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|
package porterstemmer
import (
"bufio"
"io/ioutil"
"net/http"
"os"
"strings"
"testing"
)
func TestStemString(t *testing.T) {
t.Skip("Skipping tests that attempts to access network resources.")
testDataDirName := "testdata"
_, err := os.Stat(testDataDirName)
if nil != err {
_ = os.Mkdir(testDataDirName, 0755)
}
_, err = os.Stat(testDataDirName)
if nil != err {
t.Errorf("The test data folder ([%s]) does not exists (and could not create it). Received error: [%v]", testDataDirName, err)
/////// RETURN
return
}
vocFileName := testDataDirName + "/voc.txt"
_, err = os.Stat(vocFileName)
if nil != err {
vocHref := "http://tartarus.org/martin/PorterStemmer/voc.txt"
resp, err := http.Get(vocHref)
if nil != err {
t.Errorf("Could not download test file (from web) from URL: [%s]. Received error: [%v]", vocHref, err)
/////////// RETURN
return
}
respBody, err := ioutil.ReadAll(resp.Body)
if nil != err {
t.Errorf("Error loading the contents of from URL: [%s]. Received error: [%v].", vocHref, err)
/////////// RETURN
return
}
_ = ioutil.WriteFile(vocFileName, respBody, 0644)
}
vocFd, err := os.Open(vocFileName)
if nil != err {
t.Errorf("Could NOT open testdata file: [%s]. Received error: [%v]", vocFileName, err)
/////// RETURN
return
}
defer vocFd.Close()
voc := bufio.NewReaderSize(vocFd, 1024)
outFileName := testDataDirName + "/output.txt"
_, err = os.Stat(outFileName)
if nil != err {
outHref := "http://tartarus.org/martin/PorterStemmer/output.txt"
resp, err := http.Get(outHref)
if nil != err {
t.Errorf("Could not download test file (from web) from URL: [%s]. Received error: [%v]", outHref, err)
/////////// RETURN
return
}
respBody, err := ioutil.ReadAll(resp.Body)
if nil != err {
t.Errorf("Error loading the contents of from URL: [%s]. Received error: [%v].", outHref, err)
/////////// RETURN
return
}
_ = ioutil.WriteFile(outFileName, respBody, 0644)
}
outFd, err := os.Open(outFileName)
if nil != err {
t.Errorf("Could NOT open testdata file: [%s]. Received error: [%v]", outFileName, err)
/////// RETURN
return
}
defer outFd.Close()
out := bufio.NewReaderSize(outFd, 1024)
for {
vocS, err := voc.ReadString('\n')
if nil != err {
/////// BREAK
break
}
vocS = strings.Trim(vocS, "\n\r\t ")
expected, err := out.ReadString('\n')
if nil != err {
t.Errorf("Received unexpected error when trying to read a line from [%s]. Received error: [%v]", outFileName, err)
/////// BREAK
break
}
expected = strings.Trim(expected, "\n\r\t ")
actual := StemString(vocS)
if expected != actual {
t.Errorf("Input: [%s] -> Actual: [%s]. Expected: [%s]", vocS, actual, expected)
}
}
}
|
