WifiShellCommand: Add unit tests

Adding the basic test infra and tests for some commands. As people
modify existing commands or add new ones, will write more unit tests.

Bug: 152875610
Test: atest com.android.server.wifi
Change-Id: I4cb8b05323a995455f9f87bcacc17673d811fcde

1 files changed, 399 insertions, 0 deletions

diff --git a/tests/wifitests/src/com/android/server/wifi/WifiShellCommandTest.java b/tests/wifitests/src/com/android/server/wifi/WifiShellCommandTest.java
new file mode 100644
index 000000000..a1897ded9
--- /dev/null
+++ b/tests/wifitests/src/com/android/server/wifi/WifiShellCommandTest.java
@@ -0,0 +1,399 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * 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.android.server.wifi;
+
+import static org.junit.Assert.assertFalse;
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.validateMockitoUsage;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.net.ConnectivityManager;
+import android.os.Binder;
+import android.os.Process;
+
+import androidx.test.filters.SmallTest;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.io.FileDescriptor;
+
+/**
+ * Unit tests for {@link com.android.server.wifi.WifiShellCommand}.
+ */
+@SmallTest
+public class WifiShellCommandTest extends WifiBaseTest {
+    private static final String TEST_PACKAGE = "com.android.test";
+
+    @Mock WifiInjector mWifiInjector;
+    @Mock ClientModeImpl mClientModeImpl;
+    @Mock WifiLockManager mWifiLockManager;
+    @Mock WifiNetworkSuggestionsManager mWifiNetworkSuggestionsManager;
+    @Mock WifiConfigManager mWifiConfigManager;
+    @Mock WifiNative mWifiNative;
+    @Mock HostapdHal mHostapdHal;
+    @Mock WifiCountryCode mWifiCountryCode;
+    @Mock WifiLastResortWatchdog mWifiLastResortWatchdog;
+    @Mock WifiServiceImpl mWifiService;
+    @Mock Context mContext;
+    @Mock ConnectivityManager mConnectivityManager;
+    @Mock WifiCarrierInfoManager mWifiCarrierInfoManager;
+
+    WifiShellCommand mWifiShellCommand;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+
+        when(mWifiInjector.getClientModeImpl()).thenReturn(mClientModeImpl);
+        when(mWifiInjector.getWifiLockManager()).thenReturn(mWifiLockManager);
+        when(mWifiInjector.getWifiNetworkSuggestionsManager())
+                .thenReturn(mWifiNetworkSuggestionsManager);
+        when(mWifiInjector.getWifiConfigManager()).thenReturn(mWifiConfigManager);
+        when(mWifiInjector.getHostapdHal()).thenReturn(mHostapdHal);
+        when(mWifiInjector.getWifiNative()).thenReturn(mWifiNative);
+        when(mWifiInjector.getWifiCountryCode()).thenReturn(mWifiCountryCode);
+        when(mWifiInjector.getWifiLastResortWatchdog()).thenReturn(mWifiLastResortWatchdog);
+        when(mWifiInjector.getWifiCarrierInfoManager()).thenReturn(mWifiCarrierInfoManager);
+
+        mWifiShellCommand = new WifiShellCommand(mWifiInjector, mWifiService, mContext);
+
+        // by default emulate shell uid.
+        BinderUtil.setUid(Process.SHELL_UID);
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        validateMockitoUsage();
+    }
+
+    @Test
+    public void testSetIpReachDisconnect() {
+        // not allowed for unrooted shell.
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"set-ipreach-disconnect", "enabled"});
+        verify(mClientModeImpl, never()).setIpReachabilityDisconnectEnabled(anyBoolean());
+        assertFalse(mWifiShellCommand.getErrPrintWriter().toString().isEmpty());
+
+        BinderUtil.setUid(Process.ROOT_UID);
+
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"set-ipreach-disconnect", "enabled"});
+        verify(mClientModeImpl).setIpReachabilityDisconnectEnabled(true);
+
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"set-ipreach-disconnect", "disabled"});
+        verify(mClientModeImpl).setIpReachabilityDisconnectEnabled(false);
+
+        // invalid arg
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"set-ipreach-disconnect", "yes"});
+        verifyNoMoreInteractions(mClientModeImpl);
+        assertFalse(mWifiShellCommand.getErrPrintWriter().toString().isEmpty());
+    }
+
+    @Test
+    public void testGetIpReachDisconnect() {
+        // not allowed for unrooted shell.
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"get-ipreach-disconnect"});
+        verify(mClientModeImpl, never()).getIpReachabilityDisconnectEnabled();
+        assertFalse(mWifiShellCommand.getErrPrintWriter().toString().isEmpty());
+
+        BinderUtil.setUid(Process.ROOT_UID);
+
+        when(mClientModeImpl.getIpReachabilityDisconnectEnabled()).thenReturn(true);
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"get-ipreach-disconnect"});
+        verify(mClientModeImpl).getIpReachabilityDisconnectEnabled();
+        mWifiShellCommand.getOutPrintWriter().toString().contains(
+                "IPREACH_DISCONNECT state is true");
+
+        when(mClientModeImpl.getIpReachabilityDisconnectEnabled()).thenReturn(false);
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"get-ipreach-disconnect"});
+        verify(mClientModeImpl, times(2)).getIpReachabilityDisconnectEnabled();
+        mWifiShellCommand.getOutPrintWriter().toString().contains(
+                "IPREACH_DISCONNECT state is false");
+    }
+
+    @Test
+    public void testSetPollRssiIntervalMsecs() {
+        // not allowed for unrooted shell.
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"set-poll-rssi-interval-msecs", "5"});
+        verify(mClientModeImpl, never()).setPollRssiIntervalMsecs(anyInt());
+        assertFalse(mWifiShellCommand.getErrPrintWriter().toString().isEmpty());
+
+        BinderUtil.setUid(Process.ROOT_UID);
+
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"set-poll-rssi-interval-msecs", "5"});
+        verify(mClientModeImpl).setPollRssiIntervalMsecs(5);
+
+        // invalid arg
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"set-poll-rssi-interval-msecs", "0"});
+        verifyNoMoreInteractions(mClientModeImpl);
+        assertFalse(mWifiShellCommand.getErrPrintWriter().toString().isEmpty());
+    }
+
+    @Test
+    public void testGetPollRssiIntervalMsecs() {
+        // not allowed for unrooted shell.
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"get-poll-rssi-interval-msecs"});
+        verify(mClientModeImpl, never()).getPollRssiIntervalMsecs();
+        assertFalse(mWifiShellCommand.getErrPrintWriter().toString().isEmpty());
+
+        BinderUtil.setUid(Process.ROOT_UID);
+
+        when(mClientModeImpl.getPollRssiIntervalMsecs()).thenReturn(5);
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"get-poll-rssi-interval-msecs"});
+        verify(mClientModeImpl).getPollRssiIntervalMsecs();
+        mWifiShellCommand.getOutPrintWriter().toString().contains(
+                "ClientModeImpl.mPollRssiIntervalMsecs = 5");
+    }
+
+    @Test
+    public void testForceHiPerfMode() {
+        // not allowed for unrooted shell.
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"force-hi-perf-mode", "enabled"});
+        verify(mWifiLockManager, never()).forceHiPerfMode(anyBoolean());
+        assertFalse(mWifiShellCommand.getErrPrintWriter().toString().isEmpty());
+
+        BinderUtil.setUid(Process.ROOT_UID);
+
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"force-hi-perf-mode", "enabled"});
+        verify(mWifiLockManager).forceHiPerfMode(true);
+
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"force-hi-perf-mode", "disabled"});
+        verify(mWifiLockManager).forceHiPerfMode(false);
+    }
+
+    @Test
+    public void testForceLowLatencyMode() {
+        // not allowed for unrooted shell.
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"force-low-latency-mode", "enabled"});
+        verify(mWifiLockManager, never()).forceLowLatencyMode(anyBoolean());
+        assertFalse(mWifiShellCommand.getErrPrintWriter().toString().isEmpty());
+
+        BinderUtil.setUid(Process.ROOT_UID);
+
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"force-low-latency-mode", "enabled"});
+        verify(mWifiLockManager).forceLowLatencyMode(true);
+
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"force-low-latency-mode", "disabled"});
+        verify(mWifiLockManager).forceLowLatencyMode(false);
+    }
+
+    @Test
+    public void testNetworkSuggestionsSetUserApproved() {
+        // not allowed for unrooted shell.
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"network-suggestions-set-user-approved", TEST_PACKAGE, "yes"});
+        verify(mWifiNetworkSuggestionsManager, never()).setHasUserApprovedForApp(
+                anyBoolean(), anyString());
+        assertFalse(mWifiShellCommand.getErrPrintWriter().toString().isEmpty());
+
+        BinderUtil.setUid(Process.ROOT_UID);
+
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"network-suggestions-set-user-approved", TEST_PACKAGE, "yes"});
+        verify(mWifiNetworkSuggestionsManager).setHasUserApprovedForApp(
+                true, TEST_PACKAGE);
+
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"network-suggestions-set-user-approved", TEST_PACKAGE, "no"});
+        verify(mWifiNetworkSuggestionsManager).setHasUserApprovedForApp(
+                false, TEST_PACKAGE);
+    }
+
+    @Test
+    public void testNetworkSuggestionsHasUserApproved() {
+        // not allowed for unrooted shell.
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"network-suggestions-has-user-approved", TEST_PACKAGE});
+        verify(mWifiNetworkSuggestionsManager, never()).hasUserApprovedForApp(anyString());
+        assertFalse(mWifiShellCommand.getErrPrintWriter().toString().isEmpty());
+
+        BinderUtil.setUid(Process.ROOT_UID);
+
+        when(mWifiNetworkSuggestionsManager.hasUserApprovedForApp(TEST_PACKAGE))
+                .thenReturn(true);
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"network-suggestions-has-user-approved", TEST_PACKAGE});
+        verify(mWifiNetworkSuggestionsManager).hasUserApprovedForApp(TEST_PACKAGE);
+        mWifiShellCommand.getOutPrintWriter().toString().contains("yes");
+
+        when(mWifiNetworkSuggestionsManager.hasUserApprovedForApp(TEST_PACKAGE))
+                .thenReturn(false);
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"network-suggestions-has-user-approved", TEST_PACKAGE});
+        verify(mWifiNetworkSuggestionsManager, times(2)).hasUserApprovedForApp(TEST_PACKAGE);
+        mWifiShellCommand.getOutPrintWriter().toString().contains("no");
+    }
+
+    @Test
+    public void testImsiProtectionExemptionsSetUserApproved() {
+        // not allowed for unrooted shell.
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"imsi-protection-exemption-set-user-approved-for-carrier", "5",
+                        "yes"});
+        verify(mWifiCarrierInfoManager, never()).setHasUserApprovedImsiPrivacyExemptionForCarrier(
+                anyBoolean(), anyInt());
+        assertFalse(mWifiShellCommand.getErrPrintWriter().toString().isEmpty());
+
+        BinderUtil.setUid(Process.ROOT_UID);
+
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"imsi-protection-exemption-set-user-approved-for-carrier", "5",
+                        "yes"});
+        verify(mWifiCarrierInfoManager).setHasUserApprovedImsiPrivacyExemptionForCarrier(
+                true, 5);
+
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"imsi-protection-exemption-set-user-approved-for-carrier", "5",
+                        "no"});
+        verify(mWifiCarrierInfoManager).setHasUserApprovedImsiPrivacyExemptionForCarrier(
+                false, 5);
+    }
+
+    @Test
+    public void testImsiProtectionExemptionsHasUserApproved() {
+        // not allowed for unrooted shell.
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"imsi-protection-exemption-has-user-approved-for-carrier", "5"});
+        verify(mWifiCarrierInfoManager, never()).hasUserApprovedImsiPrivacyExemptionForCarrier(
+                anyInt());
+        assertFalse(mWifiShellCommand.getErrPrintWriter().toString().isEmpty());
+
+        BinderUtil.setUid(Process.ROOT_UID);
+
+        when(mWifiCarrierInfoManager.hasUserApprovedImsiPrivacyExemptionForCarrier(5))
+                .thenReturn(true);
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"imsi-protection-exemption-has-user-approved-for-carrier", "5"});
+        verify(mWifiCarrierInfoManager).hasUserApprovedImsiPrivacyExemptionForCarrier(5);
+        mWifiShellCommand.getOutPrintWriter().toString().contains("yes");
+
+        when(mWifiCarrierInfoManager.hasUserApprovedImsiPrivacyExemptionForCarrier(5))
+                .thenReturn(false);
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"imsi-protection-exemption-has-user-approved-for-carrier", "5"});
+        verify(mWifiCarrierInfoManager, times(2)).hasUserApprovedImsiPrivacyExemptionForCarrier(5);
+        mWifiShellCommand.getOutPrintWriter().toString().contains("no");
+    }
+
+    @Test
+    public void testNetworkRequestsSetUserApproved() {
+        // not allowed for unrooted shell.
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"network-requests-set-user-approved", TEST_PACKAGE, "yes"});
+        verify(mClientModeImpl, never()).setNetworkRequestUserApprovedApp(
+                anyString(), anyBoolean());
+        assertFalse(mWifiShellCommand.getErrPrintWriter().toString().isEmpty());
+
+        BinderUtil.setUid(Process.ROOT_UID);
+
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"network-requests-set-user-approved", TEST_PACKAGE, "yes"});
+        verify(mClientModeImpl).setNetworkRequestUserApprovedApp(TEST_PACKAGE, true);
+
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"network-requests-set-user-approved", TEST_PACKAGE, "no"});
+        verify(mClientModeImpl).setNetworkRequestUserApprovedApp(TEST_PACKAGE, false);
+    }
+
+    @Test
+    public void testNetworkRequestsHasUserApproved() {
+        // not allowed for unrooted shell.
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"network-requests-has-user-approved", TEST_PACKAGE});
+        verify(mClientModeImpl, never()).hasNetworkRequestUserApprovedApp(anyString());
+        assertFalse(mWifiShellCommand.getErrPrintWriter().toString().isEmpty());
+
+        BinderUtil.setUid(Process.ROOT_UID);
+
+        when(mClientModeImpl.hasNetworkRequestUserApprovedApp(TEST_PACKAGE))
+                .thenReturn(true);
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"network-requests-has-user-approved", TEST_PACKAGE});
+        verify(mClientModeImpl).hasNetworkRequestUserApprovedApp(TEST_PACKAGE);
+        mWifiShellCommand.getOutPrintWriter().toString().contains("yes");
+
+        when(mClientModeImpl.hasNetworkRequestUserApprovedApp(TEST_PACKAGE))
+                .thenReturn(false);
+        mWifiShellCommand.exec(
+                new Binder(), new FileDescriptor(), new FileDescriptor(), new FileDescriptor(),
+                new String[]{"network-requests-has-user-approved", TEST_PACKAGE});
+        verify(mClientModeImpl, times(2)).hasNetworkRequestUserApprovedApp(TEST_PACKAGE);
+        mWifiShellCommand.getOutPrintWriter().toString().contains("no");
+    }
+}