From ee61e79b8c842f0fa33a48fa0d099435f5b2c617 Mon Sep 17 00:00:00 2001
From: Junda Liu <junda@google.com>
Date: Wed, 17 Jun 2015 23:00:57 -0700
Subject: Add tests for CarrierConfig app.

These tests check that all asset XML files can be parsed into bundles
and that they use valid filter attributes.

Bug: b/21619172
Change-Id: I4242f77c3c7e8b0e2027bca164f7276b89bbcfb1
---
 .../android/carrierconfig/CarrierConfigTest.java   | 103 +++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 tests/src/com/android/carrierconfig/CarrierConfigTest.java

(limited to 'tests/src/com')

diff --git a/tests/src/com/android/carrierconfig/CarrierConfigTest.java b/tests/src/com/android/carrierconfig/CarrierConfigTest.java
new file mode 100644
index 0000000..5a29ea1
--- /dev/null
+++ b/tests/src/com/android/carrierconfig/CarrierConfigTest.java
@@ -0,0 +1,103 @@
+package com.android.carrierconfig;
+
+import android.content.Context;
+import android.content.res.AssetManager;
+import android.os.PersistableBundle;
+import android.service.carrier.CarrierIdentifier;
+import android.test.InstrumentationTestCase;
+import android.util.Log;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import junit.framework.AssertionFailedError;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+import org.xmlpull.v1.XmlPullParserFactory;
+
+public class CarrierConfigTest extends InstrumentationTestCase {
+
+    /**
+     * Iterate over all XML files in assets/ and ensure they parse without error.
+     */
+    public void testAllFilesParse() {
+        forEachConfigXml(new ParserChecker() {
+            public void check(XmlPullParser parser) throws XmlPullParserException, IOException {
+                PersistableBundle b = DefaultCarrierConfigService.readConfigFromXml(parser,
+                        new CarrierIdentifier("001", "001", "Test", "", "", ""));
+                assertNotNull("got null bundle", b);
+                assertTrue("got empty bundle", b.size() > 0);
+            }
+        });
+    }
+
+    /**
+     * Check that the config bundles in XML files have valid filter attributes.
+     * This checks the attribute names only.
+     */
+    public void testFilterValidAttributes() {
+        forEachConfigXml(new ParserChecker() {
+            public void check(XmlPullParser parser) throws XmlPullParserException, IOException {
+                int event;
+                while (((event = parser.next()) != XmlPullParser.END_DOCUMENT)) {
+                    if (event == XmlPullParser.START_TAG && "carrier_config".equals(parser.getName())) {
+                        for (int i = 0; i < parser.getAttributeCount(); ++i) {
+                            String attribute = parser.getAttributeName(i);
+                            switch (attribute) {
+                                case "mcc":
+                                case "mnc":
+                                case "gid1":
+                                case "gid2":
+                                case "spn":
+                                case "device":
+                                    break;
+                                default:
+                                    fail("Unknown attribute '" + attribute  + "'");
+                                    break;
+                            }
+                        }
+                    }
+                }
+            }
+        });
+    }
+
+    /**
+     * Utility for iterating over each XML document in the assets folder.
+     *
+     * This can be used with {@link #forEachConfigXml} to run checks on each XML document.
+     * {@link #check} should {@link #fail} if the test does not pass.
+     */
+    private interface ParserChecker {
+        void check(XmlPullParser parser) throws XmlPullParserException, IOException;
+    }
+
+    /**
+     * Utility for iterating over each XML document in the assets folder.
+     */
+    private void forEachConfigXml(ParserChecker checker) {
+        AssetManager assetMgr = getInstrumentation().getTargetContext().getAssets();
+        try {
+            String[] files = assetMgr.list("");
+            assertNotNull("failed to list files", files);
+            assertTrue("no files", files.length > 0);
+            for (String fileName : files) {
+                try {
+                    if (!fileName.startsWith("carrier_config_")) continue;
+
+                    XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
+                    XmlPullParser parser = factory.newPullParser();
+                    parser.setInput(assetMgr.open(fileName), "utf-8");
+
+                    checker.check(parser);
+
+                } catch (Throwable e) {
+                    throw new AssertionError("Problem in " + fileName + ": " + e.getMessage(), e);
+                }
+            }
+        } catch (IOException e) {
+            fail(e.toString());
+        }
+    }
+}
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