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06ee4d6fb1
This: * adds a global -v flag for verbosity * refactors the "printer" package to have a DefaultPrinter and package functions that call it, similar to net/http's DefaultServeMux * adds printer tests * moves current users of Debugf to Printf * moves most users of the "log" package to use "printer" * demotes noticably noisy log messages to "Debugf", like "IGNORE"- and "NO_PURGE"-related messages
48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
package printer
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import (
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"bytes"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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// TestDefaultPrinter checks that the DefaultPrinter properly controls output from the package-level
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// Warnf/Printf/Debugf functions.
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func TestDefaultPrinter(t *testing.T) {
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old := DefaultPrinter
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defer func() {
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DefaultPrinter = old
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}()
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output := &bytes.Buffer{}
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DefaultPrinter = &ConsolePrinter{
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Writer: output,
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Verbose: true,
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}
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Warnf("warn\n")
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Printf("output\n")
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Debugf("debugging\n")
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assert.Equal(t, "WARNING: warn\noutput\ndebugging\n", output.String())
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}
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func TestVerbose(t *testing.T) {
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output := &bytes.Buffer{}
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p := ConsolePrinter{
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Writer: output,
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Verbose: false,
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}
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// Test that verbose output is suppressed.
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p.Warnf("a dire warning!\n")
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p.Printf("output\n")
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p.Debugf("debugging\n")
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assert.Equal(t, "WARNING: a dire warning!\noutput\n", output.String())
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// Test that Verbose output can be dynamically enabled.
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p.Verbose = true
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p.Debugf("more debugging\n")
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assert.Equal(t, "WARNING: a dire warning!\noutput\nmore debugging\n", output.String())
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}
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