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Commit 4d080de9 authored by Dave Mankoff's avatar Dave Mankoff Committed by Automerger Merge Worker
Browse files

Merge "Only restart SystemUI when Server Flags actually change." into... 

Merge "Only restart SystemUI when Server Flags actually change." into tm-qpr-dev am: d7c96949 am: cbc94295 am: 5f390581 am: 48044be3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21961694



Change-Id: Ic22c4a44858fdfa39385eab7276dc6cc7d762cce
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents ea60d1fc 48044be3

packages/SystemUI/src/com/android/systemui/flags/FeatureFlagsDebug.java

+28 −3
Original line number Diff line number Diff line
@@ -86,9 +86,34 @@ public class FeatureFlagsDebug implements FeatureFlags { 
    private final ServerFlagReader.ChangeListener mOnPropertiesChanged =

            new ServerFlagReader.ChangeListener() {

                @Override

                public void onChange(Flag<?> flag) {

                public void onChange(Flag<?> flag, String value) {

                    boolean shouldRestart = false;

                    if (mBooleanFlagCache.containsKey(flag.getName())) {

                        boolean newValue = value == null ? false : Boolean.parseBoolean(value);

                        if (mBooleanFlagCache.get(flag.getName()) != newValue) {

                            shouldRestart = true;

                        }

                    } else if (mStringFlagCache.containsKey(flag.getName())) {

                        String newValue = value == null ? "" : value;

                        if (mStringFlagCache.get(flag.getName()) != value) {

                            shouldRestart = true;

                        }

                    } else if (mIntFlagCache.containsKey(flag.getName())) {

                        int newValue = 0;

                        try {

                            newValue = value == null ? 0 : Integer.parseInt(value);

                        } catch (NumberFormatException e) {

                        }

                        if (mIntFlagCache.get(flag.getName()) != newValue) {

                            shouldRestart = true;

                        }

                    }

                    if (shouldRestart) {

                        mRestarter.restartSystemUI(

                            "Server flag change: " + flag.getNamespace() + "." + flag.getName());

                                "Server flag change: " + flag.getNamespace() + "."

                                        + flag.getName());



                    }

                }

            };

packages/SystemUI/src/com/android/systemui/flags/FeatureFlagsRelease.java

+84 −30
Original line number Diff line number Diff line
@@ -53,13 +53,38 @@ public class FeatureFlagsRelease implements FeatureFlags { 
    private final Map<String, Flag<?>> mAllFlags;

    private final Map<String, Boolean> mBooleanCache = new HashMap<>();

    private final Map<String, String> mStringCache = new HashMap<>();

    private final Map<String, Integer> mIntCache = new HashMap<>();



    private final ServerFlagReader.ChangeListener mOnPropertiesChanged =

            new ServerFlagReader.ChangeListener() {

                @Override

                public void onChange(Flag<?> flag) {

                public void onChange(Flag<?> flag, String value) {

                    boolean shouldRestart = false;

                    if (mBooleanCache.containsKey(flag.getName())) {

                        boolean newValue = value == null ? false : Boolean.parseBoolean(value);

                        if (mBooleanCache.get(flag.getName()) != newValue) {

                            shouldRestart = true;

                        }

                    } else if (mStringCache.containsKey(flag.getName())) {

                        String newValue = value == null ? "" : value;

                        if (mStringCache.get(flag.getName()) != newValue) {

                            shouldRestart = true;

                        }

                    } else if (mIntCache.containsKey(flag.getName())) {

                        int newValue = 0;

                        try {

                            newValue = value == null ? 0 : Integer.parseInt(value);

                        } catch (NumberFormatException e) {

                        }

                        if (mIntCache.get(flag.getName()) != newValue) {

                            shouldRestart = true;

                        }

                    }

                    if (shouldRestart) {

                        mRestarter.restartSystemUI(

                            "Server flag change: " + flag.getNamespace() + "." + flag.getName());

                                "Server flag change: " + flag.getNamespace() + "."

                                        + flag.getName());

                    }

                }

            };
@@ -97,68 +122,97 @@ public class FeatureFlagsRelease implements FeatureFlags { 


    @Override

    public boolean isEnabled(@NotNull ReleasedFlag flag) {

        return mServerFlagReader.readServerOverride(flag.getNamespace(), flag.getName(), true);

        // Fill the cache.

        return isEnabledInternal(flag.getName(),

                mServerFlagReader.readServerOverride(flag.getNamespace(), flag.getName(), true));

    }



    @Override

    public boolean isEnabled(ResourceBooleanFlag flag) {

        if (!mBooleanCache.containsKey(flag.getName())) {

            return isEnabled(flag.getName(), mResources.getBoolean(flag.getResourceId()));

        }



        return mBooleanCache.get(flag.getName());

        // Fill the cache.

        return isEnabledInternal(flag.getName(), mResources.getBoolean(flag.getResourceId()));

    }



    @Override

    public boolean isEnabled(SysPropBooleanFlag flag) {

        if (!mBooleanCache.containsKey(flag.getName())) {

            return isEnabled(

        // Fill the cache.

        return isEnabledInternal(

                flag.getName(),

                mSystemProperties.getBoolean(flag.getName(), flag.getDefault()));

    }



        return mBooleanCache.get(flag.getName());

    /**

     * Checks and fills the boolean cache. This is important, Always call through to this method!

     *

     * We use the cache as a way to decide if we need to restart the process when server-side

     * changes occur.

     */

    private boolean isEnabledInternal(String name, boolean defaultValue) {

        // Fill the cache.

        if (!mBooleanCache.containsKey(name)) {

            mBooleanCache.put(name, defaultValue);

        }



    private boolean isEnabled(String name, boolean defaultValue) {

        mBooleanCache.put(name, defaultValue);

        return defaultValue;

        return mBooleanCache.get(name);

    }



    @NonNull

    @Override

    public String getString(@NonNull StringFlag flag) {

        return getString(flag.getName(), flag.getDefault());

        // Fill the cache.

        return getStringInternal(flag.getName(), flag.getDefault());

    }



    @NonNull

    @Override

    public String getString(@NonNull ResourceStringFlag flag) {

        if (!mStringCache.containsKey(flag.getName())) {

            return getString(flag.getName(),

        // Fill the cache.

        return getStringInternal(flag.getName(),

                requireNonNull(mResources.getString(flag.getResourceId())));

    }



        return mStringCache.get(flag.getName());

    /**

     * Checks and fills the String cache. This is important, Always call through to this method!

     *

     * We use the cache as a way to decide if we need to restart the process when server-side

     * changes occur.

     */

    private String getStringInternal(String name, String defaultValue) {

        if (!mStringCache.containsKey(name)) {

            mStringCache.put(name, defaultValue);

        }



    private String getString(String name, String defaultValue) {

        mStringCache.put(name, defaultValue);

        return defaultValue;

        return mStringCache.get(name);

    }



    @NonNull

    @Override

    public int getInt(@NonNull IntFlag flag) {

        return flag.getDefault();

        // Fill the cache.

        return getIntInternal(flag.getName(), flag.getDefault());

    }



    @NonNull

    @Override

    public int getInt(@NonNull ResourceIntFlag flag) {

        // Fill the cache.

        return mResources.getInteger(flag.getResourceId());

    }



    /**

     * Checks and fills the integer cache. This is important, Always call through to this method!

     *

     * We use the cache as a way to decide if we need to restart the process when server-side

     * changes occur.

     */

    private int getIntInternal(String name, int defaultValue) {

        if (!mIntCache.containsKey(name)) {

            mIntCache.put(name, defaultValue);

        }



        return mIntCache.get(name);

    }



    @Override

    public void dump(@NonNull PrintWriter pw, @NonNull String[] args) {

        pw.println("can override: false");

packages/SystemUI/src/com/android/systemui/flags/ServerFlagReader.kt

+4 −3
Original line number Diff line number Diff line
@@ -37,7 +37,7 @@ interface ServerFlagReader { 
    fun listenForChanges(values: Collection<Flag<*>>, listener: ChangeListener)



    interface ChangeListener {

        fun onChange(flag: Flag<*>)

        fun onChange(flag: Flag<*>, value: String?)

    }

}
@@ -67,7 +67,7 @@ class ServerFlagReaderImpl @Inject constructor( 
                propLoop@ for (propName in properties.keyset) {

                    for (flag in flags) {

                        if (propName == flag.name) {

                            listener.onChange(flag)

                            listener.onChange(flag, properties.getString(propName, null))

                            break@propLoop

                        }

                    }
@@ -144,7 +144,7 @@ class ServerFlagReaderFake : ServerFlagReader { 
        for ((listener, flags) in listeners) {

            flagLoop@ for (flag in flags) {

                if (name == flag.name) {

                    listener.onChange(flag)

                    listener.onChange(flag, if (value) "true" else "false")

                    break@flagLoop

                }

            }
@@ -159,5 +159,6 @@ class ServerFlagReaderFake : ServerFlagReader { 
        flags: Collection<Flag<*>>,

        listener: ServerFlagReader.ChangeListener

    ) {

        listeners.add(Pair(listener, flags))

    }

}

packages/SystemUI/tests/src/com/android/systemui/flags/FeatureFlagsDebugTest.kt

+82 −55
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ import org.mockito.Mock 
import org.mockito.Mockito.anyBoolean

import org.mockito.Mockito.anyString

import org.mockito.Mockito.inOrder

import org.mockito.Mockito.never

import org.mockito.Mockito.times

import org.mockito.Mockito.verify

import org.mockito.Mockito.verifyNoMoreInteractions
@@ -53,7 +54,7 @@ import org.mockito.Mockito.`when` as whenever 
 */

@SmallTest

class FeatureFlagsDebugTest : SysuiTestCase() {

    private lateinit var mFeatureFlagsDebug: FeatureFlagsDebug

    private lateinit var featureFlagsDebug: FeatureFlagsDebug



    @Mock

    private lateinit var flagManager: FlagManager
@@ -85,7 +86,7 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
        flagMap.put(Flags.TEAMFOOD.name, Flags.TEAMFOOD)

        flagMap.put(teamfoodableFlagA.name, teamfoodableFlagA)

        flagMap.put(teamfoodableFlagB.name, teamfoodableFlagB)

        mFeatureFlagsDebug = FeatureFlagsDebug(

        featureFlagsDebug = FeatureFlagsDebug(

            flagManager,

            mockContext,

            globalSettings,
@@ -95,7 +96,7 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
            flagMap,

            restarter

        )

        mFeatureFlagsDebug.init()

        featureFlagsDebug.init()

        verify(flagManager).onSettingsChangedAction = any()

        broadcastReceiver = withArgCaptor {

            verify(mockContext).registerReceiver(
@@ -116,7 +117,7 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
        whenever(flagManager.readFlagValue<Boolean>(eq("4"), any())).thenReturn(false)



        assertThat(

            mFeatureFlagsDebug.isEnabled(

            featureFlagsDebug.isEnabled(

                ReleasedFlag(

                    2,

                    name = "2",
@@ -125,7 +126,7 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
            )

        ).isTrue()

        assertThat(

            mFeatureFlagsDebug.isEnabled(

            featureFlagsDebug.isEnabled(

                UnreleasedFlag(

                    3,

                    name = "3",
@@ -134,7 +135,7 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
            )

        ).isTrue()

        assertThat(

            mFeatureFlagsDebug.isEnabled(

            featureFlagsDebug.isEnabled(

                ReleasedFlag(

                    4,

                    name = "4",
@@ -143,7 +144,7 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
            )

        ).isFalse()

        assertThat(

            mFeatureFlagsDebug.isEnabled(

            featureFlagsDebug.isEnabled(

                UnreleasedFlag(

                    5,

                    name = "5",
@@ -157,8 +158,8 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
    fun teamFoodFlag_False() {

        whenever(flagManager.readFlagValue<Boolean>(

            eq(Flags.TEAMFOOD.name), any())).thenReturn(false)

        assertThat(mFeatureFlagsDebug.isEnabled(teamfoodableFlagA)).isFalse()

        assertThat(mFeatureFlagsDebug.isEnabled(teamfoodableFlagB)).isTrue()

        assertThat(featureFlagsDebug.isEnabled(teamfoodableFlagA)).isFalse()

        assertThat(featureFlagsDebug.isEnabled(teamfoodableFlagB)).isTrue()



        // Regular boolean flags should still test the same.

        // Only our teamfoodableFlag should change.
@@ -169,8 +170,8 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
    fun teamFoodFlag_True() {

        whenever(flagManager.readFlagValue<Boolean>(

            eq(Flags.TEAMFOOD.name), any())).thenReturn(true)

        assertThat(mFeatureFlagsDebug.isEnabled(teamfoodableFlagA)).isTrue()

        assertThat(mFeatureFlagsDebug.isEnabled(teamfoodableFlagB)).isTrue()

        assertThat(featureFlagsDebug.isEnabled(teamfoodableFlagA)).isTrue()

        assertThat(featureFlagsDebug.isEnabled(teamfoodableFlagB)).isTrue()



        // Regular boolean flags should still test the same.

        // Only our teamfoodableFlag should change.
@@ -185,8 +186,8 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
            .thenReturn(false)

        whenever(flagManager.readFlagValue<Boolean>(

            eq(Flags.TEAMFOOD.name), any())).thenReturn(true)

        assertThat(mFeatureFlagsDebug.isEnabled(teamfoodableFlagA)).isTrue()

        assertThat(mFeatureFlagsDebug.isEnabled(teamfoodableFlagB)).isFalse()

        assertThat(featureFlagsDebug.isEnabled(teamfoodableFlagA)).isTrue()

        assertThat(featureFlagsDebug.isEnabled(teamfoodableFlagB)).isFalse()



        // Regular boolean flags should still test the same.

        // Only our teamfoodableFlag should change.
@@ -205,7 +206,7 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
        whenever(flagManager.readFlagValue<Boolean>(eq("5"), any())).thenReturn(false)



        assertThat(

            mFeatureFlagsDebug.isEnabled(

            featureFlagsDebug.isEnabled(

                ResourceBooleanFlag(

                    1,

                    "1",
@@ -214,16 +215,16 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
                )

            )

        ).isFalse()

        assertThat(mFeatureFlagsDebug.isEnabled(ResourceBooleanFlag(2, "2", "test", 1002))).isTrue()

        assertThat(mFeatureFlagsDebug.isEnabled(ResourceBooleanFlag(3, "3", "test", 1003))).isTrue()

        assertThat(featureFlagsDebug.isEnabled(ResourceBooleanFlag(2, "2", "test", 1002))).isTrue()

        assertThat(featureFlagsDebug.isEnabled(ResourceBooleanFlag(3, "3", "test", 1003))).isTrue()



        Assert.assertThrows(NameNotFoundException::class.java) {

            mFeatureFlagsDebug.isEnabled(ResourceBooleanFlag(4, "4", "test", 1004))

            featureFlagsDebug.isEnabled(ResourceBooleanFlag(4, "4", "test", 1004))

        }

        // Test that resource is loaded (and validated) even when the setting is set.

        //  This prevents developers from not noticing when they reference an invalid resource.

        Assert.assertThrows(NameNotFoundException::class.java) {

            mFeatureFlagsDebug.isEnabled(ResourceBooleanFlag(5, "5", "test", 1005))

            featureFlagsDebug.isEnabled(ResourceBooleanFlag(5, "5", "test", 1005))

        }

    }
@@ -236,11 +237,11 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
            return@thenAnswer it.getArgument(1)

        }



        assertThat(mFeatureFlagsDebug.isEnabled(SysPropBooleanFlag(1, "a", "test"))).isFalse()

        assertThat(mFeatureFlagsDebug.isEnabled(SysPropBooleanFlag(2, "b", "test"))).isTrue()

        assertThat(mFeatureFlagsDebug.isEnabled(SysPropBooleanFlag(3, "c", "test", true))).isTrue()

        assertThat(featureFlagsDebug.isEnabled(SysPropBooleanFlag(1, "a", "test"))).isFalse()

        assertThat(featureFlagsDebug.isEnabled(SysPropBooleanFlag(2, "b", "test"))).isTrue()

        assertThat(featureFlagsDebug.isEnabled(SysPropBooleanFlag(3, "c", "test", true))).isTrue()

        assertThat(

            mFeatureFlagsDebug.isEnabled(

            featureFlagsDebug.isEnabled(

                SysPropBooleanFlag(

                    4,

                    "d",
@@ -249,17 +250,17 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
                )

            )

        ).isFalse()

        assertThat(mFeatureFlagsDebug.isEnabled(SysPropBooleanFlag(5, "e", "test"))).isFalse()

        assertThat(featureFlagsDebug.isEnabled(SysPropBooleanFlag(5, "e", "test"))).isFalse()

    }



    @Test

    fun readStringFlag() {

        whenever(flagManager.readFlagValue<String>(eq("3"), any())).thenReturn("foo")

        whenever(flagManager.readFlagValue<String>(eq("4"), any())).thenReturn("bar")

        assertThat(mFeatureFlagsDebug.getString(StringFlag(1, "1", "test", "biz"))).isEqualTo("biz")

        assertThat(mFeatureFlagsDebug.getString(StringFlag(2, "2", "test", "baz"))).isEqualTo("baz")

        assertThat(mFeatureFlagsDebug.getString(StringFlag(3, "3", "test", "buz"))).isEqualTo("foo")

        assertThat(mFeatureFlagsDebug.getString(StringFlag(4, "4", "test", "buz"))).isEqualTo("bar")

        assertThat(featureFlagsDebug.getString(StringFlag(1, "1", "test", "biz"))).isEqualTo("biz")

        assertThat(featureFlagsDebug.getString(StringFlag(2, "2", "test", "baz"))).isEqualTo("baz")

        assertThat(featureFlagsDebug.getString(StringFlag(3, "3", "test", "buz"))).isEqualTo("foo")

        assertThat(featureFlagsDebug.getString(StringFlag(4, "4", "test", "buz"))).isEqualTo("bar")

    }



    @Test
@@ -276,7 +277,7 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
        whenever(flagManager.readFlagValue<String>(eq("6"), any())).thenReturn("override6")



        assertThat(

            mFeatureFlagsDebug.getString(

            featureFlagsDebug.getString(

                ResourceStringFlag(

                    1,

                    "1",
@@ -286,7 +287,7 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
            )

        ).isEqualTo("")

        assertThat(

            mFeatureFlagsDebug.getString(

            featureFlagsDebug.getString(

                ResourceStringFlag(

                    2,

                    "2",
@@ -296,7 +297,7 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
            )

        ).isEqualTo("resource2")

        assertThat(

            mFeatureFlagsDebug.getString(

            featureFlagsDebug.getString(

                ResourceStringFlag(

                    3,

                    "3",
@@ -307,15 +308,15 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
        ).isEqualTo("override3")



        Assert.assertThrows(NullPointerException::class.java) {

            mFeatureFlagsDebug.getString(ResourceStringFlag(4, "4", "test", 1004))

            featureFlagsDebug.getString(ResourceStringFlag(4, "4", "test", 1004))

        }

        Assert.assertThrows(NameNotFoundException::class.java) {

            mFeatureFlagsDebug.getString(ResourceStringFlag(5, "5", "test", 1005))

            featureFlagsDebug.getString(ResourceStringFlag(5, "5", "test", 1005))

        }

        // Test that resource is loaded (and validated) even when the setting is set.

        //  This prevents developers from not noticing when they reference an invalid resource.

        Assert.assertThrows(NameNotFoundException::class.java) {

            mFeatureFlagsDebug.getString(ResourceStringFlag(6, "6", "test", 1005))

            featureFlagsDebug.getString(ResourceStringFlag(6, "6", "test", 1005))

        }

    }
@@ -323,10 +324,10 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
    fun readIntFlag() {

        whenever(flagManager.readFlagValue<Int>(eq("3"), any())).thenReturn(22)

        whenever(flagManager.readFlagValue<Int>(eq("4"), any())).thenReturn(48)

        assertThat(mFeatureFlagsDebug.getInt(IntFlag(1, "1", "test", 12))).isEqualTo(12)

        assertThat(mFeatureFlagsDebug.getInt(IntFlag(2, "2", "test", 93))).isEqualTo(93)

        assertThat(mFeatureFlagsDebug.getInt(IntFlag(3, "3", "test", 8))).isEqualTo(22)

        assertThat(mFeatureFlagsDebug.getInt(IntFlag(4, "4", "test", 234))).isEqualTo(48)

        assertThat(featureFlagsDebug.getInt(IntFlag(1, "1", "test", 12))).isEqualTo(12)

        assertThat(featureFlagsDebug.getInt(IntFlag(2, "2", "test", 93))).isEqualTo(93)

        assertThat(featureFlagsDebug.getInt(IntFlag(3, "3", "test", 8))).isEqualTo(22)

        assertThat(featureFlagsDebug.getInt(IntFlag(4, "4", "test", 234))).isEqualTo(48)

    }



    @Test
@@ -342,17 +343,17 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
        whenever(flagManager.readFlagValue<Int>(eq(4), any())).thenReturn(500)

        whenever(flagManager.readFlagValue<Int>(eq(5), any())).thenReturn(9519)



        assertThat(mFeatureFlagsDebug.getInt(ResourceIntFlag(1, "1", "test", 1001))).isEqualTo(88)

        assertThat(mFeatureFlagsDebug.getInt(ResourceIntFlag(2, "2", "test", 1002))).isEqualTo(61)

        assertThat(mFeatureFlagsDebug.getInt(ResourceIntFlag(3, "3", "test", 1003))).isEqualTo(20)

        assertThat(featureFlagsDebug.getInt(ResourceIntFlag(1, "1", "test", 1001))).isEqualTo(88)

        assertThat(featureFlagsDebug.getInt(ResourceIntFlag(2, "2", "test", 1002))).isEqualTo(61)

        assertThat(featureFlagsDebug.getInt(ResourceIntFlag(3, "3", "test", 1003))).isEqualTo(20)



        Assert.assertThrows(NotFoundException::class.java) {

            mFeatureFlagsDebug.getInt(ResourceIntFlag(4, "4", "test", 1004))

            featureFlagsDebug.getInt(ResourceIntFlag(4, "4", "test", 1004))

        }

        // Test that resource is loaded (and validated) even when the setting is set.

        //  This prevents developers from not noticing when they reference an invalid resource.

        Assert.assertThrows(NotFoundException::class.java) {

            mFeatureFlagsDebug.getInt(ResourceIntFlag(5, "5", "test", 1005))

            featureFlagsDebug.getInt(ResourceIntFlag(5, "5", "test", 1005))

        }

    }
@@ -432,11 +433,11 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
        whenever(flagManager.readFlagValue<String>(eq("1"), any())).thenReturn("original")



        // gets the flag & cache it

        assertThat(mFeatureFlagsDebug.getString(flag1)).isEqualTo("original")

        assertThat(featureFlagsDebug.getString(flag1)).isEqualTo("original")

        verify(flagManager, times(1)).readFlagValue(eq("1"), eq(StringFlagSerializer))



        // hit the cache

        assertThat(mFeatureFlagsDebug.getString(flag1)).isEqualTo("original")

        assertThat(featureFlagsDebug.getString(flag1)).isEqualTo("original")

        verifyNoMoreInteractions(flagManager)



        // set the flag
@@ -444,7 +445,7 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
        verifyPutData("1", "{\"type\":\"string\",\"value\":\"new\"}", numReads = 2)

        whenever(flagManager.readFlagValue<String>(eq("1"), any())).thenReturn("new")



        assertThat(mFeatureFlagsDebug.getString(flag1)).isEqualTo("new")

        assertThat(featureFlagsDebug.getString(flag1)).isEqualTo("new")

        verify(flagManager, times(3)).readFlagValue(eq("1"), eq(StringFlagSerializer))

    }
@@ -454,7 +455,7 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 


        serverFlagReader.setFlagValue(flag.namespace, flag.name, false)



        assertThat(mFeatureFlagsDebug.isEnabled(flag)).isFalse()

        assertThat(featureFlagsDebug.isEnabled(flag)).isFalse()

    }



    @Test
@@ -462,7 +463,33 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
        val flag = UnreleasedFlag(100, name = "100", namespace = "test")



        serverFlagReader.setFlagValue(flag.namespace, flag.name, true)

        assertThat(mFeatureFlagsDebug.isEnabled(flag)).isTrue()

        assertThat(featureFlagsDebug.isEnabled(flag)).isTrue()

    }



    @Test

    fun serverSide_OverrideUncached_NoRestart() {

        // No one has read the flag, so it's not in the cache.

        serverFlagReader.setFlagValue(

            teamfoodableFlagA.namespace, teamfoodableFlagA.name, !teamfoodableFlagA.default)

        verify(restarter, never()).restartSystemUI(anyString())

    }



    @Test

    fun serverSide_Override_Restarts() {

        // Read it to put it in the cache.

        featureFlagsDebug.isEnabled(teamfoodableFlagA)

        serverFlagReader.setFlagValue(

            teamfoodableFlagA.namespace, teamfoodableFlagA.name, !teamfoodableFlagA.default)

        verify(restarter).restartSystemUI(anyString())

    }



    @Test

    fun serverSide_RedundantOverride_NoRestart() {

        // Read it to put it in the cache.

        featureFlagsDebug.isEnabled(teamfoodableFlagA)

        serverFlagReader.setFlagValue(

            teamfoodableFlagA.namespace, teamfoodableFlagA.name, teamfoodableFlagA.default)

        verify(restarter, never()).restartSystemUI(anyString())

    }



    @Test
@@ -482,13 +509,13 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
            .thenReturn("override7")



        // WHEN the flags have been accessed

        assertThat(mFeatureFlagsDebug.isEnabled(flag1)).isTrue()

        assertThat(mFeatureFlagsDebug.isEnabled(flag2)).isTrue()

        assertThat(mFeatureFlagsDebug.isEnabled(flag3)).isFalse()

        assertThat(mFeatureFlagsDebug.getString(flag4)).isEmpty()

        assertThat(mFeatureFlagsDebug.getString(flag5)).isEqualTo("flag5default")

        assertThat(mFeatureFlagsDebug.getString(flag6)).isEqualTo("resource1006")

        assertThat(mFeatureFlagsDebug.getString(flag7)).isEqualTo("override7")

        assertThat(featureFlagsDebug.isEnabled(flag1)).isTrue()

        assertThat(featureFlagsDebug.isEnabled(flag2)).isTrue()

        assertThat(featureFlagsDebug.isEnabled(flag3)).isFalse()

        assertThat(featureFlagsDebug.getString(flag4)).isEmpty()

        assertThat(featureFlagsDebug.getString(flag5)).isEqualTo("flag5default")

        assertThat(featureFlagsDebug.getString(flag6)).isEqualTo("resource1006")

        assertThat(featureFlagsDebug.getString(flag7)).isEqualTo("override7")



        // THEN the dump contains the flags and the default values

        val dump = dumpToString()
@@ -527,7 +554,7 @@ class FeatureFlagsDebugTest : SysuiTestCase() { 
    private fun dumpToString(): String {

        val sw = StringWriter()

        val pw = PrintWriter(sw)

        mFeatureFlagsDebug.dump(pw, emptyArray<String>())

        featureFlagsDebug.dump(pw, emptyArray<String>())

        pw.flush()

        return sw.toString()

    }

packages/SystemUI/tests/src/com/android/systemui/flags/FeatureFlagsReleaseTest.kt

+44 −10

File changed.

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