id
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36
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1
1.25M
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@Override public Pair<F, S> next() { Entry entry = iterator.next(); return new Pair<F, S>((F) entry.first, (S) entry.second); }
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@Override public void remove() { iterator.remove(); }
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public Entry(F first, S second) { this.first = first; this.second = second; }
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@Override public int compareTo(Entry entry) { return this.first.compareTo(entry.first); }
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public Group(int id) { this.groupId = id; }
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public void add(Post post) { if (post != null) { postList.add(post); } }
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public boolean isFrequenciesGenerated() { return frequencyTable != null; }
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public void updateFrequencies() { //There should be more elegant way HashMap<Integer, Double> idxToFreq = new HashMap<Integer, Double>(); int gramsCount = 0; for (Post post: postList) { for (Integer gramId : post.getNGramIds()) { Double freq = idxToFreq.get(gramId); if (freq == null) { freq = 0d; } idxToFreq.put(gramId, ++freq); gramsCount++; } } frequencyTable = new SortedPairs<Double, Integer>(); for (Map.Entry<Integer, Double> entry : idxToFreq.entrySet()) { frequencyTable.add(entry.getValue() / gramsCount, entry.getKey()); } frequencyTable.sort(); }
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public Pair<Double, Integer> getFrequency(int index) { return frequencyTable != null ? frequencyTable.getPair(index) : null; }
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public String getThemeMessage(int frequentNGramCount) { if (frequencyTable == null) { updateFrequencies(); } StringBuilder builder = new StringBuilder(); if (frequentNGramCount > frequencyTable.size()) { frequentNGramCount = frequencyTable.size(); } for (int i = 1; i < frequentNGramCount + 1; i++) { Integer nGramId = frequencyTable.getPair(frequencyTable.size() - i).second; builder.append(Dictionary.getInstance().getNGramById(nGramId).getBase()).append(" "); } return builder.toString(); }
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public String getThemeMessage(double frequencyThreshold) { if (frequencyTable == null) { updateFrequencies(); } StringBuilder builder = new StringBuilder(); for (Pair<Double, Integer> pair : frequencyTable) { if (pair.first > frequencyThreshold) { Integer nGramId = pair.second; builder.append(Dictionary.getInstance().getNGramById(nGramId).getBase()).append(" "); } } return builder.toString(); }
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public int uniqueNGramsCount() { return frequencyTable != null ? frequencyTable.size() : 0; }
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public int size() { return postList.size(); }
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public boolean isEmpty() { return postList.isEmpty(); }
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public void setGroupId(int groupId) { this.groupId = groupId; }
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public int getGroupId() { return groupId; }
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@Override public Iterator<Post> iterator() { return new Iterator<Post>() { private Iterator<Post> groupIterator = postList.iterator(); @Override public boolean hasNext() { return groupIterator.hasNext(); } @Override public Post next() { return groupIterator.next(); } @Override public void remove() { throw new UnsupportedOperationException(); } }; }
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@Override public boolean hasNext() { return groupIterator.hasNext(); }
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@Override public Post next() { return groupIterator.next(); }
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@Override public void remove() { throw new UnsupportedOperationException(); }
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public GroupReader(Reader<Post> fileReader) { if (fileReader == null) { throw new IllegalArgumentException(); } this.fileReader = fileReader; }
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@Override public void open(String filename) throws FileNotFoundException{ this.filename = filename; this.fileReader.open(filename); }
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@Override public void close() { fileReader.close(); }
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@Override public Group next() { if (fileReader == null) { throw new UnsupportedOperationException(); } if (currentPost == null) { if (!hasNext()) { return null; } readNextEntry(); } Integer currentGroupId = currentPost.getGroupId(); Group group = new Group(currentGroupId); while (readNextEntry() != null && currentPost.getGroupId() == currentGroupId) { group.add(currentPost); } if (group.isEmpty()) { return null; } return group; }
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@Override public boolean hasNext() { return fileReader.hasNext(); }
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@Override public void remove() { throw new UnsupportedOperationException(); }
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private Post readNextEntry() { return currentPost = fileReader.next(); }
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public FileWriter(String outputFilename) throws FileNotFoundException { printStream = new PrintStream(new FileOutputStream(outputFilename)); }
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public void printMostFrequentlyNGrams(Group group, double threshold) { if (group.isEmpty()) { return; } print("Frequently used: "); print(group.getThemeMessage(threshold)); print("\n"); }
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public void printMostFrequentlyNGrams(Group group, int count) { if (group.isEmpty()) { return; } int nGramsCount = group.uniqueNGramsCount(); if (nGramsCount < count) { count = nGramsCount; } print("Frequently used: "); //TODO: replace with group.getThemeMessage(); for (int i = 1; i < count + 1; i++) { Pair<Double, Integer> pair = group.getFrequency(nGramsCount - i); print(Dictionary.getInstance().getNGramById(pair.second).getBase() + " "); } print("\n"); }
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public void printMostDistinctMessages(Group group, double frequencyThreshold) { if (group == null || group.isEmpty()) { return; } String themeMessage = group.getThemeMessage(frequencyThreshold); printMostDistinctMessages(group, themeMessage); }
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public void printMostDistinctMessages(Group group, int themeMessageLength) { if (group == null || group.isEmpty()) { return; } String themeMessage = group.getThemeMessage(themeMessageLength); printMostDistinctMessages(group, themeMessage); }
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private void printMostDistinctMessages(Group group, String themeMessage) { if (group == null || group.isEmpty() || themeMessage == null || themeMessage.isEmpty()) { return; } Iterator<Post> iterator = group.iterator(); while (iterator.hasNext()) { Post post = iterator.next(); Double difference = Dictionary.getInstance().compare(post.getMessage(), themeMessage); //TODO: magic number if (difference > 0.95) { println(String.format("%.2f\t%s", difference, post.getMessage())); } } println(SPACER); }
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public void close() { //TODO: implement close() }
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public void print(Object obj) { printStream.print(obj.toString()); }
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public void println(Object obj) { printStream.println(obj.toString()); }
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public Entry() { }
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void open(String filename) throws FileNotFoundException;
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void close();
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@Override public void open(String filename) throws FileNotFoundException { if (scanner == null) { this.filename = filename; this.scanner = new Scanner(new FileInputStream(this.filename), "UTF-8"); } }
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@Override public void close() { if (scanner != null) { scanner.close(); scanner = null; } }
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@Override public boolean hasNext() { if (scanner == null) { throw new IllegalStateException(); } return scanner.hasNext(); }
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@Override public void remove() { throw new UnsupportedOperationException(); }
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public static synchronized Dictionary getInstance() { if (instance == null) { instance = new Dictionary(); } return instance; }
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private Dictionary() { }
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public void build(Reader<Post> reader, String filename) throws FileNotFoundException { if (reader == null) { throw new IllegalArgumentException(); } nGramIdMap.clear(); indexMap.clear(); reader.open(filename); System.out.println("Building dictionary"); while (reader.hasNext()) { Post next = reader.next(); addString(next.getMessage()); System.out.print("\rgroup: " + next.getGroupId()); } reader.close(); //deleteHighProbabilities(0.0001); System.out.println("\nSaving dictionary to file"); save(DICTIONARY_FILENAME); System.out.println("Building done"); }
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public void save(String filename) { try { FileWriter writer = new FileWriter(filename); for (Entry entry : nGramIdMap.values()) { writer.println(entry.toString()); } writer.close(); } catch (FileNotFoundException exception) { System.out.println("Cannot load file for saving dictionary. Continue."); } }
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public void load(String filename) throws FileNotFoundException { nGramIdMap.clear(); indexMap.clear(); Reader<Entry> reader = new AbstractFileReader<Entry>() { @Override public Entry next() { scanner.useDelimiter("\\s+"); Integer id = scanner.nextInt(); Integer useCount = scanner.nextInt(); String base = scanner.next(); return new Entry(new NGram(base), id, useCount); } }; reader.open(filename); System.out.println("Loading dictionary"); while (reader.hasNext()) { Entry next = reader.next(); addNewEntry(next); readNGramCount += next.useCount; } reader.close(); System.out.println("Dictionary loaded"); }
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@Override public Entry next() { scanner.useDelimiter("\\s+"); Integer id = scanner.nextInt(); Integer useCount = scanner.nextInt(); String base = scanner.next(); return new Entry(new NGram(base), id, useCount); }
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public void load() throws FileNotFoundException{ load(DICTIONARY_FILENAME); }
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public void setNGramLength(int newLength) { if (newLength > 0) { nGramLength = newLength; } }
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public NGram getNGramById(Integer id) { Entry entry = nGramIdMap.get(id); if (entry != null) { return entry.nGram; } return null; }
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public Integer getId(NGram nGram) { //TODO: implement getId(); Maybe rename. return null; }
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public ArrayList<Integer> stringToIndexes(String string) { String normalizedString = normalizeString(string); ArrayList<String> bases = divideToNGramBases(normalizedString); ArrayList<Integer> indexes = new ArrayList<Integer>(); for (String base : bases) { Integer idx = indexMap.get(base); if (idx != null) { indexes.add(idx); } } return indexes; }
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public Double compare(String str1, String str2) { //TODO: Watch and check it out. if (str1 == null || str2 == null) { return null; } List<Integer> grams1 = stringToIndexes(str1); List<Integer> grams2 = stringToIndexes(str2); HashSet<Integer> set = new HashSet<Integer>(grams1); set.addAll(grams2); Iterator iterator = set.iterator(); int matches = 0; while (iterator.hasNext()) { Integer id = (Integer) iterator.next(); if (grams1.contains(id) && grams2.contains(id)) matches++; } int length = Math.min(grams1.size(), grams2.size()); return length != 0 ? ((double)length - (double)matches) / (double)length : new Double(1); }
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private void addString(String string) { String normalizedString = normalizeString(string); ArrayList<String> bases = divideToNGramBases(normalizedString); for (String base : bases) { add(new NGram(base)); } }
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private void add(NGram nGram) { Integer index = indexMap.get(nGram.getBase()); if (index == null) { Integer uniqueId = nGramIdMap.size(); // Will be always bigger than anyone from ids addNewEntry(new Entry(nGram, uniqueId)); } else { nGramIdMap.get(index).incrementUseCount(); } readNGramCount++; }
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private void addNewEntry(Entry entry) { //Maybe throw IllegalStateException if entry already exists? nGramIdMap.put(entry.id, entry); indexMap.put(entry.nGram.getBase(), entry.id); }
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private String normalizeString(String string) { return string.replaceAll(REGEX, " ").toLowerCase(); }
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private ArrayList<String> divideToNGramBases(String string) { String words[] = string.split(" "); ArrayList<String> bases = new ArrayList<String>(); for (String word : words) { if (word.length() < nGramLength) { //TODO: implement adding white spaces. (Algorithm) continue; } for (int i = 0; i < word.length() - (nGramLength - 1); i++) { bases.add(word.substring(i, i + nGramLength)); } } return bases; }
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public void deleteHighProbabilities(double threshold) { //TODO: make private Iterator<Entry> iterator = nGramIdMap.values().iterator(); //TODO: [debug] delete writing to file FileWriter writer = null;//extra try { writer = new FileWriter("smthg.csv");//extra } catch (FileNotFoundException e) { } int count = 0;//extra while (iterator.hasNext()) { Entry entry = iterator.next(); if ((double) entry.useCount / (double) readNGramCount > threshold) { writer.println((double) entry.useCount / (double) readNGramCount + " " + entry.nGram.getBase());//extra indexMap.remove(entry.nGram.getBase()); iterator.remove(); count++;//extra } } System.out.println("deleted: " + count);//extra }
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public void deleteLowProbabilities(double threshold) { //TODO: make private Iterator<Entry> iterator = nGramIdMap.values().iterator(); //TODO: [debug] delete counter int count = 0;//extra while (iterator.hasNext()) { Entry entry = iterator.next(); if ((double) entry.useCount / (double) readNGramCount < threshold) { indexMap.remove(entry.nGram.getBase()); iterator.remove(); count++;//extra } } System.out.println("deleted: " + count);//extra }
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public int findFreq(double thr1, double thr2 ) { //TODO: [debug] delete method Iterator<Entry> iterator = nGramIdMap.values().iterator(); int count = 0; while (iterator.hasNext()) { Entry entry = iterator.next(); double freq = (double) entry.useCount / (double) readNGramCount; if (freq < thr1 && freq > thr2) { count++; } } return count; }
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public Entry(NGram nGram, Integer id, int useCount) { this.nGram = nGram; this.id = id; this.useCount = useCount; }
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public Entry(NGram nGram, Integer id) { this(nGram, id, 1); }
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public void incrementUseCount() { useCount++; }
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@Override public String toString() { StringBuilder builder = new StringBuilder(); builder.append(id + "\t").append(useCount + "\t").append(nGram); return builder.toString(); }
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public Tempo(long dias, long horas, long minutos) { this.dias = dias; this.horas = horas; this.minutos = minutos; }
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public long getDias() { return dias; }
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public long getHoras() { return horas; }
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public long getMinutos() { return minutos; }
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@Override public String toString() { return dias+","+horas+":"+minutos; }
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public abstract boolean estaDentro(DateTime data);
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public JanelaTrabalho() { periodos = new HashSet<Periodo>(); }
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public JanelaTrabalho(int inicial, int finall) { this(); adicionarPeriodo(inicial, finall); }
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public Collection<Periodo> getPeriodos() { return this.periodos; }
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public void adicionarPeriodo(int inicial, int finall) { this.periodos.add(new Periodo(inicial, finall)); }
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@Override public boolean estaDentro(DateTime data) { if (data.getDayOfWeek() != DateTimeConstants.SATURDAY && data.getDayOfWeek() != DateTimeConstants.SUNDAY) { int h = data.getHourOfDay(); for (Periodo p : periodos) { if (h >= p.getInicial() && h < p.getFinall()) { return true; } } } return false; }
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public Periodo(int inicial, int finall) { this.inicial = inicial; this.finall = finall; }
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public int getInicial() { return inicial; }
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public int getFinall() { return finall; }
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@Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + getOuterType().hashCode(); result = prime * result + finall; result = prime * result + inicial; return result; }
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@Override public boolean equals(Object obj) { if (!(obj instanceof Periodo)) return false; Periodo p = (Periodo) obj; return ((this.finall == p.finall) && (this.inicial == p.inicial)); }
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private Janela getOuterType() { return JanelaTrabalho.this; }
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@Before public void montaObjetos() { janela = new JanelaTrabalho(); janela.adicionarPeriodo(8, 12); janela.adicionarPeriodo(14, 18); calc = new CalculadoraDeHoras(); }
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@Test public void cenarioIdeal() { inicial = new DateTime(2010, 07, 16, 8, 0, 0, 0); finall = new DateTime(2010, 07, 16, 18, 0, 0, 0); Tempo labor = calc.quantidadeDeHoras(inicial, finall, janela); assertEquals(8, labor.getHoras()); assertEquals(0, labor.getMinutos()); }
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@Test public void manhaQuebrada() { inicial = new DateTime(2010, 07, 16, 10, 30, 0, 0); finall = new DateTime(2010, 07, 16, 18, 0, 0, 0); Tempo labor = calc.quantidadeDeHoras(inicial, finall, janela); assertEquals(labor.getHoras(), 5); assertEquals(labor.getMinutos(), 30); }
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@Test public void tardeQuebrada() { inicial = new DateTime(2010, 07, 16, 14, 0, 0, 0); finall = new DateTime(2010, 07, 16, 17, 0, 0, 0); Tempo labor = calc.quantidadeDeHoras(inicial, finall, janela); assertEquals(labor.getHoras(), 3); assertEquals(labor.getMinutos(), 0); }
b2f313b3-126c-42e2-bce9-9b284d48fb33
@Test public void manhaETardeQuebrada() { inicial = new DateTime(2010, 07, 16, 9, 0, 0, 0); finall = new DateTime(2010, 07, 16, 17, 0, 0, 0); Tempo labor = calc.quantidadeDeHoras(inicial, finall, janela); assertEquals(labor.getHoras(), 6); assertEquals(labor.getMinutos(), 0); }
92d25a6b-6d70-4cb0-8e56-b6334d53f6fb
@Test public void finalDaManhaInicioDaTarde() { inicial = new DateTime(2010, 07, 16, 11, 50, 0, 0); finall = new DateTime(2010, 07, 16, 13, 55, 0, 0); Tempo labor = calc.quantidadeDeHoras(inicial, finall, janela); assertEquals(labor.getHoras(), 0); assertEquals(labor.getMinutos(), 10); }
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@Test public void finalDaTardeAposJanela() { inicial = new DateTime(2010, 07, 16, 14, 45, 0, 0); finall = new DateTime(2010, 07, 16, 18, 55, 0, 0); Tempo labor = calc.quantidadeDeHoras(inicial, finall, janela); assertEquals(labor.getHoras(), 3); assertEquals(labor.getMinutos(), 15); }
c8adb779-3a04-4598-b30b-1b871e812dff
@Test // 123 public void inicioDaTardeAposJanela() { inicial = new DateTime(2010, 07, 16, 13, 15, 0, 0); finall = new DateTime(2010, 07, 16, 18, 55, 0, 0); Tempo labor = calc.quantidadeDeHoras(inicial, finall, janela); assertEquals(labor.getHoras(), 4); assertEquals(labor.getMinutos(), 0); }
e83e5a00-3874-43c0-80d4-5d6a2836b05e
@Test public void cenarioIdealEntre2Dias() { inicial = new DateTime(2010, 07, 15, 8, 0, 0, 0); finall = new DateTime(2010, 07, 16, 18, 0, 0, 0); Tempo labor = calc.quantidadeDeHoras(inicial, finall, janela); assertEquals(labor.getHoras(), 16); assertEquals(labor.getMinutos(), 0); }
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@Test public void antesDaJanelaEntre2Dias() { inicial = new DateTime(2010, 07, 15, 7, 45, 0, 0); finall = new DateTime(2010, 07, 16, 18, 0, 0, 0); Tempo labor = calc.quantidadeDeHoras(inicial, finall, janela); assertEquals(labor.getHoras(), 16); assertEquals(labor.getMinutos(), 0); }
d624cddd-c71f-45f8-9bd6-9d699804bd72
@Test public void depoisDaJanelaEntre2Dias() { inicial = new DateTime(2010, 07, 15, 18, 45, 0, 0); finall = new DateTime(2010, 07, 16, 18, 0, 0, 0); Tempo labor = calc.quantidadeDeHoras(inicial, finall, janela); assertEquals(labor.getHoras(), 8); assertEquals(labor.getMinutos(), 0); }
6a3bd17f-7437-4c90-bb47-ee2c2f68262e
@Test public void entre2Dias() { inicial = new DateTime(2010, 07, 15, 11, 45, 0, 0); finall = new DateTime(2010, 07, 16, 14, 15, 0, 0); Tempo labor = calc.quantidadeDeHoras(inicial, finall, janela); assertEquals(labor.getHoras(), 8); assertEquals(labor.getMinutos(), 30); }
56f2a95f-198e-491f-a190-201dfad4c7e6
@Test public void entre5Dias() { inicial = new DateTime(2010, 07, 11, 11, 1, 0, 0); finall = new DateTime(2010, 07, 19, 14, 59, 0, 0); Tempo labor = calc.quantidadeDeHoras(inicial, finall, janela); assertEquals(1, labor.getDias()); assertEquals(20, labor.getHoras()); assertEquals(59, labor.getMinutos()); }
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@Test public void entre20Dias() { inicial = new DateTime(2010, 07, 1, 8, 0, 0, 0); finall = new DateTime(2010, 07, 21, 18, 0, 0, 0); Tempo labor = calc.quantidadeDeHoras(inicial, finall, janela); assertEquals(5, labor.getDias()); assertEquals(0, labor.getHoras()); assertEquals(0, labor.getMinutos()); }
b8166f58-240f-4e5d-83c6-b813c4baace9
@Test public void cenarioIdeal2() { inicial = new DateTime(2010, 7, 12, 17, 51, 0, 0); finall = new DateTime(2010, 7, 13, 11, 51, 0, 0); Tempo labor = calc.quantidadeDeHoras(inicial, finall, janela); assertEquals(4, labor.getHoras()); assertEquals(0, labor.getMinutos()); }
13d75d34-d480-4c62-88cd-0d11a39c3297
@Test public void cenarioIdeal3() { inicial = new DateTime(2010, 7, 12, 17, 50, 0, 0); finall = new DateTime(2010, 7, 13, 11, 51, 0, 0); Tempo labor = calc.quantidadeDeHoras(inicial, finall, janela); assertEquals(4, labor.getHoras()); assertEquals(1, labor.getMinutos()); }