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497e13dc624a5b0f13d3474d7afca5af7e3a867d
gocryptotrader/exchanges/kline/technical_analysis_test.go
Adrian Gallagher 19b8957f3f codebase: Replace !errors.Is(err, target) with testify (#1931) 
* tests: Replace !errors.Is(err, target) with testify equivalents

* codebase: Manual !errors.Is(err, target) replacements

* typo: Replace errMisMatchedEvent with errMismatchedEvent

* tests: Enhance error messages for better output

* tests: Refactor error assertions in various test cases to use require and improve clarity

* misc linter: Fix assert should wording

* tests: Simplify assertions in TestCreateSignals for clarity and conciseness

* tests: Enhance assertion message in TestCreateSignals
2025-06-10 16:29:57 +10:00

297 lines
8.5 KiB
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package kline
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestGetOHLC(t *testing.T) {
t.Parallel()
if (&Item{Candles: []Candle{{Open: 1337}}}).GetOHLC() == nil {
t.Fatal("unexpected value")
}
}
func TestGetAverageTrueRange(t *testing.T) {
t.Parallel()
var ohlc *OHLC
_, err := ohlc.GetAverageTrueRange(0)
require.ErrorIs(t, err, errNilOHLC)
ohlc = &OHLC{}
_, err = ohlc.GetAverageTrueRange(0)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetAverageTrueRange(9)
require.ErrorIs(t, err, errNoData)
ohlc.High = append(ohlc.High, 1337)
_, err = ohlc.GetAverageTrueRange(9)
require.ErrorIs(t, err, errNoData)
ohlc.Low = append(ohlc.Low, 1337)
_, err = ohlc.GetAverageTrueRange(9)
require.ErrorIs(t, err, errNoData)
ohlc.Close = append(ohlc.Close, 1337)
_, err = ohlc.GetAverageTrueRange(9)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetAverageTrueRange(1)
require.NoError(t, err)
wrap := Item{Candles: []Candle{{High: 1337, Low: 1337, Close: 1337}}}
_, err = wrap.GetAverageTrueRange(1)
require.NoError(t, err)
}
func TestGetBollingerBands(t *testing.T) {
t.Parallel()
var ohlc *OHLC
_, err := ohlc.GetBollingerBands(0, 0, 0, 5)
require.ErrorIs(t, err, errNilOHLC)
ohlc = &OHLC{}
_, err = ohlc.GetBollingerBands(0, 0, 0, 5)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetBollingerBands(9, 0, 0, 5)
require.ErrorIs(t, err, errInvalidDeviationMultiplier)
_, err = ohlc.GetBollingerBands(9, 1, 0, 5)
require.ErrorIs(t, err, errInvalidDeviationMultiplier)
_, err = ohlc.GetBollingerBands(9, 1, 1, 5)
require.ErrorIs(t, err, errNoData)
ohlc.Close = append(ohlc.Close, 1337, 1337, 1337, 1337, 1337, 1337, 1337, 1337, 1337)
_, err = ohlc.GetBollingerBands(10, 1, 1, 5)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetBollingerBands(9, 1, 1, 5)
require.NoError(t, err)
wrap := Item{Candles: []Candle{{Close: 1337}, {Close: 1337}, {Close: 1337}, {Close: 1337}, {Close: 1337}, {Close: 1337}, {Close: 1337}, {Close: 1337}, {Close: 1337}}}
_, err = wrap.GetBollingerBands(9, 1, 1, 5)
require.NoError(t, err)
}
func TestGetCorrelationCoefficient(t *testing.T) {
t.Parallel()
var ohlc *OHLC
_, err := ohlc.GetCorrelationCoefficient(nil, 0)
require.ErrorIs(t, err, errNilOHLC)
ohlc = &OHLC{}
_, err = ohlc.GetCorrelationCoefficient(nil, 0)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetCorrelationCoefficient(nil, 1)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetCorrelationCoefficient(nil, 2)
require.ErrorIs(t, err, errNilOHLC)
_, err = ohlc.GetCorrelationCoefficient(&OHLC{}, 9)
require.ErrorIs(t, err, errNoData)
ohlc.Close = append(ohlc.Close, 1337, 1337)
_, err = ohlc.GetCorrelationCoefficient(&OHLC{}, 9)
require.ErrorIs(t, err, errNoData)
_, err = ohlc.GetCorrelationCoefficient(&OHLC{Close: []float64{1337}}, 2)
require.ErrorIs(t, err, errInvalidPeriod)
ohlc.Close = append(ohlc.Close, 1337)
_, err = ohlc.GetCorrelationCoefficient(&OHLC{Close: []float64{1337, 1337}}, 2)
require.ErrorIs(t, err, errInvalidDataSetLengths)
_, err = ohlc.GetCorrelationCoefficient(&OHLC{Close: []float64{1337, 1337, 1337}}, 2)
require.NoError(t, err)
wrap := Item{Candles: []Candle{{Close: 1337}, {Close: 1337}, {Close: 1337}}}
_, err = wrap.GetCorrelationCoefficient(&Item{Candles: []Candle{{Close: 1337}, {Close: 1337}, {Close: 1337}}}, 2)
require.NoError(t, err)
}
func TestGetSimpleMovingAverage(t *testing.T) {
t.Parallel()
var ohlc *OHLC
_, err := ohlc.GetSimpleMovingAverage(nil, 0)
require.ErrorIs(t, err, errNilOHLC)
ohlc = &OHLC{}
_, err = ohlc.GetSimpleMovingAverage(nil, 0)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetSimpleMovingAverage(nil, 9)
require.ErrorIs(t, err, errNoData)
_, err = ohlc.GetSimpleMovingAverage([]float64{1337}, 9)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetSimpleMovingAverage([]float64{1337, 1337}, 2)
require.NoError(t, err)
wrap := Item{Candles: []Candle{{Close: 1337}, {Close: 1337}}}
_, err = wrap.GetSimpleMovingAverageOnClose(2)
require.NoError(t, err)
}
func TestGetExponentialMovingAverage(t *testing.T) {
t.Parallel()
var ohlc *OHLC
_, err := ohlc.GetExponentialMovingAverage(nil, 0)
require.ErrorIs(t, err, errNilOHLC)
ohlc = &OHLC{}
_, err = ohlc.GetExponentialMovingAverage(nil, 0)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetExponentialMovingAverage(nil, 9)
require.ErrorIs(t, err, errNoData)
_, err = ohlc.GetExponentialMovingAverage([]float64{1337}, 9)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetExponentialMovingAverage([]float64{1337, 1337, 1337}, 2)
require.NoError(t, err)
wrap := Item{Candles: []Candle{{Close: 1337}, {Close: 1337}, {Close: 1337}}}
_, err = wrap.GetExponentialMovingAverageOnClose(2)
require.NoError(t, err)
}
func TestGetMovingAverageConvergenceDivergence(t *testing.T) {
t.Parallel()
var ohlc *OHLC
_, err := ohlc.GetMovingAverageConvergenceDivergence(nil, 0, 0, 0)
require.ErrorIs(t, err, errNilOHLC)
ohlc = &OHLC{}
_, err = ohlc.GetMovingAverageConvergenceDivergence(nil, 0, 0, 0)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetMovingAverageConvergenceDivergence(nil, 1, 0, 0)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetMovingAverageConvergenceDivergence(nil, 1, 1, 0)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetMovingAverageConvergenceDivergence(nil, 1, 2, 0)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetMovingAverageConvergenceDivergence(nil, 1, 2, 1)
require.ErrorIs(t, err, errNoData)
_, err = ohlc.GetMovingAverageConvergenceDivergence([]float64{1337}, 1, 2, 2)
require.ErrorIs(t, err, errNotEnoughData)
_, err = ohlc.GetMovingAverageConvergenceDivergence([]float64{1337, 1337, 1337, 1337, 1337, 1337, 1337, 1337}, 1, 2, 1)
require.NoError(t, err)
wrap := Item{Candles: []Candle{{Close: 1337}, {Close: 1337}, {Close: 1337}, {Close: 1337}, {Close: 1337}, {Close: 1337}, {Close: 1337}, {Close: 1337}}}
_, err = wrap.GetMovingAverageConvergenceDivergenceOnClose(1, 2, 1)
require.NoError(t, err)
}
func TestGetMoneyFlowIndex(t *testing.T) {
t.Parallel()
var ohlc *OHLC
_, err := ohlc.GetMoneyFlowIndex(0)
require.ErrorIs(t, err, errNilOHLC)
ohlc = &OHLC{}
_, err = ohlc.GetMoneyFlowIndex(0)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetMoneyFlowIndex(9)
require.ErrorIs(t, err, errNoData)
ohlc.High = append(ohlc.High, 1337, 1337, 1337, 1337, 1337, 1337)
_, err = ohlc.GetMoneyFlowIndex(9)
require.ErrorIs(t, err, errNoData)
ohlc.Low = append(ohlc.Low, 1337, 1337, 1337, 1337, 1337, 1337)
_, err = ohlc.GetMoneyFlowIndex(9)
require.ErrorIs(t, err, errNoData)
ohlc.Close = append(ohlc.Close, 1337, 1337, 1337, 1337, 1337, 1337)
_, err = ohlc.GetMoneyFlowIndex(9)
require.ErrorIs(t, err, errNoData)
ohlc.Volume = append(ohlc.Volume, 1337, 1337, 1337, 1337, 1337)
_, err = ohlc.GetMoneyFlowIndex(5)
require.ErrorIs(t, err, errInvalidDataSetLengths)
ohlc.Volume = append(ohlc.Volume, 1337)
_, err = ohlc.GetMoneyFlowIndex(6)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetMoneyFlowIndex(3)
require.NoError(t, err)
wrap := Item{Candles: []Candle{
{Close: 1337, High: 1337, Low: 1337, Volume: 1337},
{Close: 1337, High: 1337, Low: 1337, Volume: 1337},
{Close: 1337, High: 1337, Low: 1337, Volume: 1337},
}}
_, err = wrap.GetMoneyFlowIndex(2)
require.NoError(t, err)
}
func TestGetOnBalanceVolume(t *testing.T) {
t.Parallel()
var ohlc *OHLC
_, err := ohlc.GetOnBalanceVolume()
require.ErrorIs(t, err, errNilOHLC)
ohlc = &OHLC{}
_, err = ohlc.GetOnBalanceVolume()
require.ErrorIs(t, err, errNoData)
ohlc.Close = append(ohlc.Close, 1337, 1337, 1337, 1337, 1337, 1337)
_, err = ohlc.GetOnBalanceVolume()
require.ErrorIs(t, err, errNoData)
ohlc.Volume = append(ohlc.Volume, 0.00000001)
_, err = ohlc.GetOnBalanceVolume()
require.NoError(t, err)
wrap := Item{Candles: []Candle{{Close: 1337, Volume: 1337}}}
_, err = wrap.GetOnBalanceVolume()
require.NoError(t, err)
}
func TestGetRelativeStrengthIndex(t *testing.T) {
t.Parallel()
var ohlc *OHLC
_, err := ohlc.GetRelativeStrengthIndex(nil, 0)
require.ErrorIs(t, err, errNilOHLC)
ohlc = &OHLC{}
_, err = ohlc.GetRelativeStrengthIndex(nil, 0)
require.ErrorIs(t, err, errInvalidPeriod)
_, err = ohlc.GetRelativeStrengthIndex(nil, 9)
require.ErrorIs(t, err, errNotEnoughData)
_, err = ohlc.GetRelativeStrengthIndex([]float64{1337, 1337, 1337}, 9)
require.ErrorIs(t, err, errInvalidPeriod)
wrap := Item{Candles: []Candle{{Close: 1337}, {Close: 1337}, {Close: 1337}}}
_, err = wrap.GetRelativeStrengthIndexOnClose(2)
require.NoError(t, err)
}
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