Write tests for CSV exporter

app/src/androidTest/java/org/isoron/uhabits/unit/io/HabitsCSVExporterTest.java

@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker 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 General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.unit.io;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import org.isoron.uhabits.helpers.DatabaseHelper;
+import org.isoron.uhabits.io.HabitsCSVExporter;
+import org.isoron.uhabits.models.Habit;
+import org.isoron.uhabits.unit.models.HabitFixtures;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+import static junit.framework.Assert.assertTrue;
+
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class HabitsCSVExporterTest
+{
+    private File baseDir;
+
+    @Before
+    public void setup()
+    {
+        HabitFixtures.purgeHabits();
+        HabitFixtures.createNonDailyHabit();
+        HabitFixtures.createEmptyHabit();
+
+        Context targetContext = InstrumentationRegistry.getTargetContext();
+        baseDir = targetContext.getCacheDir();
+    }
+
+    private void unzip(File file) throws IOException
+    {
+        ZipFile zip = new ZipFile(file);
+        Enumeration<? extends ZipEntry> e = zip.entries();
+
+        while(e.hasMoreElements())
+        {
+            ZipEntry entry = e.nextElement();
+            InputStream stream = zip.getInputStream(entry);
+
+            String outputFilename = String.format("%s/%s", baseDir.getAbsolutePath(),
+                    entry.getName());
+            File outputFile = new File(outputFilename);
+
+            File parent = outputFile.getParentFile();
+            if(parent != null) parent.mkdirs();
+
+            DatabaseHelper.copy(stream, outputFile);
+        }
+
+        zip.close();
+    }
+
+    @Test
+    public void exportCSV() throws IOException
+    {
+        List<Habit> habits = Habit.getAll(true);
+
+        HabitsCSVExporter exporter = new HabitsCSVExporter(habits, baseDir);
+        String filename = exporter.writeArchive();
+        assertAbsolutePathExists(filename);
+
+        File archive = new File(filename);
+        unzip(archive);
+
+        assertPathExists("Habits.csv");
+        assertPathExists("001 Wake up early");
+        assertPathExists("001 Wake up early/Checkmarks.csv");
+        assertPathExists("001 Wake up early/Scores.csv");
+        assertPathExists("002 Meditate/Checkmarks.csv");
+        assertPathExists("002 Meditate/Scores.csv");
+    }
+
+    private void assertPathExists(String s)
+    {
+        assertAbsolutePathExists(String.format("%s/%s", baseDir.getAbsolutePath(), s));
+    }
+
+    private void assertAbsolutePathExists(String s)
+    {
+        File file = new File(s);
+        assertTrue(String.format("File %s should exist", file.getAbsolutePath()), file.exists());
+    }
+}

app/src/main/java/org/isoron/uhabits/io/HabitsCSVExporter.java

@@ -64,7 +64,7 @@ public class HabitsCSVExporter
 
         for(Habit h : habits)
         {
-            String habitDirName = String.format("%03d %s/", h.position, h.name);
+            String habitDirName = String.format("%03d %s/", h.position + 1, h.name);
             new File(exportDirName + habitDirName).mkdirs();
             generateDirs.add(habitDirName);