From 2e3c26f3e959fa2a72334158286ee207873443d2 Mon Sep 17 00:00:00 2001
From: urwa01 <raf.walravens@ksz-bcss.fgov.be>
Date: Wed, 13 May 2020 09:33:30 +0200
Subject: [PATCH] Fixes issue #53: do not fail when testDir does not exist

---
 .../maven/xspecMavenPlugin/XSpecRunner.java   | 16 +++++++--------
 .../xspecMavenPlugin/XSpecRunnerTest.java     | 20 ++++++++++++++++++-
 2 files changed, 27 insertions(+), 9 deletions(-)

diff --git a/src/main/java/io/xspec/maven/xspecMavenPlugin/XSpecRunner.java b/src/main/java/io/xspec/maven/xspecMavenPlugin/XSpecRunner.java
index 2102d33..25985fc 100644
--- a/src/main/java/io/xspec/maven/xspecMavenPlugin/XSpecRunner.java
+++ b/src/main/java/io/xspec/maven/xspecMavenPlugin/XSpecRunner.java
@@ -45,6 +45,7 @@
 import java.net.URISyntaxException;
 import java.nio.file.Path;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.Properties;
 import javax.xml.parsers.ParserConfigurationException;
@@ -92,6 +93,7 @@
 import io.xspec.maven.xspecMavenPlugin.utils.extenders.CatalogWriterExtender;
 import java.io.PrintStream;
 import java.util.Iterator;
+import java.util.stream.Collectors;
 import javax.xml.transform.ErrorListener;
 import net.sf.saxon.lib.TraceListener;
 import net.sf.saxon.s9api.XdmDestination;
@@ -827,17 +829,15 @@ private static Configuration getSaxonConfiguration() {
      * Package private to allow unit tests
      */
     List<File> findAllXSpecs() throws XSpecPluginException {
+        if (!options.testDir.exists()) {
+            return Collections.emptyList();
+        }
         FileFinder finder = new FileFinder(options.testDir, "**/*.xspec", options.excludes, getLog());
         final Path testPath = options.testDir.toPath();
         try {
-            List<Path> found = finder.search();
-            List<File> ret = new ArrayList<>(found.size());
-            found.stream().forEach((p) -> {
-                    File resolved = testPath.resolve(p).toFile();
-                    ret.add(resolved);
-                }
-            );
-            return ret;
+            return finder.search().stream()
+                    .map(p -> testPath.resolve(p).toFile())
+                    .collect(Collectors.toList());
         } catch(IOException ex) {
             throw new XSpecPluginException(ex);
         }
diff --git a/src/test/java/io/xspec/maven/xspecMavenPlugin/XSpecRunnerTest.java b/src/test/java/io/xspec/maven/xspecMavenPlugin/XSpecRunnerTest.java
index c3be59b..dcce9a1 100644
--- a/src/test/java/io/xspec/maven/xspecMavenPlugin/XSpecRunnerTest.java
+++ b/src/test/java/io/xspec/maven/xspecMavenPlugin/XSpecRunnerTest.java
@@ -131,7 +131,25 @@ public void findAllXSpecsTests() throws Exception {
         assertEquals("wrong number of XSpecFiles found", 1, xspecFiles.size());
         assertEquals("wrong file found", "xsl1.xspec", xspecFiles.get(0).getName());
     }
-    
+
+    @Test
+    public void findAllXSpecsTestsNonExistingDir() throws Exception {
+        RunnerOptions runnerOptions = new RunnerOptions(getProjectDirectory());
+        runnerOptions.testDir = new File(getTestDirectory(), "unexisting");
+        XSpecRunner runner = getNewRunner(new SaxonOptions(), runnerOptions);
+        List<File> xspecFiles = runner.findAllXSpecs();
+        assertEquals("wrong number of XSpecFiles found", 0, xspecFiles.size());
+    }
+
+    @Test
+    public void findAllXSpecsTestsDirWithoutXspecFiles() throws Exception {
+        RunnerOptions runnerOptions = new RunnerOptions(getProjectDirectory());
+        runnerOptions.testDir = new File(getTestDirectory(), "samples");
+        XSpecRunner runner = getNewRunner(new SaxonOptions(), runnerOptions);
+        List<File> xspecFiles = runner.findAllXSpecs();
+        assertEquals("wrong number of XSpecFiles found", 0, xspecFiles.size());
+    }
+
     private XSpecRunner getNewRunner(SaxonOptions saxonOptions, RunnerOptions runnerOptions) throws IllegalStateException, XSpecPluginException, MalformedURLException, URISyntaxException {
         XSpecRunner runner = new XSpecRunner(getLog(), getBaseDirectory());
         runner.setResources(