Fix mibexsoftware#102 add renamed binary files and excluded file cases

pom.xml

@@ -123,6 +123,12 @@
         </dependency>
 
         <!-- Unit tests -->
+        <dependency>
+            <groupId>org.scalatest</groupId>
+            <artifactId>scalatest_2.11</artifactId>
+            <version>3.0.7</version>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>org.specs2</groupId>
             <artifactId>specs2_${scala.version}</artifactId>

src/main/scala/ch/mibex/bitbucket/sonar/diff/GitDiffParser.scala

@@ -24,6 +24,8 @@ object GitDiffParser extends RegexParsers {
 
   case class FileChange(oldFile: String, newFile: String)
 
+  case class ExcludePattern(pattern: String)
+
   sealed trait Diff
   case class BinaryDiff() extends Diff
   case class GitDiff(gitDiffHeader: FileChange, header: ExtendedDiffHeader, hunks: List[Hunk]) extends Diff {
@@ -57,10 +59,16 @@ object GitDiffParser extends RegexParsers {
 
   def readUpToNextDiffOrEnd = """(?s).+?(?=((?:diff --git)|$))\n?""".r
 
-  def binaryDiff: Parser[BinaryDiff] = gitDiffHeader ~ extendedDiffHeader ~ "GIT binary patch" ~ readUpToNextDiffOrEnd  ^^ {
+  def binaryDiff: Parser[BinaryDiff] = gitDiffHeader ~ extendedDiffHeader ~ (("GIT binary patch" ~ readUpToNextDiffOrEnd) | binaryFilesDiff | excludedFile)  ^^ {
     _ => BinaryDiff()
   }
 
+  def binaryFilesDiff: Parser[FileChange] = "Binary files " ~> ("""(?:a/)?""".r ~> binaryFilePath <~ " and ") ~ ("""(?:b/)?""".r ~> binaryFilePath <~ " differ") <~ nl ^^ {
+    case oldF ~ newF => FileChange(oldF, newF)
+  }
+
+  def excludedFile: Parser[ExcludePattern] = "File excluded by pattern " ~> """"(.+?)"""".r <~ nl ^^ { p => ExcludePattern(p) }
+
   def gitDiff: Parser[GitDiff] = gitDiffHeader ~ extendedDiffHeader ~ hunks ^^ {
     case fc ~ h ~ hs => GitDiff(fc, h, hs)
   }
@@ -103,6 +111,9 @@ object GitDiffParser extends RegexParsers {
 
   def filePath: Parser[String] = """.+?(?=(\sb/)|(\r?\n))""".r
 
+  // Match anything until " and " or " differ"
+  def binaryFilePath: Parser[String] = """.+?(?=(\sand\s)|(\sdiffer\r?\n))""".r
+
   def similarity: Parser[Int] = """\d{1,3}""".r ^^ { _.toInt }
 
   def hash: Parser[String] = """[0-9a-f]{7,}""".r

src/test/resources/diffs/diff-binary-files.txt

@@ -0,0 +1,5 @@
+diff --git a/solutions/_templates/hybrid-solution/mvn/login/assets/finantix-logo.png b/solutions/_templates/hybrid/mvn/login/assets/finantix-logo.png
+similarity index 100%
+rename from solutions/_templates/hybrid-solution/mvn/login/assets/finantix-logo.png
+rename to solutions/_templates/hybrid/mvn/login/assets/finantix-logo.png
+Binary files a/solutions/_templates/hybrid-solution/mvn/login/assets/finantix-logo.png and b/solutions/_templates/hybrid/mvn/login/assets/finantix-logo.png differ

src/test/resources/diffs/diff-excluded-file.txt

@@ -0,0 +1,3 @@
+diff --git a/ui/pnpm-lock.yaml b/ui/pnpm-lock.yaml
+index d1549e0..06b7b7d 100644
+File excluded by pattern "pnpm-lock.yaml"

src/test/scala/ch/mibex/bitbucket/sonar/diff/GitDiffParserTest.scala

@@ -0,0 +1,18 @@
+package ch.mibex.bitbucket.sonar.diff
+
+import org.scalatest.FunSuite
+
+class GitDiffParserTest extends FunSuite {
+  private def readFile(path: String) =
+    scala.io.Source.fromInputStream(getClass.getResourceAsStream(path)).mkString.replaceAll("\u0085", "")
+
+  test("The Binary files differ case should be correctly parsed") {
+    val response = GitDiffParser.parse(readFile("/diffs/diff-binary-files.txt"))
+    assert(response.isRight)
+  }
+
+  test("The File excluded by pattern case should be correctly parsed") {
+    val response = GitDiffParser.parse(readFile("/diffs/diff-excluded-file.txt"))
+    assert(response.isRight)
+  }
+}