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methods written tests passed, working on formatting output

jacob andersen 6 anni fa
parent
commit
84d7208b40

+ 140
- 9
src/main/java/io/zipcoder/ItemParser.java Vedi File

@@ -1,31 +1,162 @@
1 1
 package io.zipcoder;
2 2
 
3
+import java.lang.reflect.Field;
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+import java.lang.reflect.Method;
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 import java.util.ArrayList;
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 import java.util.Arrays;
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+import java.util.HashMap;
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+import java.util.Map;
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+import java.util.regex.Matcher;
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+import java.util.regex.Pattern;
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+
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+import static jdk.nashorn.internal.objects.NativeString.indexOf;
5 13
 
6 14
 public class ItemParser {
7 15
 
8 16
 
9
-    public ArrayList<String> parseRawDataIntoStringArray(String rawData){
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+    public ArrayList<String> parseRawDataIntoStringArray(String rawData) {
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         String stringPattern = "##";
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-        ArrayList<String> response = splitStringWithRegexPattern(stringPattern , rawData);
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+        ArrayList<String> response = splitStringWithRegexPattern(stringPattern, rawData);
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         return response;
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     }
14 22
 
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-    public Item parseStringIntoItem(String rawItem) throws ItemParseException{
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-        return null;
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+    public Item parseStringIntoItem(String rawItem) throws ItemParseException {
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+        ArrayList<String> values = getValues(toLowerCase(rawItem));
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+
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+        String name = values.get(0);
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+        Double price = Double.valueOf(values.get(1));
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+        String type = values.get(2);
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+        String expiration = values.get(3);
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+
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+
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+        return new Item(name, price, type, expiration);
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+
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     }
18 35
 
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-    public ArrayList<String> findKeyValuePairsInRawItemData(String rawItem){
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-        String stringPattern = "[;|^]";
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-        ArrayList<String> response = splitStringWithRegexPattern(stringPattern , rawItem);
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+    public ArrayList<String> findKeyValuePairsInRawItemData(String rawItem) {
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+        String stringPattern = "[^a-zA-Z0-9\\:\\.\\/]+";
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+        ArrayList<String> response = splitStringWithRegexPattern(stringPattern, rawItem);
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         return response;
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     }
24 41
 
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-    private ArrayList<String> splitStringWithRegexPattern(String stringPattern, String inputString){
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+    private ArrayList<String> splitStringWithRegexPattern(String stringPattern, String inputString) {
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         return new ArrayList<String>(Arrays.asList(inputString.split(stringPattern)));
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     }
28 45
 
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+    public String getValue(String input) throws ItemParseException {
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+        ArrayList<String> kv = splitStringWithRegexPattern(":", input);
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+        if (kv.size() < 2) {
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+            throw new ItemParseException();
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+        } else if (kv.size() == 2) {
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+            return kv.get(1);
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+        }
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+        return null;
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+    }
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+
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+    public ArrayList<String> getValues(String rawItem) throws ItemParseException {
29 57
 
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+        ArrayList<String> KVPairs = findKeyValuePairsInRawItemData(rawItem);
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+        ArrayList<String> values = new ArrayList<String>();
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+
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+        for (String pair : KVPairs) {
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+            String value = getValue(pair);
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+            if (value.equals("")) {
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+                throw new ItemParseException();
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+            } else {
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+                values.add(value);
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+            }
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+        }
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+        return values;
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+    }
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+
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+    public String toLowerCase(String test) {
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+        String[] lower = {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"};
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+        String[] upper = {"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"};
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+
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+        StringBuilder lowercase = new StringBuilder();
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+
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+        Pattern pattern = Pattern.compile(".");
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+        Matcher matcher = pattern.matcher(test);
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+
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+
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+        while (matcher.find()) {
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+            String character = (matcher.group());
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+            if (isUpper(character)) {
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+                int i = indexOf(upper, character);
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+                lowercase.append(lower[i]);
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+            } else {
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+                lowercase.append(character);
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+            }
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+        }
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+        return lowercase.toString();
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+    }
30 93
 
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-}
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+
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+    public boolean isUpper(String c) {
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+        Pattern pattern = Pattern.compile("[A-Z]");
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+        Matcher matcher = pattern.matcher(c);
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+        return matcher.find();
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+    }
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+
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+    public int indexOf(String[] array, String c) {
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+        for (int i = 0; i < array.length; i++) {
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+            if (array[i].equals(c)) {
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+                return i;
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+            }
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+        }
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+        return -1;
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+    }
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+
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+    public int findNumberOfErrors(String input) {
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+        ArrayList<String> rawData = parseRawDataIntoStringArray(input);
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+        ArrayList<String> badFormat = new ArrayList<String>();
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+
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+        for (String data : rawData) {
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+            try {
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+                Item item = parseStringIntoItem(data);
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+            } catch (ItemParseException e) {
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+                badFormat.add(data);
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+            }
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+        }
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+        return (badFormat.size());
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+    }
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+
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+
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+    public ArrayList<Item> findItems(String input) {
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+        ArrayList<String> rawData = parseRawDataIntoStringArray(input);
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+        ArrayList<Item> items = new ArrayList<Item>();
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+
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+        for (String data : rawData) {
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+            try {
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+                Item item = parseStringIntoItem(data);
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+                items.add(item);
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+            } catch (ItemParseException e) {
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+                e.printStackTrace();
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+            }
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+        }
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+        return items;
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+    }
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+
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+    public Map<Object, Integer> getUniqueNames(ArrayList<Item> items, String methodname) {
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+        try {
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+            Map<Object, Integer> uniqueNames = new HashMap<>();
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+
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+            for (Item item : items) {
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+                Class<?> e = item.getClass();
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+                Method method = e.getMethod(methodname);
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+                if (!uniqueNames.containsKey(method.invoke(item))) {
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+
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+                    uniqueNames.put(method.invoke(item), new Integer(1));
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+                } else {
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+                    int amount = uniqueNames.get(method.invoke(item));
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+                    amount = amount + 1;
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+                    uniqueNames.put(method.invoke(item), amount);
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+                }
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+            }
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+            return uniqueNames;
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+        } catch (Exception e) {
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+            e.printStackTrace();
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+        }
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+        return null;
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+    }
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+}

+ 13
- 5
src/main/java/io/zipcoder/Main.java Vedi File

@@ -2,18 +2,26 @@ package io.zipcoder;
2 2
 
3 3
 import org.apache.commons.io.IOUtils;
4 4
 
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+import java.util.ArrayList;
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+import java.util.HashMap;
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+import java.util.Map;
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+
5 9
 
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 public class Main {
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+    private static ItemParser itemParser = new ItemParser();
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+
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     public String readRawDataToString() throws Exception{
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         ClassLoader classLoader = getClass().getClassLoader();
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         String result = IOUtils.toString(classLoader.getResourceAsStream("RawData.txt"));
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         return result;
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     }
13 19
 
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-    public static void main(String[] args) throws Exception{
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+    public static void main(String[] args) throws Exception
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+    {
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         String output = (new Main()).readRawDataToString();
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-        System.out.println(output);
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-        // TODO: parse the data in output into items, and display to console.
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-    }
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-}
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+
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+        int errs = itemParser.findNumberOfErrors(output);
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+        ArrayList<Item> items = itemParser.findItems(output);
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+            }
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+        }

+ 26
- 11
src/test/java/io/zipcoder/ItemParserTest.java Vedi File

@@ -10,24 +10,24 @@ import static org.junit.Assert.*;
10 10
 
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 public class ItemParserTest {
12 12
 
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-    private String rawSingleItem =    "naMe:Milk;price:3.23;type:Food;expiration:1/25/2016##";
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+    private String rawSingleItem = "naMe:Milk;price:3.23;type:Food;expiration:1/25/2016##";
14 14
 
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     private String rawSingleItemIrregularSeperatorSample = "naMe:MiLK;price:3.23;type:Food^expiration:1/11/2016##";
16 16
 
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-    private String rawBrokenSingleItem =    "naMe:Milk;price:3.23;type:Food;expiration:1/25/2016##";
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+    private String rawBrokenSingleItem = "naMe:Milk;price:3.23;type;expiration:1/25/2016##";
18 18
 
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     private String rawMultipleItems = "naMe:Milk;price:3.23;type:Food;expiration:1/25/2016##"
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-                                      +"naME:BreaD;price:1.23;type:Food;expiration:1/02/2016##"
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-                                      +"NAMe:BrEAD;price:1.23;type:Food;expiration:2/25/2016##";
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+            + "naME:BreaD;price:1.23;type:Food;expiration:1/02/2016##"
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+            + "NAMe:BrEAD;price:1.23;type:Food;expiration:2/25/2016##";
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     private ItemParser itemParser;
23 23
 
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     @Before
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-    public void setUp(){
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+    public void setUp() {
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         itemParser = new ItemParser();
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     }
28 28
 
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     @Test
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-    public void parseRawDataIntoStringArrayTest(){
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+    public void parseRawDataIntoStringArrayTest() {
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         Integer expectedArraySize = 3;
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         ArrayList<String> items = itemParser.parseRawDataIntoStringArray(rawMultipleItems);
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         Integer actualArraySize = items.size();
@@ -35,28 +35,43 @@ public class ItemParserTest {
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     }
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     @Test
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-    public void parseStringIntoItemTest() throws ItemParseException{
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-        Item expected = new Item("milk", 3.23, "food","1/25/2016");
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+    public void parseStringIntoItemTest() throws ItemParseException {
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+        Item expected = new Item("milk", 3.23, "food", "1/25/2016");
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         Item actual = itemParser.parseStringIntoItem(rawSingleItem);
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         assertEquals(expected.toString(), actual.toString());
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     }
43 43
 
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     @Test(expected = ItemParseException.class)
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-    public void parseBrokenStringIntoItemTest() throws ItemParseException{
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+    public void parseBrokenStringIntoItemTest() throws ItemParseException {
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         itemParser.parseStringIntoItem(rawBrokenSingleItem);
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     }
48 48
 
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     @Test
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-    public void findKeyValuePairsInRawItemDataTest(){
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+    public void findKeyValuePairsInRawItemDataTest() {
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         Integer expected = 4;
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         Integer actual = itemParser.findKeyValuePairsInRawItemData(rawSingleItem).size();
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         assertEquals(expected, actual);
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     }
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     @Test
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-    public void findKeyValuePairsInRawItemDataTestIrregular(){
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+    public void findKeyValuePairsInRawItemDataTestIrregular() {
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         Integer expected = 4;
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         Integer actual = itemParser.findKeyValuePairsInRawItemData(rawSingleItemIrregularSeperatorSample).size();
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         assertEquals(expected, actual);
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     }
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+    @Test
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+    public void toLowerCaseTest() {
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+        String test = "MILK";
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+        String expect = "milk";
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+        String actual = itemParser.toLowerCase(test);
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+        Assert.assertEquals(expect, actual);
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+
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+
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+    }
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+
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+    @Test
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+    public void isUpperTest() {
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+        String test = "E";
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+        Assert.assertTrue(itemParser.isUpper(test));
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+    }
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 }