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Add support for sticky and hot-swappable feature flags.

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This commit is contained in:
Greyson Parrelli
2020-01-24 15:29:03 -05:00
parent e7f568e162
commit 526adce603
4 changed files with 389 additions and 37 deletions
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251
app/src/test/java/org/thoughtcrime/securesms/util/FeatureFlagsTest.java Normal file
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package org.thoughtcrime.securesms.util;
import org.junit.Test;
import org.thoughtcrime.securesms.util.FeatureFlags.UpdateResult;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import static org.junit.Assert.assertEquals;
public class FeatureFlagsTest {
private static final String A = key("a");
private static final String B = key("b");
@Test
public void updateInternal_newValue_ignoreMissingPrefix() {
UpdateResult result = FeatureFlags.updateInternal(mapOf("noprefix", true),
mapOf(),
mapOf(),
setOf(),
setOf());
assertEquals(mapOf(), result.getMemory());
assertEquals(mapOf(), result.getDisk());
}
@Test
public void updateInternal_newValue() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(A, true),
mapOf(),
mapOf(),
setOf(),
setOf());
assertEquals(mapOf(), result.getMemory());
assertEquals(mapOf(A, true), result.getDisk());
}
@Test
public void updateInternal_newValue_hotSwap() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(A, true),
mapOf(),
mapOf(),
setOf(A),
setOf());
assertEquals(mapOf(A, true), result.getMemory());
assertEquals(mapOf(A, true), result.getDisk());
}
@Test
public void updateInternal_newValue_sticky() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(A, true),
mapOf(),
mapOf(),
setOf(),
setOf(A));
assertEquals(mapOf(), result.getMemory());
assertEquals(mapOf(A, true), result.getDisk());
}
@Test
public void updateInternal_newValue_hotSwap_sticky() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(A, true),
mapOf(),
mapOf(),
setOf(A),
setOf(A));
assertEquals(mapOf(A, true), result.getMemory());
assertEquals(mapOf(A, true), result.getDisk());
}
@Test
public void updateInternal_replaceValue() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(A, true),
mapOf(A, false),
mapOf(A, false),
setOf(),
setOf());
assertEquals(mapOf(A, false), result.getMemory());
assertEquals(mapOf(A, true), result.getDisk());
}
@Test
public void updateInternal_replaceValue_hotSwap() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(A, true),
mapOf(A, false),
mapOf(A, false),
setOf(A),
setOf());
assertEquals(mapOf(A, true), result.getMemory());
assertEquals(mapOf(A, true), result.getDisk());
}
@Test
public void updateInternal_replaceValue_hotSwap_stickyChange() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(A, true),
mapOf(A, false),
mapOf(A, false),
setOf(A),
setOf(A));
assertEquals(mapOf(A, true), result.getMemory());
assertEquals(mapOf(A, true), result.getDisk());
}
@Test
public void updateInternal_replaceValue_hotSwap_stickyIgnore_memoryAndDisk() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(A, false),
mapOf(A, true),
mapOf(A, true),
setOf(A),
setOf(A));
assertEquals(mapOf(A, true), result.getMemory());
assertEquals(mapOf(A, true), result.getDisk());
}
@Test
public void updateInternal_removeValue() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(),
mapOf(A, true),
mapOf(A, true),
setOf(),
setOf());
assertEquals(mapOf(A, true), result.getMemory());
assertEquals(mapOf(), result.getDisk());
}
@Test
public void updateInternal_removeValue_hotSwap() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(),
mapOf(A, true),
mapOf(A, true),
setOf(A),
setOf());
assertEquals(mapOf(), result.getMemory());
assertEquals(mapOf(), result.getDisk());
}
@Test
public void updateInternal_removeValue_stickyAlreadyEnabled() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(),
mapOf(A, true),
mapOf(A, true),
setOf(),
setOf(A));
assertEquals(mapOf(A, true), result.getMemory());
assertEquals(mapOf(A, true), result.getDisk());
}
@Test
public void updateInternal_removeValue_stickyNotEnabled() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(),
mapOf(A, false),
mapOf(A, false),
setOf(),
setOf(A));
assertEquals(mapOf(A, false), result.getMemory());
assertEquals(mapOf(), result.getDisk());
}
@Test
public void updateInternal_removeValue_hotSwap_stickyAlreadyEnabled() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(),
mapOf(A, true),
mapOf(A, true),
setOf(A),
setOf(A));
assertEquals(mapOf(A, true), result.getMemory());
assertEquals(mapOf(A, true), result.getDisk());
}
@Test
public void updateInternal_removeValue_hotSwap_stickyNotEnabled() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(),
mapOf(A, false),
mapOf(A, false),
setOf(A),
setOf(A));
assertEquals(mapOf(), result.getMemory());
assertEquals(mapOf(), result.getDisk());
}
@Test
public void updateInternal_twoNewValues() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(A, true,
B, false),
mapOf(),
mapOf(),
setOf(),
setOf());
assertEquals(mapOf(), result.getMemory());
assertEquals(mapOf(A, true, B, false), result.getDisk());
}
@Test
public void updateInternal_replaceOneOfTwoValues() {
UpdateResult result = FeatureFlags.updateInternal(mapOf(A, true,
B, false),
mapOf(A, true,
B, true),
mapOf(A, true,
B, true),
setOf(),
setOf());
assertEquals(mapOf(A, true, B, true), result.getMemory());
assertEquals(mapOf(A, true, B, false), result.getDisk());
}
private static String key(String s) {
return "android." + s;
}
private static <V> Set<V> setOf(V... values) {
return new HashSet<>(Arrays.asList(values));
}
private static <K, V> Map<K, V> mapOf() {
return new HashMap<>();
}
private static <K, V> Map<K, V> mapOf(K k, V v) {
return new HashMap<K, V>() {{
put(k, v);
}};
}
private static <K, V> Map<K, V> mapOf(K k1, V v1, K k2, V v2) {
return new HashMap<K, V>() {{
put(k1, v1);
put(k2, v2);
}};
}
}