forked from cerc-io/ipld-eth-server
75 lines
2.6 KiB
Go
75 lines
2.6 KiB
Go
package pflag
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import (
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"bytes"
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"io"
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"testing"
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)
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const expectedOutput = ` --long-form Some description
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--long-form2 Some description
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with multiline
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-s, --long-name Some description
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-t, --long-name2 Some description with
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multiline
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`
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func setUpPFlagSet(buf io.Writer) *FlagSet {
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f := NewFlagSet("test", ExitOnError)
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f.Bool("long-form", false, "Some description")
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f.Bool("long-form2", false, "Some description\n with multiline")
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f.BoolP("long-name", "s", false, "Some description")
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f.BoolP("long-name2", "t", false, "Some description with\n multiline")
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f.SetOutput(buf)
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return f
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}
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func TestPrintUsage(t *testing.T) {
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buf := bytes.Buffer{}
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f := setUpPFlagSet(&buf)
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f.PrintDefaults()
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res := buf.String()
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if res != expectedOutput {
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t.Errorf("Expected \n%s \nActual \n%s", expectedOutput, res)
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}
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}
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func setUpPFlagSet2(buf io.Writer) *FlagSet {
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f := NewFlagSet("test", ExitOnError)
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f.Bool("long-form", false, "Some description")
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f.Bool("long-form2", false, "Some description\n with multiline")
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f.BoolP("long-name", "s", false, "Some description")
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f.BoolP("long-name2", "t", false, "Some description with\n multiline")
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f.StringP("some-very-long-arg", "l", "test", "Some very long description having break the limit")
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f.StringP("other-very-long-arg", "o", "long-default-value", "Some very long description having break the limit")
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f.String("some-very-long-arg2", "very long default value", "Some very long description\nwith line break\nmultiple")
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f.SetOutput(buf)
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return f
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}
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const expectedOutput2 = ` --long-form Some description
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--long-form2 Some description
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with multiline
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-s, --long-name Some description
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-t, --long-name2 Some description with
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multiline
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-o, --other-very-long-arg string Some very long description having
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break the limit (default
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"long-default-value")
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-l, --some-very-long-arg string Some very long description having
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break the limit (default "test")
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--some-very-long-arg2 string Some very long description
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with line break
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multiple (default "very long default
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value")
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`
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func TestPrintUsage_2(t *testing.T) {
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buf := bytes.Buffer{}
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f := setUpPFlagSet2(&buf)
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res := f.FlagUsagesWrapped(80)
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if res != expectedOutput2 {
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t.Errorf("Expected \n%q \nActual \n%q", expectedOutput2, res)
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}
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}
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