Render themes: Android scoped storage, zip render theme, custom resource providers (#804)

vtm-tests/test/org/oscim/theme/ZipXmlThemeResourceProviderTest.java

@@ -0,0 +1,86 @@
+/*
+ * Copyright 2021 eddiemuc
+ * Copyright 2021 devemux86
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.oscim.theme;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.oscim.utils.IOUtils;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.List;
+import java.util.zip.ZipInputStream;
+
+public class ZipXmlThemeResourceProviderTest {
+
+    @Test
+    public void openZip() throws IOException {
+        ZipInputStream zis = new ZipInputStream(new BufferedInputStream(ZipXmlThemeResourceProviderTest.class.getResourceAsStream("/xmlthemetest.zip")));
+        Assert.assertNotNull(zis);
+
+        ZipXmlThemeResourceProvider zts = new ZipXmlThemeResourceProvider(zis);
+
+        // All files contained
+        Assert.assertNotNull(zts.createInputStream(null, "file:one.xml"));
+        Assert.assertNotNull(zts.createInputStream(null, "file:two.xml"));
+        Assert.assertNotNull(zts.createInputStream(null, "file:res/three.xml"));
+        Assert.assertNotNull(zts.createInputStream(null, "file:res/blue_star_1.svg"));
+        Assert.assertNotNull(zts.createInputStream(null, "file:res/test.txt"));
+        Assert.assertNotNull(zts.createInputStream(null, "file:res/sub/four.xml"));
+        Assert.assertNotNull(zts.createInputStream(null, "file:res/sub/blue_star_sub_1.svg"));
+        Assert.assertNotNull(zts.createInputStream(null, "file:res/sub/blue_star_sub_2.svg"));
+
+        //Relative Reference ok
+        Assert.assertNotNull(zts.createInputStream("", "file:res/sub/blue_star_sub_2.svg"));
+        Assert.assertNotNull(zts.createInputStream("res", "file:sub/blue_star_sub_2.svg"));
+        Assert.assertNotNull(zts.createInputStream("/", "file:res/sub/blue_star_sub_2.svg"));
+        Assert.assertNotNull(zts.createInputStream("/res", "file:sub/blue_star_sub_2.svg"));
+        Assert.assertNotNull(zts.createInputStream("res/", "file:/sub/blue_star_sub_2.svg"));
+
+        // Can get same files using various other formats
+        Assert.assertNotNull(zts.createInputStream(null, "res/sub/blue_star_sub_2.svg"));
+        Assert.assertNotNull(zts.createInputStream(null, "/res/sub/blue_star_sub_2.svg"));
+        Assert.assertNotNull(zts.createInputStream(null, "file:/res/sub/blue_star_sub_2.svg"));
+
+        // Dirs NOT contained!
+        Assert.assertNull(zts.createInputStream(null, "file:res/"));
+
+        Assert.assertEquals(8, zts.getCount());
+
+        List<String> xmlThemes = zts.getXmlThemes();
+        Assert.assertEquals(4, xmlThemes.size());
+        Assert.assertTrue(xmlThemes.contains("one.xml"));
+        Assert.assertTrue(xmlThemes.contains("two.xml"));
+        Assert.assertTrue(xmlThemes.contains("res/three.xml"));
+        Assert.assertTrue(xmlThemes.contains("res/sub/four.xml"));
+
+        BufferedReader reader = null;
+        try {
+            reader = new BufferedReader(new InputStreamReader(zts.createInputStream(null, "file:res/test.txt")));
+            String line = reader.readLine();
+            Assert.assertEquals(line, "This is a test");
+        } finally {
+            IOUtils.closeQuietly(reader);
+        }
+    }
+
+    @Test
+    public void openEmpty() throws IOException {
+        Assert.assertTrue(new ZipXmlThemeResourceProvider(null).getXmlThemes().isEmpty());
+    }
+}