xref: /external/robolectric-shadows/robolectric/src/test/java/org/robolectric/shadows/ShadowSharedPreferencesTest.java

package com.xtremelabs.robolectric.tester.android.content;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.junit.Assert.*;

import java.util.HashMap;
import java.util.Map;

import android.content.Context;
import android.content.SharedPreferences;

import com.xtremelabs.robolectric.WithTestDefaultsRunner;

/**
 * TestSharedPreferencesTest
 */
@RunWith(WithTestDefaultsRunner.class)
public class TestSharedPreferencesTest {
    protected final static String FILENAME = "filename";

    protected Map<String, Map<String, Object>> content;

    @Before
    public void setup() {
        content = new HashMap<String, Map<String, Object>>();
    }

    @Test
    public void testConstruction() {
        TestSharedPreferences preferences = new TestSharedPreferences(content,
                FILENAME, Context.MODE_PRIVATE);
        assertSame("content", content, preferences.content);
        assertEquals("filename", FILENAME, preferences.filename);
        assertEquals("mode", Context.MODE_PRIVATE, preferences.mode);
        assertTrue("content.filename", content.containsKey(FILENAME));
    }

    @Test
    public void testGetAll() {
        Map<String, Object> fileContent = new HashMap<String, Object>();
        fileContent.put("foo", "bar");
        content.put(FILENAME, fileContent);

        TestSharedPreferences preferences = new TestSharedPreferences(content,
                FILENAME, Context.MODE_PRIVATE);

        Map<String, ?> result = preferences.getAll();
        assertNotSame("result", fileContent, result);
        assertEquals("result", fileContent, result);
    }

    @Test
    public void testEditorCommit_ClearAndSet() {
        Map<String, Object> fileContent = new HashMap<String, Object>();
        fileContent.put("foo", "bar");
        content.put(FILENAME, fileContent);

        SharedPreferences.Editor editor = new TestSharedPreferences(content,
                FILENAME, Context.MODE_PRIVATE).edit();

        editor.clear();
        editor.putString("alpha", "beta");
        editor.commit();

        assertEquals("content.filename.foo", false, content.get(FILENAME)
                .containsKey("foo"));
        assertEquals("content.filename.alpha", "beta", content.get(FILENAME)
                .get("alpha"));
    }

    @Test
    public void testEditorCommit_RemoveAndSet() {
        Map<String, Object> fileContent = new HashMap<String, Object>();
        fileContent.put("foo", "bar");
        content.put(FILENAME, fileContent);

        SharedPreferences.Editor editor = new TestSharedPreferences(content,
                FILENAME, Context.MODE_PRIVATE).edit();

        editor.remove("foo");
        editor.putString("alpha", "beta");
        editor.commit();

        assertEquals("content.filename.foo", false, content.get(FILENAME)
                .containsKey("foo"));
        assertEquals("content.filename.alpha", "beta", content.get(FILENAME)
                .get("alpha"));
    }

    @Test
    public void testEditorCommit_RemoveAndReset() {
        Map<String, Object> fileContent = new HashMap<String, Object>();
        fileContent.put("foo", "bar");
        content.put(FILENAME, fileContent);

        SharedPreferences.Editor editor = new TestSharedPreferences(content,
                FILENAME, Context.MODE_PRIVATE).edit();

        editor.remove("foo");
        editor.putString("foo", "baz");
        editor.commit();

        assertEquals("content.filename.foo", "baz",
                content.get(FILENAME).get("foo"));
    }
}