Merge branch 'SPM-21' of Studium/Softwareprojektmanagement into master

This commit is contained in:
Johannes Theiner 2019-05-06 16:11:04 +00:00 committed by Gitea
commit 1e076050d6
2 changed files with 110 additions and 0 deletions

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package de.hsel.spm.baudas.analysis;
import java.io.*;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.HashMap;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import weka.core.Instance;
import weka.core.Instances;
/**
* @author Karsten Eden
* @version 0.1
* @since 0.1
*/
public class TopFlopArticle implements Analysis<Map<String, Integer>> {
private Instances instances;
private Map<String, Integer> results;
public TopFlopArticle(File file){
results = new HashMap<>();
instances = load(file);
}
/**
* get sum for every article and sort them asending
* @return Map of Name of Products and Sum of Values
*/
public Map<String, Integer> getResult() {
String name;
Double sum = 0.0;
for(int i=11; i<=25; i++) {
for (Instance instance : instances) {
sum += instance.value(i);
}
name = instances.attribute(i).name();
results.put(name, sum.intValue());
sum = 0.0;
}
//Sort Map in ascending order
Stream<Map.Entry<String, Integer>> sorted = results.entrySet().stream().sorted(Map.Entry.comparingByValue());
results = sorted.collect(Collectors.toMap(e -> e.getKey(), e -> e.getValue(), (e1, e2) -> e2, LinkedHashMap::new));
return results;
}
}

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package de.hsel.spm.baudas.analysis;
import org.junit.jupiter.api.Test;
import java.io.File;
import java.net.URL;
import java.util.Map;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class TopFlopArticlesTest {
@Test
void test100() {
URL url = getClass().getClassLoader().getResource("kd100.csv");
assert url != null;
TopFlopArticle tfArticle = new TopFlopArticle(new File(url.getFile()));
Map<String, Integer> results = tfArticle.getResult();
assertEquals(529, results.get("Farben"));
assertEquals(2403, results.get("Elektrowerkzeuge"));
assertEquals(8055, results.get("Baustoffe"));
assertEquals(5414, results.get("Fliesen"));
assertEquals(1466, results.get("Holz"));
}
@Test
void test1000() {
URL url = getClass().getClassLoader().getResource("kd1000.csv");
assert url != null;
TopFlopArticle tfArticle = new TopFlopArticle(new File(url.getFile()));
Map<String, Integer> results = tfArticle.getResult();
assertEquals(5643, results.get("Eisenwaren"));
assertEquals(9339, results.get("Bodenbelag"));
assertEquals(12824, results.get("Gartengeraete"));
assertEquals(29055, results.get("Sanitaermaterial"));
assertEquals(50067, results.get("Armaturen"));
}
@Test
void test10000() {
URL url = getClass().getClassLoader().getResource("kd10000.csv");
assert url != null;
TopFlopArticle tfArticle = new TopFlopArticle(new File(url.getFile()));
Map<String, Integer> results = tfArticle.getResult();
assertEquals(101665, results.get("Handwerkzeuge"));
assertEquals(151920, results.get("Leuchten"));
assertEquals(231881, results.get("Schliesstechnik"));
assertEquals(294053, results.get("Elektromaterial"));
assertEquals(543613, results.get("Renovierung"));
}
}