1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.providers.contacts;
18
19import android.content.ContentValues;
20import android.content.Context;
21import android.database.Cursor;
22import android.util.Log;
23
24import junit.framework.Assert;
25
26import java.io.File;
27import java.io.FileOutputStream;
28import java.io.IOException;
29
30public class TestUtils {
31    private TestUtils() {
32    }
33
34    /** Convenient method to create a ContentValues */
35    public static ContentValues cv(Object... namesAndValues) {
36        Assert.assertTrue((namesAndValues.length % 2) == 0);
37
38        final ContentValues ret = new ContentValues();
39        for (int i = 1; i < namesAndValues.length; i += 2) {
40            final String name = namesAndValues[i - 1].toString();
41            final Object value =  namesAndValues[i];
42            if (value == null) {
43                ret.putNull(name);
44            } else if (value instanceof String) {
45                ret.put(name, (String) value);
46            } else if (value instanceof Integer) {
47                ret.put(name, (Integer) value);
48            } else if (value instanceof Long) {
49                ret.put(name, (Long) value);
50            } else {
51                Assert.fail("Unsupported type: " + value.getClass().getSimpleName());
52            }
53        }
54        return ret;
55    }
56
57    /**
58     * Writes the content of a cursor to the log.
59     */
60    public static final void dumpCursor(Cursor c) {
61        final String TAG = "contacts";
62
63        final StringBuilder sb = new StringBuilder();
64        for (int i = 0; i < c.getColumnCount(); i++) {
65            if (sb.length() > 0) sb.append("|");
66            sb.append(c.getColumnName(i));
67        }
68        Log.i(TAG, sb.toString());
69
70        c.moveToPosition(-1);
71        while (c.moveToNext()) {
72            sb.setLength(0);
73            for (int i = 0; i < c.getColumnCount(); i++) {
74                if (sb.length() > 0) sb.append("|");
75
76                if (c.getType(i) == Cursor.FIELD_TYPE_BLOB) {
77                    byte[] blob = c.getBlob(i);
78                    sb.append("([blob] ");
79                    sb.append(blob == null ? "null" : blob.length + "b");
80                    sb.append(")");
81                } else {
82                    sb.append(c.getString(i));
83                }
84            }
85            Log.i(TAG, sb.toString());
86        }
87    }
88
89    /**
90     * Writes an arbitrary byte array to the test apk's cache directory.
91     */
92    public static final String dumpToCacheDir(Context context, String prefix, String suffix,
93            byte[] data) {
94        try {
95            File file = File.createTempFile(prefix, suffix, context.getCacheDir());
96            FileOutputStream fos = new FileOutputStream(file);
97            fos.write(data);
98            fos.close();
99            return file.getAbsolutePath();
100        } catch (IOException e) {
101            return "[Failed to write to file: " + e.getMessage() + "]";
102        }
103    }
104}
105