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107 lines
2.9 KiB
Go
107 lines
2.9 KiB
Go
package base
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import "testing"
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func TestParseCSVGetRows(testEnv *testing.T) {
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lineCount := ParseCSVGetRows("../examples/datasets/iris.csv")
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if lineCount != 150 {
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testEnv.Errorf("Should have %d lines, has %d", 150, lineCount)
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}
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lineCount = ParseCSVGetRows("../examples/datasets/iris_headers.csv")
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if lineCount != 151 {
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testEnv.Errorf("Should have %d lines, has %d", 151, lineCount)
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}
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}
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func TestParseCCSVGetAttributes(testEnv *testing.T) {
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attrs := ParseCSVGetAttributes("../examples/datasets/iris_headers.csv", true)
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if attrs[0].GetType() != Float64Type {
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testEnv.Errorf("First attribute should be a float, %s", attrs[0])
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}
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if attrs[0].GetName() != "Sepal length" {
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testEnv.Errorf(attrs[0].GetName())
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}
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if attrs[4].GetType() != CategoricalType {
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testEnv.Errorf("Final attribute should be categorical, %s", attrs[4])
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}
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if attrs[4].GetName() != "Species" {
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testEnv.Errorf(attrs[4])
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}
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}
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func TestParseCsvSniffAttributeTypes(testEnv *testing.T) {
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attrs := ParseCSVSniffAttributeTypes("../examples/datasets/iris_headers.csv", true)
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if attrs[0].GetType() != Float64Type {
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testEnv.Errorf("First attribute should be a float, %s", attrs[0])
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}
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if attrs[1].GetType() != Float64Type {
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testEnv.Errorf("Second attribute should be a float, %s", attrs[1])
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}
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if attrs[2].GetType() != Float64Type {
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testEnv.Errorf("Third attribute should be a float, %s", attrs[2])
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}
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if attrs[3].GetType() != Float64Type {
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testEnv.Errorf("Fourth attribute should be a float, %s", attrs[3])
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}
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if attrs[4].GetType() != CategoricalType {
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testEnv.Errorf("Final attribute should be categorical, %s", attrs[4])
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}
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}
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func TestParseCSVSniffAttributeNamesWithHeaders(testEnv *testing.T) {
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attrs := ParseCSVSniffAttributeNames("../examples/datasets/iris_headers.csv", true)
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if attrs[0] != "Sepal length" {
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testEnv.Error(attrs[0])
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}
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if attrs[1] != "Sepal width" {
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testEnv.Error(attrs[1])
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}
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if attrs[2] != "Petal length" {
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testEnv.Error(attrs[2])
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}
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if attrs[3] != "Petal width" {
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testEnv.Error(attrs[3])
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}
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if attrs[4] != "Species" {
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testEnv.Error(attrs[4])
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}
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}
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func TestReadInstances(testEnv *testing.T) {
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inst, err := ParseCSVToInstances("../examples/datasets/iris_headers.csv", true)
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if err != nil {
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testEnv.Error(err)
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return
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}
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row1 := inst.RowStr(0)
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row2 := inst.RowStr(50)
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row3 := inst.RowStr(100)
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if row1 != "5.10 3.50 1.40 0.20 Iris-setosa" {
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testEnv.Error(row1)
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}
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if row2 != "7.00 3.20 4.70 1.40 Iris-versicolor" {
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testEnv.Error(row2)
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}
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if row3 != "6.30 3.30 6.00 2.50 Iris-virginica" {
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testEnv.Error(row3)
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}
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}
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func TestReadAwkwardInsatnces(testEnv *testing.T) {
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inst, err := ParseCSVToInstances("../examples/datasets/chim.csv", true)
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if err != nil {
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testEnv.Error(err)
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return
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}
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if inst.GetAttr(0).GetType() != Float64Type {
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testEnv.Error("Should be float!")
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}
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if inst.GetAttr(1).GetType() != CategoricalType {
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testEnv.Error("Should be discrete!")
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}
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}
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