68 lines
1.3 KiB
Go
68 lines
1.3 KiB
Go
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package logfmt
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import (
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"reflect"
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"testing"
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)
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func TestScannerSimple(t *testing.T) {
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type T struct {
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k string
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v string
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}
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tests := []struct {
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data string
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want []T
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}{
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{
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`a=1 b="bar" ƒ=2h3s r="esc\t" d x=sf `,
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[]T{
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{"a", "1"},
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{"b", "bar"},
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{"ƒ", "2h3s"},
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{"r", "esc\t"},
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{"d", ""},
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{"x", "sf"},
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},
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},
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{`x= `, []T{{"x", ""}}},
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{`y=`, []T{{"y", ""}}},
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{`y`, []T{{"y", ""}}},
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{`y=f`, []T{{"y", "f"}}},
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}
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for _, test := range tests {
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var got []T
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h := func(key, val []byte) error {
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got = append(got, T{string(key), string(val)})
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return nil
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}
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gotoScanner([]byte(test.data), HandlerFunc(h))
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if !reflect.DeepEqual(test.want, got) {
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t.Errorf("want %q, got %q", test.want, got)
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}
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}
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var called bool
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h := func(key, val []byte) error { called = true; return nil }
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err := gotoScanner([]byte(`foo="b`), HandlerFunc(h))
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if err != ErrUnterminatedString {
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t.Errorf("want %v, got %v", ErrUnterminatedString, err)
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}
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if called {
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t.Error("did not expect call to handler")
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}
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}
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func TestScannerAllocs(t *testing.T) {
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data := []byte(`a=1 b="bar" ƒ=2h3s r="esc\t" d x=sf `)
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h := func(key, val []byte) error { return nil }
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allocs := testing.AllocsPerRun(1000, func() {
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gotoScanner(data, HandlerFunc(h))
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})
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if allocs > 1 {
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t.Errorf("got %f, want <=1", allocs)
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}
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}
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