[
  {
    "task_id": "java-diff-utils_java-diff-utils-java-diff-utils-parent-4.16__85c3199_96f7fbd__GenerateUnifiedDiffTest_543acd06",
    "project_name": "java-diff-utils_java-diff-utils-java-diff-utils-parent-4.16",
    "git_clone_url": "https://github.com/java-diff-utils/java-diff-utils.git",
    "rev1": "85c31995703e1f855532ce7d8394784639e65352",
    "rev2": "96f7fbdebda3c1227ab1f0135d24ce3a372efca8",
    "rev1_date": "2020-08-04T05:27:41Z",
    "rev2_date": "2020-08-04T05:35:09Z",
    "git_diff_url": "https://github.com/java-diff-utils/java-diff-utils/compare/85c31995703e1f855532ce7d8394784639e65352...96f7fbdebda3c1227ab1f0135d24ce3a372efca8",
    "test_file": "java-diff-utils/src/test/java/com/github/difflib/GenerateUnifiedDiffTest.java",
    "test_changes": [
      {
        "change_id": "1_java-diff-utils_java-diff-utils-java-diff-utils-parent-4.16_85c3199_96f7fbd_GenerateUnifiedDiffTest",
        "test_sign": "com/github/difflib/GenerateUnifiedDiffTest.testNewFileCreation:()V",
        "class": "GenerateUnifiedDiffTest",
        "method": "testNewFileCreation",
        "module": "java-diff-utils",
        "junit_selector": "com.github.difflib.GenerateUnifiedDiffTest#testNewFileCreation",
        "old_test_code": "@Test\npublic void testNewFileCreation() {\n    List<String> original = new ArrayList<>();\n    List<String> revised = new ArrayList<>();\n    revised.add(\"line1\");\n    revised.add(\"line2\");\n    Patch<String> patch = DiffUtils.diff(original, revised);\n    List<String> udiff = UnifiedDiffUtils.generateUnifiedDiff(null, \"revised\", original, patch, 10);\n    assertEquals(\"--- \", udiff.get(0));\n    assertEquals(\"+++ revised\", udiff.get(1));\n    assertEquals(\"@@ -0,0 +1,2 @@\", udiff.get(2));\n    UnifiedDiffUtils.parseUnifiedDiff(udiff);\n}",
        "new_test_code": "@Test\npublic void testNewFileCreation() {\n    List<String> original = new ArrayList<>();\n    List<String> revised = new ArrayList<>();\n    revised.add(\"line1\");\n    revised.add(\"line2\");\n    Patch<String> patch = DiffUtils.diff(original, revised);\n    List<String> udiff = UnifiedDiffUtils.generateUnifiedDiff(null, \"revised\", original, patch, 10);\n    assertEquals(\"--- /dev/null\", udiff.get(0));\n    assertEquals(\"+++ revised\", udiff.get(1));\n    assertEquals(\"@@ -0,0 +1,2 @@\", udiff.get(2));\n    UnifiedDiffUtils.parseUnifiedDiff(udiff);\n}",
        "old_test_file_path": [
          "java-diff-utils/src/test/java/com/github/difflib/GenerateUnifiedDiffTest.java"
        ],
        "old_test_lnum": [
          "113-130"
        ],
        "new_test_lnum": [
          "113-130"
        ],
        "old_production_code": "public static List<String> generateUnifiedDiff(String originalFileName, String revisedFileName, List<String> originalLines, Patch<String> patch, int contextSize) {\n    if (!patch.getDeltas().isEmpty()) {\n        List<String> ret = new ArrayList<>();\n        ret.add(\"--- \" + Optional.ofNullable(originalFileName).orElse(\"\"));\n        ret.add(\"+++ \" + Optional.ofNullable(revisedFileName).orElse(\"\"));\n        List<AbstractDelta<String>> patchDeltas = new ArrayList<>(patch.getDeltas());\n        List<AbstractDelta<String>> deltas = new ArrayList<>();\n        AbstractDelta<String> delta = patchDeltas.get(0);\n        deltas.add(delta);\n        if (patchDeltas.size() > 1) {\n            for (int i = 1; i < patchDeltas.size(); i++) {\n                int position = delta.getSource().getPosition();\n                AbstractDelta<String> nextDelta = patchDeltas.get(i);\n                if ((position + delta.getSource().size() + contextSize) >= (nextDelta.getSource().getPosition() - contextSize)) {\n                    deltas.add(nextDelta);\n                } else {\n                    List<String> curBlock = processDeltas(originalLines, deltas, contextSize, false);\n                    ret.addAll(curBlock);\n                    deltas.clear();\n                    deltas.add(nextDelta);\n                }\n                delta = nextDelta;\n            }\n        }\n        List<String> curBlock = processDeltas(originalLines, deltas, contextSize, patchDeltas.size() == 1 && originalFileName == null);\n        ret.addAll(curBlock);\n        return ret;\n    }\n    return new ArrayList<>();\n}",
        "new_production_code": "public static List<String> generateUnifiedDiff(String originalFileName, String revisedFileName, List<String> originalLines, Patch<String> patch, int contextSize) {\n    if (!patch.getDeltas().isEmpty()) {\n        List<String> ret = new ArrayList<>();\n        ret.add(\"--- \" + Optional.ofNullable(originalFileName).orElse(NULL_FILE_INDICATOR));\n        ret.add(\"+++ \" + Optional.ofNullable(revisedFileName).orElse(NULL_FILE_INDICATOR));\n        List<AbstractDelta<String>> patchDeltas = new ArrayList<>(patch.getDeltas());\n        List<AbstractDelta<String>> deltas = new ArrayList<>();\n        AbstractDelta<String> delta = patchDeltas.get(0);\n        deltas.add(delta);\n        if (patchDeltas.size() > 1) {\n            for (int i = 1; i < patchDeltas.size(); i++) {\n                int position = delta.getSource().getPosition();\n                AbstractDelta<String> nextDelta = patchDeltas.get(i);\n                if ((position + delta.getSource().size() + contextSize) >= (nextDelta.getSource().getPosition() - contextSize)) {\n                    deltas.add(nextDelta);\n                } else {\n                    List<String> curBlock = processDeltas(originalLines, deltas, contextSize, false);\n                    ret.addAll(curBlock);\n                    deltas.clear();\n                    deltas.add(nextDelta);\n                }\n                delta = nextDelta;\n            }\n        }\n        List<String> curBlock = processDeltas(originalLines, deltas, contextSize, patchDeltas.size() == 1 && originalFileName == null);\n        ret.addAll(curBlock);\n        return ret;\n    }\n    return new ArrayList<>();\n}",
        "focal_file_path": "java-diff-utils/src/main/java/com/github/difflib/UnifiedDiffUtils.java",
        "focal_method_sign": "com/github/difflib/UnifiedDiffUtils.generateUnifiedDiff:(Ljava/lang/String;Ljava/lang/String;Ljava/util/List;Lcom/github/difflib/patch/Patch;I)Ljava/util/List",
        "focal_all_deps_scored": [
          {
            "dep_id": 0,
            "method_sign": "com/github/difflib/UnifiedDiffUtils.generateUnifiedDiff:(Ljava/lang/String;Ljava/lang/String;Ljava/util/List;Lcom/github/difflib/patch/Patch;I)Ljava/util/List",
            "file_path_old": "java-diff-utils/src/main/java/com/github/difflib/UnifiedDiffUtils.java",
            "line_nums_old": "141-198",
            "file_path_new": "java-diff-utils/src/main/java/com/github/difflib/UnifiedDiffUtils.java",
            "line_nums_new": "142-199",
            "dependency_updated": "updated",
            "score": null,
            "signal_scores": {}
          }
        ],
        "coverage_gold": 0.7407407407407407,
        "branch_coverage_gold": 15.3689,
        "method_coverage_gold": 16.0377,
        "line_coverage_gold": 22.2323,
        "is_traceback": false,
        "commit_gap": {
          "count": 1,
          "skipped_commits": [
            "d3524314eb9ca25e70b8ca1027f53367ab3892bb"
          ]
        },
        "test_is_refactoring_only": false,
        "has_test_dep_change": false,
        "all_deps_new": [
          "com/github/difflib/UnifiedDiffUtils.parseUnifiedDiff:(Ljava/util/List;)Lcom/github/difflib/patch/Patch",
          "com/github/difflib/DiffUtils.diff:(Ljava/util/List;Ljava/util/List;)Lcom/github/difflib/patch/Patch",
          "com/github/difflib/UnifiedDiffUtils.generateUnifiedDiff:(Ljava/lang/String;Ljava/lang/String;Ljava/util/List;Lcom/github/difflib/patch/Patch;I)Ljava/util/List"
        ],
        "all_deps_old": [
          "com/github/difflib/UnifiedDiffUtils.parseUnifiedDiff:(Ljava/util/List;)Lcom/github/difflib/patch/Patch",
          "com/github/difflib/DiffUtils.diff:(Ljava/util/List;Ljava/util/List;)Lcom/github/difflib/patch/Patch",
          "com/github/difflib/UnifiedDiffUtils.generateUnifiedDiff:(Ljava/lang/String;Ljava/lang/String;Ljava/util/List;Lcom/github/difflib/patch/Patch;I)Ljava/util/List"
        ],
        "deps_changes": [
          {
            "method_sign": "com/github/difflib/UnifiedDiffUtils.generateUnifiedDiff:(Ljava/lang/String;Ljava/lang/String;Ljava/util/List;Lcom/github/difflib/patch/Patch;I)Ljava/util/List",
            "change_type": "UPDATE",
            "file_path_old": "java-diff-utils/src/main/java/com/github/difflib/UnifiedDiffUtils.java",
            "file_path_new": "java-diff-utils/src/main/java/com/github/difflib/UnifiedDiffUtils.java",
            "source": "production",
            "is_test_dependency": false,
            "is_refactoring_only": false
          }
        ],
        "variant_result": {
          "old_on_old": "pass",
          "old_on_new": "fail",
          "new_on_old": "fail",
          "new_on_new": "pass"
        }
      }
    ],
    "version": "java-diff-utils-parent-4.16",
    "java_version": 8
  },
  {
    "task_id": "java-diff-utils_java-diff-utils-java-diff-utils-parent-4.16__923918a_ae23408__GenerateUnifiedDiffTest_543acd06",
    "project_name": "java-diff-utils_java-diff-utils-java-diff-utils-parent-4.16",
    "git_clone_url": "https://github.com/java-diff-utils/java-diff-utils.git",
    "rev1": "923918a53e3d1324503665586730895e4d9a1434",
    "rev2": "ae2340874806dfec3f8c7ac3637448362d675500",
    "rev1_date": "2020-02-23T22:16:39Z",
    "rev2_date": "2020-02-23T22:51:28Z",
    "git_diff_url": "https://github.com/java-diff-utils/java-diff-utils/compare/923918a53e3d1324503665586730895e4d9a1434...ae2340874806dfec3f8c7ac3637448362d675500",
    "test_file": "java-diff-utils/src/test/java/com/github/difflib/GenerateUnifiedDiffTest.java",
    "test_changes": [
      {
        "change_id": "4_java-diff-utils_java-diff-utils-java-diff-utils-parent-4.16_923918a_ae23408_GenerateUnifiedDiffTest",
        "test_sign": "com/github/difflib/GenerateUnifiedDiffTest.testNewFileCreation:()V",
        "class": "GenerateUnifiedDiffTest",
        "method": "testNewFileCreation",
        "module": "java-diff-utils",
        "junit_selector": "com.github.difflib.GenerateUnifiedDiffTest#testNewFileCreation",
        "old_test_code": "@Test\npublic void testNewFileCreation() throws DiffException {\n    List<String> original = new ArrayList<>();\n    List<String> revised = new ArrayList<>();\n    revised.add(\"line1\");\n    revised.add(\"line2\");\n    Patch<String> patch = DiffUtils.diff(original, revised);\n    List<String> udiff = UnifiedDiffUtils.generateUnifiedDiff(null, \"revised\", original, patch, 10);\n    assertEquals(\"--- null\", udiff.get(0));\n    assertEquals(\"+++ revised\", udiff.get(1));\n    assertEquals(\"@@ -0,0 +1,2 @@\", udiff.get(2));\n    UnifiedDiffUtils.parseUnifiedDiff(udiff);\n}",
        "new_test_code": "@Test\npublic void testNewFileCreation() throws DiffException {\n    List<String> original = new ArrayList<>();\n    List<String> revised = new ArrayList<>();\n    revised.add(\"line1\");\n    revised.add(\"line2\");\n    Patch<String> patch = DiffUtils.diff(original, revised);\n    List<String> udiff = UnifiedDiffUtils.generateUnifiedDiff(null, \"revised\", original, patch, 10);\n    assertEquals(\"--- \", udiff.get(0));\n    assertEquals(\"+++ revised\", udiff.get(1));\n    assertEquals(\"@@ -0,0 +1,2 @@\", udiff.get(2));\n    UnifiedDiffUtils.parseUnifiedDiff(udiff);\n}",
        "old_test_file_path": [
          "java-diff-utils/src/test/java/com/github/difflib/GenerateUnifiedDiffTest.java"
        ],
        "old_test_lnum": [
          "111-128"
        ],
        "new_test_lnum": [
          "111-128"
        ],
        "old_production_code": "public static List<String> generateUnifiedDiff(String originalFileName, String revisedFileName, List<String> originalLines, Patch<String> patch, int contextSize) {\n    if (!patch.getDeltas().isEmpty()) {\n        List<String> ret = new ArrayList<>();\n        ret.add(\"--- \" + originalFileName);\n        ret.add(\"+++ \" + revisedFileName);\n        List<AbstractDelta<String>> patchDeltas = new ArrayList<>(patch.getDeltas());\n        List<AbstractDelta<String>> deltas = new ArrayList<>();\n        AbstractDelta<String> delta = patchDeltas.get(0);\n        deltas.add(delta);\n        if (patchDeltas.size() > 1) {\n            for (int i = 1; i < patchDeltas.size(); i++) {\n                int position = delta.getSource().getPosition();\n                AbstractDelta<String> nextDelta = patchDeltas.get(i);\n                if ((position + delta.getSource().size() + contextSize) >= (nextDelta.getSource().getPosition() - contextSize)) {\n                    deltas.add(nextDelta);\n                } else {\n                    List<String> curBlock = processDeltas(originalLines, deltas, contextSize, false);\n                    ret.addAll(curBlock);\n                    deltas.clear();\n                    deltas.add(nextDelta);\n                }\n                delta = nextDelta;\n            }\n        }\n        List<String> curBlock = processDeltas(originalLines, deltas, contextSize, patchDeltas.size() == 1 && originalFileName == null);\n        ret.addAll(curBlock);\n        return ret;\n    }\n    return new ArrayList<>();\n}",
        "new_production_code": "public static List<String> generateUnifiedDiff(String originalFileName, String revisedFileName, List<String> originalLines, Patch<String> patch, int contextSize) {\n    if (!patch.getDeltas().isEmpty()) {\n        List<String> ret = new ArrayList<>();\n        ret.add(\"--- \" + Optional.ofNullable(originalFileName).orElse(\"\"));\n        ret.add(\"+++ \" + Optional.ofNullable(revisedFileName).orElse(\"\"));\n        List<AbstractDelta<String>> patchDeltas = new ArrayList<>(patch.getDeltas());\n        List<AbstractDelta<String>> deltas = new ArrayList<>();\n        AbstractDelta<String> delta = patchDeltas.get(0);\n        deltas.add(delta);\n        if (patchDeltas.size() > 1) {\n            for (int i = 1; i < patchDeltas.size(); i++) {\n                int position = delta.getSource().getPosition();\n                AbstractDelta<String> nextDelta = patchDeltas.get(i);\n                if ((position + delta.getSource().size() + contextSize) >= (nextDelta.getSource().getPosition() - contextSize)) {\n                    deltas.add(nextDelta);\n                } else {\n                    List<String> curBlock = processDeltas(originalLines, deltas, contextSize, false);\n                    ret.addAll(curBlock);\n                    deltas.clear();\n                    deltas.add(nextDelta);\n                }\n                delta = nextDelta;\n            }\n        }\n        List<String> curBlock = processDeltas(originalLines, deltas, contextSize, patchDeltas.size() == 1 && originalFileName == null);\n        ret.addAll(curBlock);\n        return ret;\n    }\n    return new ArrayList<>();\n}",
        "focal_file_path": "java-diff-utils/src/main/java/com/github/difflib/UnifiedDiffUtils.java",
        "focal_method_sign": "com/github/difflib/UnifiedDiffUtils.generateUnifiedDiff:(Ljava/lang/String;Ljava/lang/String;Ljava/util/List;Lcom/github/difflib/patch/Patch;I)Ljava/util/List",
        "focal_all_deps_scored": [
          {
            "dep_id": 0,
            "method_sign": "com/github/difflib/UnifiedDiffUtils.generateUnifiedDiff:(Ljava/lang/String;Ljava/lang/String;Ljava/util/List;Lcom/github/difflib/patch/Patch;I)Ljava/util/List",
            "file_path_old": "java-diff-utils/src/main/java/com/github/difflib/UnifiedDiffUtils.java",
            "line_nums_old": "128-185",
            "file_path_new": "java-diff-utils/src/main/java/com/github/difflib/UnifiedDiffUtils.java",
            "line_nums_new": "129-186",
            "dependency_updated": "updated",
            "score": null,
            "signal_scores": {}
          }
        ],
        "coverage_gold": 0.7407407407407407,
        "branch_coverage_gold": 15.7778,
        "method_coverage_gold": 16.2304,
        "line_coverage_gold": 21.8447,
        "is_traceback": false,
        "commit_gap": {
          "count": 0,
          "skipped_commits": []
        },
        "test_is_refactoring_only": false,
        "has_test_dep_change": false,
        "all_deps_new": [
          "com/github/difflib/DiffUtils.diff:(Ljava/util/List;Ljava/util/List;)Lcom/github/difflib/patch/Patch",
          "com/github/difflib/UnifiedDiffUtils.parseUnifiedDiff:(Ljava/util/List;)Lcom/github/difflib/patch/Patch",
          "com/github/difflib/UnifiedDiffUtils.generateUnifiedDiff:(Ljava/lang/String;Ljava/lang/String;Ljava/util/List;Lcom/github/difflib/patch/Patch;I)Ljava/util/List"
        ],
        "all_deps_old": [
          "com/github/difflib/DiffUtils.diff:(Ljava/util/List;Ljava/util/List;)Lcom/github/difflib/patch/Patch",
          "com/github/difflib/UnifiedDiffUtils.parseUnifiedDiff:(Ljava/util/List;)Lcom/github/difflib/patch/Patch",
          "com/github/difflib/UnifiedDiffUtils.generateUnifiedDiff:(Ljava/lang/String;Ljava/lang/String;Ljava/util/List;Lcom/github/difflib/patch/Patch;I)Ljava/util/List"
        ],
        "deps_changes": [
          {
            "method_sign": "com/github/difflib/UnifiedDiffUtils.generateUnifiedDiff:(Ljava/lang/String;Ljava/lang/String;Ljava/util/List;Lcom/github/difflib/patch/Patch;I)Ljava/util/List",
            "change_type": "UPDATE",
            "file_path_old": "java-diff-utils/src/main/java/com/github/difflib/UnifiedDiffUtils.java",
            "file_path_new": "java-diff-utils/src/main/java/com/github/difflib/UnifiedDiffUtils.java",
            "source": "production",
            "is_test_dependency": false,
            "is_refactoring_only": false
          }
        ],
        "variant_result": {
          "old_on_old": "pass",
          "old_on_new": "fail",
          "new_on_old": "fail",
          "new_on_new": "pass"
        }
      }
    ],
    "version": "java-diff-utils-parent-4.16",
    "java_version": 8
  }
]