#79 - Moved the PDF/UA test cases to JUnit tests.

At least confirm that the PDF/UA implementation doesn't throw unexpected exceptions.

openhtmltopdf-examples/src/test/java/com/openhtmltopdf/testcases/PdfUaTestcaseRunnerTest.java

@@ -0,0 +1,117 @@
+package com.openhtmltopdf.testcases;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+import org.apache.pdfbox.io.IOUtils;
+import org.junit.Test;
+
+import com.openhtmltopdf.pdfboxout.PdfRendererBuilder;
+
+/**
+ * Tests for PDF accessiblility (PDF/UA, WCAG, Section 508).
+ * These tests only test that the PDF/UA implementation doesn't crash.
+ * They additionally need confirming manually with the PDF Accessibility Checker (PAC).
+ * This free (but closed source) Windows software is available at:
+ *   https://www.access-for-all.ch/en/pdf-lab/pdf-accessibility-checker-pac.html
+ *
+ *  If you don't want to confirm all, please at least confirm the all-in-one testcase!
+ */
+public class PdfUaTestcaseRunnerTest {
+    private static void run(String testCase) throws Exception {
+
+        byte[] htmlBytes = null;
+        try (InputStream is = PdfUaTestcaseRunnerTest.class.getResourceAsStream("/testcases/pdfua/" + testCase + ".html")) {
+            htmlBytes = IOUtils.toByteArray(is);
+        }
+        String html = new String(htmlBytes, StandardCharsets.UTF_8);
+
+        Files.createDirectories(Paths.get("target/test/visual-tests/"));
+        if (!Files.exists(Paths.get("target/test/visual-tests/Karla-Bold.ttf"))) {
+            try (InputStream in = PdfUaTestcaseRunnerTest.class.getResourceAsStream("/visualtest/html/fonts/Karla-Bold.ttf")) {
+                Files.copy(in, Paths.get("target/test/visual-tests/Karla-Bold.ttf"));
+            }
+        }
+
+        Files.createDirectories(Paths.get("./target/pdfua-test-cases/"));
+        try (FileOutputStream os = new FileOutputStream("./target/pdfua-test-cases/" + testCase + ".pdf")) {
+            PdfRendererBuilder builder = new PdfRendererBuilder();
+            builder.useFastMode();
+            builder.testMode(true);
+            builder.usePdfUaAccessbility(true);
+            builder.useFont(new File("target/test/visual-tests/Karla-Bold.ttf"), "TestFont");
+            builder.withHtmlContent(html, PdfUaTestcaseRunnerTest.class.getResource("/testcases/pdfua/").toString());
+            builder.toStream(os);
+            builder.run();
+        }
+    }
+
+    @Test
+    public void testAllInOne() throws Exception {
+        run("all-in-one");
+    }
+
+    @Test
+    public void testSimplest() throws Exception {
+        run("simplest");
+    }
+
+    @Test
+    public void testSimple() throws Exception {
+        run("simple");
+    }
+
+    @Test
+    public void testLayersZIndex() throws Exception {
+        run("layers-z-index");
+    }
+
+    @Test
+    public void testTextOverTwoPages() throws Exception {
+        run("text-over-two-pages");
+    }
+
+    @Test
+    public void testImage() throws Exception {
+        run("image");
+    }
+
+    @Test
+    public void testImageOverTwoPages() throws Exception {
+        run("image-over-two-pages");
+    }
+
+    @Test
+    public void testRunning() throws Exception {
+        run("running");
+    }
+
+    @Test
+    public void testLists() throws Exception {
+        run("lists");
+    }
+
+    @Test
+    public void testBookmarks() throws Exception {
+        run("bookmarks");
+    }
+
+    @Test
+    public void testTables() throws Exception {
+        run("tables");
+    }
+
+    @Test
+    public void testOrdering() throws Exception {
+        run("ordering");
+    }
+
+    @Test
+    public void testLinks() throws Exception {
+        run("links");
+    }
+}