add \(\*Request\).WithContext" | ||
cli.Do(req5) | ||
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req51, _ := newRequest(http.MethodPost, url, nil) // OK | ||
req51 = req51.WithContext(ctx) | ||
cli.Do(req51) | ||
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req52, _ := newRequestPkg(http.MethodPost, url, nil) // ERROR "should rewrite http.NewRequestWithContext or add \(\*Request\).WithContext" | ||
cli.Do(req52) | ||
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type MyRequest = http.Request | ||
f3 := func(req *MyRequest, ctx context.Context) *MyRequest { | ||
return req | ||
} | ||
req6, _ := http.NewRequest(http.MethodPost, url, nil) // ERROR "should rewrite http.NewRequestWithContext or add \(\*Request\).WithContext" | ||
req6 = f3(req6, ctx) | ||
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req61, _ := http.NewRequest(http.MethodPost, url, nil) // OK | ||
req61 = req61.WithContext(ctx) | ||
req61 = f3(req61, ctx) | ||
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type MyRequest2 http.Request | ||
f4 := func(req *MyRequest2, ctx context.Context) *MyRequest2 { | ||
return req | ||
} | ||
req7, _ := http.NewRequest(http.MethodPost, url, nil) // ERROR "should rewrite http.NewRequestWithContext or add \(\*Request\).WithContext" | ||
req71 := MyRequest2(*req7) | ||
f4(&req71, ctx) | ||
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req72, _ := http.NewRequest(http.MethodPost, url, nil) // OK | ||
req72 = req72.WithContext(ctx) | ||
req73 := MyRequest2(*req7) | ||
f4(&req73, ctx) | ||
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req8, _ := func() (*http.Request, error) { | ||
return http.NewRequest(http.MethodPost, url, nil) // ERROR "should rewrite http.NewRequestWithContext or add \(\*Request\).WithContext" | ||
}() | ||
cli.Do(req8) | ||
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req82, _ := func() (*http.Request, error) { | ||
req82, _ := http.NewRequest(http.MethodPost, url, nil) // OK | ||
req82 = req82.WithContext(ctx) | ||
return req82, nil | ||
}() | ||
cli.Do(req82) | ||
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f5 := func(req, req2 *http.Request, ctx context.Context) (*http.Request, *http.Request) { | ||
return req, req2 | ||
} | ||
req9, _ := http.NewRequest(http.MethodPost, url, nil) // ERROR "should rewrite http.NewRequestWithContext or add \(\*Request\).WithContext" | ||
req9, _ = f5(req9, req9, ctx) | ||
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req91, _ := http.NewRequest(http.MethodPost, url, nil) // OK | ||
req91 = req91.WithContext(ctx) | ||
req9, _ = f5(req91, req91, ctx) | ||
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req10, _ := http.NewRequest(http.MethodPost, url, nil) // ERROR "should rewrite http.NewRequestWithContext or add \(\*Request\).WithContext" | ||
req11, _ := http.NewRequest(http.MethodPost, url, nil) // ERROR "should rewrite http.NewRequestWithContext or add \(\*Request\).WithContext" | ||
req10, req11 = f5(req10, req11, ctx) | ||
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req101, _ := http.NewRequest(http.MethodPost, url, nil) // ERROR "should rewrite http.NewRequestWithContext or add \(\*Request\).WithContext" | ||
req111, _ := http.NewRequest(http.MethodPost, url, nil) // OK | ||
req111 = req111.WithContext(ctx) | ||
req101, req111 = f5(req101, req111, ctx) | ||
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func() (*http.Request, *http.Request) { | ||
req12, _ := http.NewRequest(http.MethodPost, url, nil) // ERROR "should rewrite http.NewRequestWithContext or add \(\*Request\).WithContext" | ||
req13, _ := http.NewRequest(http.MethodPost, url, nil) // ERROR "should rewrite http.NewRequestWithContext or add \(\*Request\).WithContext" | ||
return req12, req13 | ||
}() | ||
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func() (*http.Request, *http.Request) { | ||
req14, _ := http.NewRequest(http.MethodPost, url, nil) // ERROR "should rewrite http.NewRequestWithContext or add \(\*Request\).WithContext" | ||
req15, _ := http.NewRequest(http.MethodPost, url, nil) // OK | ||
req15 = req15.WithContext(ctx) | ||
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return req14, req15 | ||
}() | ||
} | ||
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