First commit of split-select tool
This tool emits a set of rules as JSON for when a Split APK
should match a target device.
Change-Id: I8bfbdfbdb51efcfc645889dd03e1961f16e39645
diff --git a/tools/split-select/Grouper_test.cpp b/tools/split-select/Grouper_test.cpp
new file mode 100644
index 0000000..4d146cd
--- /dev/null
+++ b/tools/split-select/Grouper_test.cpp
@@ -0,0 +1,151 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+#include "Grouper.h"
+
+#include "SplitDescription.h"
+
+#include <gtest/gtest.h>
+#include <initializer_list>
+#include <utils/String8.h>
+#include <utils/Vector.h>
+
+using namespace android;
+
+namespace split {
+
+class GrouperTest : public ::testing::Test {
+protected:
+ virtual void SetUp() {
+ Vector<SplitDescription> splits;
+ addSplit(splits, "en-rUS-sw600dp-hdpi");
+ addSplit(splits, "fr-rFR-sw600dp-hdpi");
+ addSplit(splits, "fr-rFR-sw600dp-xhdpi");
+ addSplit(splits, ":armeabi");
+ addSplit(splits, "en-rUS-sw300dp-xhdpi");
+ addSplit(splits, "large");
+ addSplit(splits, "pl-rPL");
+ addSplit(splits, "xlarge");
+ addSplit(splits, "en-rUS-sw600dp-xhdpi");
+ addSplit(splits, "en-rUS-sw300dp-hdpi");
+ addSplit(splits, "xxhdpi");
+ addSplit(splits, "hdpi");
+ addSplit(splits, "de-rDE");
+ addSplit(splits, "xhdpi");
+ addSplit(splits, ":x86");
+ addSplit(splits, "anydpi");
+ addSplit(splits, "v7");
+ addSplit(splits, "v8");
+ addSplit(splits, "sw600dp");
+ addSplit(splits, "sw300dp");
+ mGroups = groupByMutualExclusivity(splits);
+ }
+
+ void addSplit(Vector<SplitDescription>& splits, const char* str);
+ void expectHasGroupWithSplits(std::initializer_list<const char*> l);
+
+ Vector<SortedVector<SplitDescription> > mGroups;
+};
+
+TEST_F(GrouperTest, shouldHaveCorrectNumberOfGroups) {
+ EXPECT_EQ(12u, mGroups.size());
+}
+
+TEST_F(GrouperTest, shouldGroupDensities) {
+ expectHasGroupWithSplits({"en-rUS-sw300dp-hdpi", "en-rUS-sw300dp-xhdpi"});
+ expectHasGroupWithSplits({"en-rUS-sw600dp-hdpi", "en-rUS-sw600dp-xhdpi"});
+ expectHasGroupWithSplits({"fr-rFR-sw600dp-hdpi", "fr-rFR-sw600dp-xhdpi"});
+ expectHasGroupWithSplits({"hdpi", "xhdpi", "xxhdpi", "anydpi"});
+}
+
+TEST_F(GrouperTest, shouldGroupAbi) {
+ expectHasGroupWithSplits({":armeabi", ":x86"});
+}
+
+TEST_F(GrouperTest, shouldGroupLocale) {
+ expectHasGroupWithSplits({"pl-rPL", "de-rDE"});
+}
+
+TEST_F(GrouperTest, shouldGroupEachSplitIntoItsOwnGroup) {
+ expectHasGroupWithSplits({"large"});
+ expectHasGroupWithSplits({"xlarge"});
+ expectHasGroupWithSplits({"v7"});
+ expectHasGroupWithSplits({"v8"});
+ expectHasGroupWithSplits({"sw600dp"});
+ expectHasGroupWithSplits({"sw300dp"});
+}
+
+//
+// Helper methods
+//
+
+void GrouperTest::expectHasGroupWithSplits(std::initializer_list<const char*> l) {
+ Vector<SplitDescription> splits;
+ for (const char* str : l) {
+ splits.add();
+ if (!SplitDescription::parse(String8(str), &splits.editTop())) {
+ ADD_FAILURE() << "Failed to parse SplitDescription " << str;
+ return;
+ }
+ }
+ const size_t splitCount = splits.size();
+
+ const size_t groupCount = mGroups.size();
+ for (size_t i = 0; i < groupCount; i++) {
+ const SortedVector<SplitDescription>& group = mGroups[i];
+ if (group.size() != splitCount) {
+ continue;
+ }
+
+ size_t found = 0;
+ for (size_t j = 0; j < splitCount; j++) {
+ if (group.indexOf(splits[j]) >= 0) {
+ found++;
+ }
+ }
+
+ if (found == splitCount) {
+ return;
+ }
+ }
+
+ String8 errorMessage("Failed to find expected group [");
+ for (size_t i = 0; i < splitCount; i++) {
+ if (i != 0) {
+ errorMessage.append(", ");
+ }
+ errorMessage.append(splits[i].toString());
+ }
+ errorMessage.append("].\nActual:\n");
+
+ for (size_t i = 0; i < groupCount; i++) {
+ errorMessage.appendFormat("Group %d:\n", int(i + 1));
+ const SortedVector<SplitDescription>& group = mGroups[i];
+ for (size_t j = 0; j < group.size(); j++) {
+ errorMessage.append(" ");
+ errorMessage.append(group[j].toString());
+ errorMessage.append("\n");
+ }
+ }
+ ADD_FAILURE() << errorMessage.string();
+}
+
+void GrouperTest::addSplit(Vector<SplitDescription>& splits, const char* str) {
+ splits.add();
+ EXPECT_TRUE(SplitDescription::parse(String8(str), &splits.editTop()));
+}
+
+} // namespace split