X-Git-Url: https://git.auder.net/?p=talweg.git;a=blobdiff_plain;f=pkg%2Ftests%2Ftestthat%2Ftest.Forecaster.R;h=63878278d81b40b0d3198775e0272f6514002013;hp=0986a3dfc9faa4f1703728a2c1c4c3bdb0c93ba2;hb=44a9990b6d608ffcd2e99d5193fa8b9e6cbdb436;hpb=16209589215b8300e07e3525ae5bcb236d6f7008

diff --git a/pkg/tests/testthat/test.Forecaster.R b/pkg/tests/testthat/test.Forecaster.R
index 0986a3d..6387827 100644
--- a/pkg/tests/testthat/test.Forecaster.R
+++ b/pkg/tests/testthat/test.Forecaster.R
@@ -1,35 +1,90 @@
 context("Check that forecasters behave as expected")
 
-test_that("Average+Zero method behave as expected",
+ts_data = system.file("testdata","ts_test.csv",package="talweg")
+exo_data = system.file("testdata","exo_test.csv",package="talweg")
+data00 <<- getData(ts_data, exo_data, input_tz="GMT", date_format="%Y-%m-%d %H:%M",
+	working_tz="GMT", predict_at=0, limit=Inf)
+data13 <<- getData(ts_data, exo_data, input_tz="GMT", date_format="%Y-%m-%d %H:%M",
+	working_tz="GMT", predict_at=13, limit=Inf)
+#Forecast at sunday to saturday, for monday to sunday
+indices <<- seq(as.Date("2007-04-01"),as.Date("2007-04-07"),"days")
+
+test_that("Average method behave as expected",
 {
-	ts_data = system.file("testdata","ts",package="talweg")
-	exo_data = system.file("testdata","exo",package="talweg")
+	pred00_z = getForecast(data00, indices, "Average", "Zero",        Inf, 24)
+	pred00_p = getForecast(data00, indices, "Average", "Persistence", Inf, 24)
+	for (i in seq_along(indices))
+	{
+		#zero jump: should predict true values minus 1
+		expect_identical(pred00_z$getSerie(i), rep(i,24))
+		#persistence jump == 1: should predict true values
+		expect_identical(pred00_p$getSerie(i), rep(i%%7+1,24))
+	}
+
+	#NOTE: days become
+	#1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 (14h-->0h then 1h-->13h)
+	#No jump between days, thus zero and persistence are equivalent (and wrong)
+	pred13_z = getForecast(data13, indices, "Average", "Zero",        Inf, 24)
+	pred13_p = getForecast(data13, indices, "Average", "Persistence", Inf, 24)
+	prediction = c(rep(-13/24,11),rep(11/24,13))
+	for (i in seq_along(indices))
+	{
+		expect_equal(pred13_z$getSerie(i), prediction )
+		expect_equal(pred13_p$getSerie(i), prediction )
+	}
 
-	data0 = getData(ts_data, exo_data, input_tz="GMT", date_format="%Y-%m-%d %H:%M",
-		working_tz="GMT", predict_at=0, limit=Inf)
-	#TODO: with and without shift at origin (so series values at least forst ones are required)
+	#A few extra checks
+	expect_identical( pred00_sd$getIndexInData(1), dateIndexToInteger("2007-04-01",data00) )
+	expect_identical( pred13_dd$getIndexInData(3), dateIndexToInteger("2007-04-03",data13) )
+	expect_identical( pred00_dd$getIndexInData(5), dateIndexToInteger("2007-04-05",data00) )
+})
+
+test_that("Persistence method behave as expected",
+{
+	#Situation A: +Zero; always wrong
+	pred00_sd = getForecast(data00, indices, "Persistence", "Zero", Inf, 24, same_day=TRUE)
+	pred00_dd = getForecast(data00, indices, "Persistence", "Zero", Inf, 24, same_day=FALSE)
+	for (i in seq_along(indices))
+	{
+		expect_identical(pred00_sd$getSerie(i), rep(i,24))
+		expect_identical(pred00_dd$getSerie(i), rep(i,24))
+	}
 
-	indices = ...
-	pred0 = getForecast(.......)
+	pred13_sd = getForecast(data13, indices, "Persistence", "Zero", Inf, 24, same_day=TRUE)
+	pred13_dd = getForecast(data13, indices, "Persistence", "Zero", Inf, 24, same_day=FALSE)
+	for (i in seq_along(indices))
+	{
+		expect_identical(pred13_sd$getSerie(i), c( rep(i,11), rep(i%%7+1,13) ) )
+		expect_identical(pred13_dd$getSerie(i), c( rep(i,11), rep(i%%7+1,13) ) )
+	}
 
+	#Situation B: +Persistence, correct when predict_at==0
+	pred00_sd = getForecast(data00, indices, "Persistence", "Persistence", Inf, 24, same_day=TRUE)
+	pred00_dd = getForecast(data00, indices, "Persistence", "Persistence", Inf, 24, same_day=FALSE)
 	for (i in seq_along(indices))
 	{
-		expect_identical(....)
+		expect_identical(pred00_sd$getSerie(i), rep(i%%7+1,24))
+		expect_identical(pred00_dd$getSerie(i), rep(i%%7+1,24))
 	}
 
-	data13 = getData(ts_data, exo_data, input_tz="GMT", date_format="%Y-%m-%d %H:%M",
-		working_tz="GMT", predict_at=13, limit=Inf)
-	#Attention: jours deviennent 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 (14h-->0h puis 1h-->13h)
-}
+	pred13_sd = getForecast(data13, indices, "Persistence", "Persistence", Inf, 24, same_day=TRUE)
+	pred13_dd = getForecast(data13, indices, "Persistence", "Persistence", Inf, 24, same_day=FALSE)
+	for (i in seq_along(indices))
+	{
+		expect_identical(pred13_sd$getSerie(i), c( rep(i,11), rep(i%%7+1,13) ) )
+		expect_identical(pred13_dd$getSerie(i), c( rep(i,11), rep(i%%7+1,13) ) )
+	}
 
-test_that("Persistence+Zero method behave as expected",
-{
-}
+	#A few extra checks
+	expect_identical( pred13_sd$getIndexInData(1), dateIndexToInteger("2007-04-01",data12) )
+	expect_identical( pred00_dd$getIndexInData(3), dateIndexToInteger("2007-04-03",data00) )
+	expect_identical( pred13_dd$getIndexInData(5), dateIndexToInteger("2007-04-05",data13) )
+})
 
 test_that("Neighbors+Zero method behave as expected",
 {
-}
+})
 
 test_that("Neighbors+Neighbors method behave as expected",
 {
-}
+})