test: add test for SrcDir combined with sourcepath when exactly one SrcDir exists

Co-authored-by: tomasbjerre <439571+tomasbjerre@users.noreply.github.com>

Author: Copilot

violations-lib/src/test/java/se/bjurr/violations/lib/FindbugsTest.java

@@ -117,6 +117,23 @@ public void testThatViolationsCanBeParsedFromSpotbugs() {
         .isEqualTo("20");
   }
 
+  @Test
+  public void testThatSrcDirIsCombinedWithSourcepathWhenExactlyOneSrcDir() {
+    final String rootFolder = getRootFolder();
+    final Set<Violation> actual =
+        violationsApi() //
+            .withPattern(".*/findbugs/spotbugs-one-srcdir\\.xml$") //
+            .inFolder(rootFolder) //
+            .findAll(FINDBUGS) //
+            .violations();
+
+    assertThat(actual) //
+        .hasSize(1);
+    final Violation violation0 = new ArrayList<>(actual).get(0);
+    assertThat(violation0.getFile()) //
+        .isEqualTo("/builds/my-project/module-a/src/main/java/com/example/Foo.java");
+  }
+
   @Test
   public void testThatViolationsCanBeParsedFromSpotbugs2() {
     final String rootFolder = getRootFolder();
@@ -133,6 +150,4 @@ public void testThatViolationsCanBeParsedFromSpotbugs2() {
     assertThat(violation0.getFile()) //
         .isEqualTo("se/bjurr/violations/lib/reports/ReportsFinder.java");
   }
-
 }
-

violations-lib/src/test/resources/findbugs/spotbugs-one-srcdir.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<BugCollection version="4.0.0" sequence="0" timestamp="1570255404454" analysisTimestamp="1570255404481" release="">
+  <Project projectName="module-a">
+    <SrcDir>/builds/my-project/module-a/src/main/java</SrcDir>
+  </Project>
+  <BugInstance type="MS_EXPOSE_REP" priority="1" rank="7" abbrev="MS" category="MALICIOUS_CODE">
+    <Class classname="com.example.Foo">
+      <SourceLine classname="com.example.Foo" start="1" end="50" sourcefile="Foo.java" sourcepath="com/example/Foo.java"/>
+    </Class>
+    <Method classname="com.example.Foo" name="getValues" signature="()[Ljava/lang/Object;" isStatic="false">
+      <SourceLine classname="com.example.Foo" start="42" end="42" sourcefile="Foo.java" sourcepath="com/example/Foo.java"/>
+    </Method>
+    <SourceLine classname="com.example.Foo" start="42" end="42" sourcefile="Foo.java" sourcepath="com/example/Foo.java"/>
+  </BugInstance>
+  <Errors errors="0" missingClasses="0"></Errors>
+  <FindBugsSummary timestamp="Wed, 12 Sep 2018 18:19:36 +0200" total_classes="1" referenced_classes="1" total_bugs="1" total_size="50" num_packages="1" java_version="1.8.0" vm_version="25.0" cpu_seconds="1.00" clock_seconds="1.00" peak_mbytes="100.00" alloc_mbytes="512.00" gc_seconds="0.01" priority_1="1">
+    <PackageStats package="com.example" total_bugs="1" total_types="1" total_size="50">
+      <ClassStats class="com.example.Foo" sourceFile="Foo.java" interface="false" size="50" bugs="1"/>
+    </PackageStats>
+  </FindBugsSummary>
+  <ClassFeatures></ClassFeatures>
+  <History></History>
+</BugCollection>