203d5a3a4f
* #155 refactor and synchronise writing to CodeOcean. * Reduce complexity of input parsing. * Update typo in internal/api/ws/codeocean_writer.go Co-authored-by: Sebastian Serth <MrSerth@users.noreply.github.com>
76 lines
2.3 KiB
Go
76 lines
2.3 KiB
Go
package ws
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import (
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"context"
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"github.com/gorilla/websocket"
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"github.com/openHPI/poseidon/tests"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/mock"
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"github.com/stretchr/testify/require"
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"io"
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"strings"
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"testing"
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)
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func TestCodeOceanToRawReaderReturnsOnlyAfterOneByteWasRead(t *testing.T) {
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readingCtx, cancel := context.WithCancel(context.Background())
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forwardingCtx := readingCtx
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defer cancel()
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reader := NewCodeOceanToRawReader(nil, readingCtx, forwardingCtx)
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read := make(chan bool)
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go func() {
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//nolint:makezero // we can't make zero initial length here as the reader otherwise doesn't block
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p := make([]byte, 10)
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_, err := reader.Read(p)
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require.NoError(t, err)
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read <- true
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}()
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t.Run("Does not return immediately when there is no data", func(t *testing.T) {
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assert.False(t, tests.ChannelReceivesSomething(read, tests.ShortTimeout))
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})
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t.Run("Returns when there is data available", func(t *testing.T) {
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reader.buffer <- byte(42)
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assert.True(t, tests.ChannelReceivesSomething(read, tests.ShortTimeout))
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})
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}
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func TestCodeOceanToRawReaderReturnsOnlyAfterOneByteWasReadFromConnection(t *testing.T) {
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messages := make(chan io.Reader)
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connection := &ConnectionMock{}
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connection.On("WriteMessage", mock.AnythingOfType("int"), mock.AnythingOfType("[]uint8")).Return(nil)
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connection.On("CloseHandler").Return(nil)
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connection.On("SetCloseHandler", mock.Anything).Return()
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call := connection.On("NextReader")
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call.Run(func(_ mock.Arguments) {
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call.Return(websocket.TextMessage, <-messages, nil)
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})
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readingCtx, cancel := context.WithCancel(context.Background())
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forwardingCtx := readingCtx
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defer cancel()
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reader := NewCodeOceanToRawReader(connection, readingCtx, forwardingCtx)
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reader.Start()
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read := make(chan bool)
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//nolint:makezero // this is required here to make the Read call blocking
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message := make([]byte, 10)
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go func() {
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_, err := reader.Read(message)
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require.NoError(t, err)
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read <- true
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}()
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t.Run("Does not return immediately when there is no data", func(t *testing.T) {
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assert.False(t, tests.ChannelReceivesSomething(read, tests.ShortTimeout))
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})
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t.Run("Returns when there is data available", func(t *testing.T) {
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messages <- strings.NewReader("Hello")
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assert.True(t, tests.ChannelReceivesSomething(read, tests.ShortTimeout))
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})
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}
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