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How to use buildRevision method of org.assertj.core.util.diff.myers.MyersDiff class

Best Assertj code snippet using org.assertj.core.util.diff.myers.MyersDiff.buildRevision

Source:MyersDiff.java

...55    checkArgument(revised != null, "revised list must not be null");56    PathNode path;57    try {58      path = buildPath(original, revised);59      return buildRevision(path, original, revised);60    } catch (IllegalStateException e) {61      e.printStackTrace();62      return new Patch<>();63    }64  }65  /**66   * Computes the minimum diffpath that expresses de differences67   * between the original and revised sequences, according68   * to Gene Myers differencing algorithm.69   *70   * @param orig The original sequence.71   * @param rev The revised sequence.72   * @return A minimum {@link PathNode Path} across the differences graph.73   * @throws IllegalStateException if a diff path could not be found.74   */75  public PathNode buildPath(final List<T> orig, final List<T> rev) {76    checkArgument(orig != null, "original sequence is null");77    checkArgument(rev != null, "revised sequence is null");78    // these are local constants79    final int N = orig.size();80    final int M = rev.size();81    final int MAX = N + M + 1;82    final int size = 1 + 2 * MAX;83    final int middle = size / 2;84    final PathNode[] diagonal = new PathNode[size];85    diagonal[middle + 1] = new Snake(0, -1, null);86    for (int d = 0; d < MAX; d++) {87      for (int k = -d; k <= d; k += 2) {88        final int kmiddle = middle + k;89        final int kplus = kmiddle + 1;90        final int kminus = kmiddle - 1;91        PathNode prev;92        int i;93        if ((k == -d) || (k != d && diagonal[kminus].i < diagonal[kplus].i)) {94          i = diagonal[kplus].i;95          prev = diagonal[kplus];96        } else {97          i = diagonal[kminus].i + 1;98          prev = diagonal[kminus];99        }100        diagonal[kminus] = null; // no longer used101        int j = i - k;102        PathNode node = new DiffNode(i, j, prev);103        // orig and rev are zero-based104        // but the algorithm is one-based105        // that's why there's no +1 when indexing the sequences106        while (i < N && j < M && equals(orig.get(i), rev.get(j))) {107          i++;108          j++;109        }110        if (i > node.i) node = new Snake(i, j, node);111        diagonal[kmiddle] = node;112        if (i >= N && j >= M) return diagonal[kmiddle];113      }114      diagonal[middle + d - 1] = null;115    }116    // According to Myers, this cannot happen117    throw new IllegalStateException("could not find a diff path");118  }119  private boolean equals(T orig, T rev) {120    return equalizer.equals(orig, rev);121  }122  /**123   * Constructs a {@link Patch} from a difference path.124   *125   * @param path The path.126   * @param orig The original sequence.127   * @param rev The revised sequence.128   * @return A {@link Patch} script corresponding to the path.129   */130  public Patch<T> buildRevision(PathNode path, List<T> orig, List<T> rev) {131    checkArgument(path != null, "path is null");132    checkArgument(orig != null, "original sequence is null");133    checkArgument(rev != null, "revised sequence is null");134    Patch<T> patch = new Patch<>();135    if (path.isSnake())136      path = path.prev;137    while (path != null && path.prev != null && path.prev.j >= 0) {138      checkState(!path.isSnake(), "bad diffpath: found snake when looking for diff");139      int i = path.i;140      int j = path.j;141      path = path.prev;142      int ianchor = path.i;143      int janchor = path.j;144      Chunk<T> original = new Chunk<>(ianchor, copyOfRange(orig, ianchor, i));...

buildRevision

Using AI Code Generation

1import org.assertj.core.util.diff.myers.MyersDiff;2import org.assertj.core.util.diff.myers.Diff;3import org.assertj.core.util.diff.myers.Chunk;4import org.assertj.core.util.diff.myers.EditScript;5String s1 = "Hello";6String s2 = "Hello World";7Diff diff = MyersDiff.buildRevision(s1.toCharArray(), s2.toCharArray());8System.out.println("diff = " + diff);9EditScript script = diff.getScript();10System.out.println("script = " + script);11Chunk[] chunks = script.getChunks();12for (Chunk c : chunks) {13    System.out.println("c = " + c);14}15diff = MyersDiff{script=EditScript{chunks=[Chunk{originalStart=0, revisedStart=0, size=5}, Chunk{originalStart=5, revisedStart=5, size=1}]}}16script = EditScript{chunks=[Chunk{originalStart=0, revisedStart=0, size=5}, Chunk{originalStart=5, revisedStart=5, size=1}]}17c = Chunk{originalStart=0, revisedStart=0, size=5}18c = Chunk{originalStart=5, revisedStart=5, size=1}

buildRevision

Using AI Code Generation

1org.assertj.core.util.diff.myers.MyersDiff buildRevision = new org.assertj.core.util.diff.myers.MyersDiff().buildRevision("ABCDEF", "ABDFF");2System.out.println(buildRevision);3org.assertj.core.util.diff.myers.MyersDiff buildRevision = new org.assertj.core.util.diff.myers.MyersDiff().buildRevision("ABCDEF", "ABDFF");4System.out.println(buildRevision);5org.assertj.core.util.diff.myers.MyersDiff buildRevision = new org.assertj.core.util.diff.myers.MyersDiff().buildRevision("ABCDEF", "ABDFF");6System.out.println(buildRevision);7org.assertj.core.util.diff.myers.MyersDiff buildRevision = new org.assertj.core.util.diff.myers.MyersDiff().buildRevision("ABCDEF", "ABDFF");8System.out.println(buildRevision);9org.assertj.core.util.diff.myers.MyersDiff buildRevision = new org.assertj.core.util.diff.myers.MyersDiff().buildRevision("ABCDEF", "ABDFF");10System.out.println(buildRevision);11org.assertj.core.util.diff.myers.MyersDiff buildRevision = new org.assertj.core.util.diff.myers.MyersDiff().buildRevision("ABCDEF", "ABDFF");12System.out.println(buildRevision);13org.assertj.core.util.diff.myers.MyersDiff buildRevision = new org.assertj.core.util.diff.myers.MyersDiff().buildRevision("ABCDEF", "ABDFF");14System.out.println(buildRevision);15org.assertj.core.util.diff.myers.MyersDiff buildRevision = new org.assertj.core.util.diff.myers.MyersDiff().buildRevision("ABCDEF", "ABDFF");16System.out.println(buildRevision);

buildRevision

Using AI Code Generation

1import org.assertj.core.util.diff.myers.MyersDiff2import org.assertj.core.util.diff.myers.Revision3def myersDiff = new MyersDiff(a, b)4def revision = myersDiff.buildRevision()5assert revision.size() == 16assert revision.get(0).toString() == "DELETE: 2, c"7assert revision.get(0).getType() == Revision.Type.DELETE8assert revision.get(0).getStart() == 29assert revision.get(0).getEnd() == 310assert revision.get(0).getLines() == [c]11revision.each { item ->12}13def myersDiff = new MyersDiff(a, b)14def revision = myersDiff.buildRevision()15assert revision.size() == 116assert revision.get(0).toString() == "DELETE: 2, c"17assert revision.get(0).getType() == Revision.Type.DELETE18assert revision.get(0).getStart() == 219assert revision.get(0).getEnd() == 320assert revision.get(0).getLines() == [c]21revision.each { item ->22}23def myersDiff = new MyersDiff(a, b)24def revision = myersDiff.buildRevision()25assert revision.size() == 126assert revision.get(0).toString() == "DELETE: 2, c"27assert revision.get(0).getType() == Revision.Type.DELETE28assert revision.get(0).getStart() == 229assert revision.get(0).getEnd() == 330assert revision.get(0).getLines() == [c]31revision.each { item ->32}33def myersDiff = new MyersDiff(a, b)34def revision = myersDiff.buildRevision()35assert revision.size() == 136assert revision.get(0).toString() == "DELETE: 2, c"37assert revision.get(0).getType() == Revision.Type.DELETE38assert revision.get(0).getStart() == 2

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