Tests for diff DataCollections

library/src/androidTest/java/io/techery/snapper/model/Company.java

@@ -0,0 +1,59 @@
+package io.techery.snapper.model;
+
+import java.nio.ByteBuffer;
+import java.util.List;
+
+public class Company implements Indexable {
+
+    int id;
+    String name;
+    List<User> users;
+
+    public Company(int id, String name, List<User> users) {
+        this.id = id;
+        this.name = name;
+        this.users = users;
+    }
+
+    @Override public byte[] index() {
+        return ByteBuffer.allocate(4).putInt(id).array();
+    }
+
+    @Override public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        Company company = (Company) o;
+
+        return id == company.id;
+
+    }
+
+    @Override public int hashCode() {
+        return id;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public List<User> getUsers() {
+        return users;
+    }
+
+    public void setUsers(List<User> users) {
+        this.users = users;
+    }
+}

library/src/androidTest/java/io/techery/snapper/model/User.java

@@ -19,6 +19,21 @@ public User(String userId, int age) {
         this.age = age;
     }
 
+    @Override public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        User user = (User) o;
+
+        if (userId != null ? !userId.equals(user.userId) : user.userId != null) return false;
+
+        return true;
+    }
+
+    @Override public int hashCode() {
+        return userId != null ? userId.hashCode() : 0;
+    }
+
     public String getUserId() {
         return userId;
     }

library/src/androidTest/java/io/techery/snapper/test/ManyCollectionsTest.java

@@ -0,0 +1,78 @@
+package io.techery.snapper.test;
+
+import android.support.test.runner.AndroidJUnit4;
+
+import com.innahema.collections.query.functions.Predicate;
+import com.innahema.collections.query.queriables.Queryable;
+
+import org.hamcrest.CoreMatchers;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.Collections;
+
+import io.techery.snapper.BaseTestCase;
+import io.techery.snapper.DataCollection;
+import io.techery.snapper.model.Company;
+import io.techery.snapper.model.User;
+import io.techery.snapper.view.IDataView;
+
+import static org.junit.Assert.assertThat;
+import static org.junit.matchers.JUnitMatchers.hasItem;
+
+@RunWith(AndroidJUnit4.class)
+public class ManyCollectionsTest extends BaseTestCase {
+
+    DataCollection<User> userStorage;
+    DataCollection<Company> companyStorage;
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Preconditions
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Before public void createCollectionAndFilter() {
+        userStorage = db.collection(User.class);
+        userStorage.insert(new User("10000"));
+        userStorage.insert(new User("100"));
+        userStorage.insert(new User("1"));
+        userStorage.insert(new User("10"));
+        userStorage.insert(new User("1000"));
+
+        companyStorage = db.collection(Company.class);
+        companyStorage.insert(new Company(1, "BigCo", Collections.singletonList(new User("100"))));
+        companyStorage.insert(new Company(2, "SmallCo", Collections.singletonList(new User("1"))));
+    }
+
+    @After public void releaseCollection() throws Exception {
+        userStorage.clear();
+        companyStorage.clear();
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Tests
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Test public void storageConsistency() {
+        assertThat(userStorage.view().build().toList().size(), CoreMatchers.is(5));
+        assertThat(companyStorage.view().build().toList().size(), CoreMatchers.is(2));
+    }
+
+    @Test public void modelEqualityFromDiffStorages() {
+        IDataView<Company> smallCoView = companyStorage.view().where(new Predicate<Company>() {
+            @Override public boolean apply(Company element) {
+                return element.getName().contains("SmallCo");
+            }
+        }).build();
+        IDataView<User> smallCoUserView = userStorage.view().where(new Predicate<User>() {
+            @Override public boolean apply(User element) {
+                return element.getUserId().equals("1");
+            }
+        }).build();
+        Company company = Queryable.from(smallCoView.toList()).first();
+        User user = Queryable.from(smallCoUserView.toList()).first();
+        assertThat(company.getUsers(), hasItem(user));
+    }
+
+}