go-chart/date/date_test.go
2016-07-21 22:09:09 -07:00

88 lines
2.9 KiB
Go

package date
import (
"testing"
"time"
assert "github.com/blendlabs/go-assert"
)
func TestBeforeDate(t *testing.T) {
assert := assert.New(t)
assert.True(BeforeDate(parse("2015-07-02"), parse("2016-07-01")))
assert.True(BeforeDate(parse("2016-06-01"), parse("2016-07-01")))
assert.True(BeforeDate(parse("2016-07-01"), parse("2016-07-02")))
assert.False(BeforeDate(parse("2016-07-01"), parse("2016-07-01")))
assert.False(BeforeDate(parse("2016-07-03"), parse("2016-07-01")))
assert.False(BeforeDate(parse("2016-08-03"), parse("2016-07-01")))
assert.False(BeforeDate(parse("2017-08-03"), parse("2016-07-01")))
}
func TestNextMarketOpen(t *testing.T) {
assert := assert.New(t)
beforeOpen := time.Date(2016, 07, 18, 9, 0, 0, 0, Eastern())
todayOpen := time.Date(2016, 07, 18, 9, 30, 0, 0, Eastern())
afterOpen := time.Date(2016, 07, 18, 9, 31, 0, 0, Eastern())
tomorrowOpen := time.Date(2016, 07, 19, 9, 30, 0, 0, Eastern())
afterFriday := time.Date(2016, 07, 22, 9, 31, 0, 0, Eastern())
mondayOpen := time.Date(2016, 07, 25, 9, 30, 0, 0, Eastern())
weekend := time.Date(2016, 07, 23, 9, 31, 0, 0, Eastern())
assert.True(todayOpen.Equal(NextMarketOpen(beforeOpen)))
assert.True(tomorrowOpen.Equal(NextMarketOpen(afterOpen)))
assert.True(mondayOpen.Equal(NextMarketOpen(afterFriday)))
assert.True(mondayOpen.Equal(NextMarketOpen(weekend)))
testRegression := time.Date(2016, 07, 18, 16, 0, 0, 0, Eastern())
shouldbe := time.Date(2016, 07, 19, 9, 30, 0, 0, Eastern())
assert.True(shouldbe.Equal(NextMarketOpen(testRegression)))
}
func TestNextMarketClose(t *testing.T) {
assert := assert.New(t)
beforeClose := time.Date(2016, 07, 18, 15, 0, 0, 0, Eastern())
todayClose := time.Date(2016, 07, 18, 16, 00, 0, 0, Eastern())
afterClose := time.Date(2016, 07, 18, 16, 1, 0, 0, Eastern())
tomorrowClose := time.Date(2016, 07, 19, 16, 00, 0, 0, Eastern())
afterFriday := time.Date(2016, 07, 22, 16, 1, 0, 0, Eastern())
mondayClose := time.Date(2016, 07, 25, 16, 0, 0, 0, Eastern())
weekend := time.Date(2016, 07, 23, 9, 31, 0, 0, Eastern())
assert.True(todayClose.Equal(NextMarketClose(beforeClose)))
assert.True(tomorrowClose.Equal(NextMarketClose(afterClose)))
assert.True(mondayClose.Equal(NextMarketClose(afterFriday)))
assert.True(mondayClose.Equal(NextMarketClose(weekend)))
}
func TestCalculateMarketSecondsBetween(t *testing.T) {
assert := assert.New(t)
start := time.Date(2016, 07, 18, 9, 30, 0, 0, Eastern())
end := time.Date(2016, 07, 22, 16, 00, 0, 0, Eastern())
shouldbe := 5 * 6.5 * 60 * 60
assert.Equal(shouldbe, CalculateMarketSecondsBetween(start, end))
}
func TestCalculateMarketSecondsBetweenLTM(t *testing.T) {
assert := assert.New(t)
start := time.Date(2015, 07, 01, 9, 30, 0, 0, Eastern())
end := time.Date(2016, 07, 01, 9, 30, 0, 0, Eastern())
shouldbe := 253 * 6.5 * 60 * 60 //253 full market days since this date last year.
assert.Equal(shouldbe, CalculateMarketSecondsBetween(start, end))
}