com.jsonstore.CollectionClearTest.java Source code

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Here is the source code for com.jsonstore.CollectionClearTest.java

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/*
 *     Copyright 2016 IBM Corp.
 *     Licensed under the Apache License, Version 2.0 (the "License");
 *     you may not use this file except in compliance with the License.
 *     You may obtain a copy of the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 *     Unless required by applicable law or agreed to in writing, software
 *     distributed under the License is distributed on an "AS IS" BASIS,
 *     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *     See the License for the specific language governing permissions and
 *     limitations under the License.
 */

package com.jsonstore;

import android.content.Context;
import android.test.InstrumentationTestCase;

import com.jsonstore.api.JSONStore;
import com.jsonstore.api.JSONStoreCollection;
import com.jsonstore.database.SearchFieldType;
import com.jsonstore.exceptions.JSONStoreDatabaseClosedException;
import com.jsonstore.exceptions.JSONStoreException;

import org.json.JSONException;
import org.json.JSONObject;

import java.util.LinkedList;
import java.util.List;

public class CollectionClearTest extends InstrumentationTestCase {

    public CollectionClearTest() {
        super();
    }

    /**
     * @return The {@link Context} of the test project.
     */
    private Context getTestContext() {
        try {

            return getInstrumentation().getContext();
        } catch (final Exception exception) {
            exception.printStackTrace();
            return null;
        }
    }

    public void testClearSimple() throws JSONException, JSONStoreException {
        JSONStore store = JSONStore.getInstance(getTestContext());
        store.destroy();

        JSONStoreCollection simpleCol = new JSONStoreCollection("simple");
        simpleCol.setSearchField("win", SearchFieldType.INTEGER);

        //Open collection.
        List<JSONStoreCollection> collections = new LinkedList<JSONStoreCollection>();
        collections.add(simpleCol);
        store.openCollections(collections);

        simpleCol.addData(new JSONObject("{age: 50, fn:'Mike'}"));
        simpleCol.addData(new JSONObject("{age: 50, fn:'Nana'}"));
        simpleCol.addData(new JSONObject("{age: 51, fn:'Carlos'}"));

        assertEquals("Expected 3 documents in the collection", 3, simpleCol.countAllDocuments());

        simpleCol.clearCollection();

        assertEquals("Expected no documents after a clear", 0, simpleCol.countAllDocuments());

        store.destroy();

    }

    public void testClearSimpleDatabaseNotOpen() throws JSONException, JSONStoreException {
        JSONStore store = JSONStore.getInstance(getTestContext());
        store.destroy();

        JSONStoreCollection simpleCol = new JSONStoreCollection("simple");
        simpleCol.setSearchField("win", SearchFieldType.INTEGER);

        //Don't open. Try to cause an error

        try {
            simpleCol.clearCollection();
        } catch (JSONStoreDatabaseClosedException e) {
            store.destroy();
            return;
        }

        assertTrue("Expected a database closed exception to occur", false);
        store.destroy();

    }

    public void testClearOpenWithoutDocuments() throws JSONException, JSONStoreException {
        JSONStore store = JSONStore.getInstance(getTestContext());
        store.destroy();

        JSONStoreCollection simpleCol = new JSONStoreCollection("simple");
        simpleCol.setSearchField("win", SearchFieldType.INTEGER);

        //Open collection.
        List<JSONStoreCollection> collections = new LinkedList<JSONStoreCollection>();
        collections.add(simpleCol);
        store.openCollections(collections);

        assertEquals("Expected no documents in the collection", 0, simpleCol.countAllDocuments());

        simpleCol.clearCollection();

        assertEquals("Expected no documents after a clear", 0, simpleCol.countAllDocuments());

        store.destroy();

    }

}