29 lines
525 B
Go
29 lines
525 B
Go
package readers
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import (
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"context"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestContextReader(t *testing.T) {
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r := NewPatternReader(100)
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ctx, cancel := context.WithCancel(context.Background())
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cr := NewContextReader(ctx, r)
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var buf = make([]byte, 3)
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n, err := cr.Read(buf)
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require.NoError(t, err)
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assert.Equal(t, 3, n)
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assert.Equal(t, []byte{0, 1, 2}, buf)
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cancel()
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n, err = cr.Read(buf)
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assert.Equal(t, context.Canceled, err)
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assert.Equal(t, 0, n)
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}
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