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captureOutput() — gin Function Reference

Architecture documentation for the captureOutput() function in debug_test.go from the gin codebase.

Function go GinCore Middleware called by 10

Entity Profile

Dependency Diagram

graph TD
  00345091_92ac_a265_c869_edad36a41a3b["captureOutput()"]
  93aa143e_ba29_95e3_6171_a922a9c84ca0["debug_test.go"]
  00345091_92ac_a265_c869_edad36a41a3b -->|defined in| 93aa143e_ba29_95e3_6171_a922a9c84ca0
  7db186ae_ce0d_c1d7_4224_891eb837bcb4["TestDebugPrint()"]
  7db186ae_ce0d_c1d7_4224_891eb837bcb4 -->|calls| 00345091_92ac_a265_c869_edad36a41a3b
  57eedfe7_0eeb_418f_225d_a789f164fd87["TestDebugPrintFunc()"]
  57eedfe7_0eeb_418f_225d_a789f164fd87 -->|calls| 00345091_92ac_a265_c869_edad36a41a3b
  2fa6b311_9bc1_6b03_1fea_dab4c59689d6["TestDebugPrintError()"]
  2fa6b311_9bc1_6b03_1fea_dab4c59689d6 -->|calls| 00345091_92ac_a265_c869_edad36a41a3b
  37f99941_5f32_fba2_6f1b_69ed5bb28497["TestDebugPrintRoutes()"]
  37f99941_5f32_fba2_6f1b_69ed5bb28497 -->|calls| 00345091_92ac_a265_c869_edad36a41a3b
  63b0d5d4_4938_32fd_d22b_db1e49e8338a["TestDebugPrintRouteFunc()"]
  63b0d5d4_4938_32fd_d22b_db1e49e8338a -->|calls| 00345091_92ac_a265_c869_edad36a41a3b
  9b1e0db2_80b7_7085_4dd1_b1f42cadacca["TestDebugPrintLoadTemplate()"]
  9b1e0db2_80b7_7085_4dd1_b1f42cadacca -->|calls| 00345091_92ac_a265_c869_edad36a41a3b
  1702e5f1_47b4_937c_0c9d_66f5c3992d7c["TestDebugPrintWARNINGSetHTMLTemplate()"]
  1702e5f1_47b4_937c_0c9d_66f5c3992d7c -->|calls| 00345091_92ac_a265_c869_edad36a41a3b
  de15151c_7701_3497_8c79_142c55c949a3["TestDebugPrintWARNINGDefault()"]
  de15151c_7701_3497_8c79_142c55c949a3 -->|calls| 00345091_92ac_a265_c869_edad36a41a3b
  b70aa520_5151_495f_9731_0dce2b6c1af7["TestDebugPrintWARNINGDefaultWithUnsupportedVersion()"]
  b70aa520_5151_495f_9731_0dce2b6c1af7 -->|calls| 00345091_92ac_a265_c869_edad36a41a3b
  13d495d7_8c64_938a_aed4_de8ef413328f["TestDebugPrintWARNINGNew()"]
  13d495d7_8c64_938a_aed4_de8ef413328f -->|calls| 00345091_92ac_a265_c869_edad36a41a3b
  style 00345091_92ac_a265_c869_edad36a41a3b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

debug_test.go lines 136–165

func captureOutput(t *testing.T, f func()) string {
	reader, writer, err := os.Pipe()
	if err != nil {
		panic(err)
	}
	defaultWriter := DefaultWriter
	defaultErrorWriter := DefaultErrorWriter
	defer func() {
		DefaultWriter = defaultWriter
		DefaultErrorWriter = defaultErrorWriter
		log.SetOutput(os.Stderr)
	}()
	DefaultWriter = writer
	DefaultErrorWriter = writer
	log.SetOutput(writer)
	out := make(chan string)
	wg := new(sync.WaitGroup)
	wg.Add(1)
	go func() {
		var buf strings.Builder
		wg.Done()
		_, err := io.Copy(&buf, reader)
		assert.NoError(t, err)
		out <- buf.String()
	}()
	wg.Wait()
	f()
	writer.Close()
	return <-out
}

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does captureOutput() do?
captureOutput() is a function in the gin codebase, defined in debug_test.go.
Where is captureOutput() defined?
captureOutput() is defined in debug_test.go at line 136.
What calls captureOutput()?
captureOutput() is called by 10 function(s): TestDebugPrint, TestDebugPrintError, TestDebugPrintFunc, TestDebugPrintLoadTemplate, TestDebugPrintRouteFunc, TestDebugPrintRoutes, TestDebugPrintWARNINGDefault, TestDebugPrintWARNINGDefaultWithUnsupportedVersion, and 2 more.

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