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/*
* Copyright (C) 2024 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.checkflaggedapis
import android.aconfig.Aconfig
import android.aconfig.Aconfig.flag_state.DISABLED
import android.aconfig.Aconfig.flag_state.ENABLED
import java.io.ByteArrayInputStream
import java.io.ByteArrayOutputStream
import java.io.InputStream
import org.junit.Assert.assertEquals
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
private val API_SIGNATURE =
"""
// Signature format: 2.0
package android {
@FlaggedApi("android.flag.foo") public final class Clazz {
ctor public Clazz();
field @FlaggedApi("android.flag.foo") public static final int FOO = 1; // 0x1
}
@FlaggedApi("android.flag.bar") public static class Clazz.Builder {
}
}
"""
.trim()
private val API_VERSIONS =
"""
<?xml version="1.0" encoding="utf-8"?>
<api version="3">
<class name="android/Clazz" since="1">
<method name="<init>()V"/>
<field name="FOO"/>
</class>
<class name="android/Clazz${"$"}Builder" since="2">
</class>
</api>
"""
.trim()
private fun generateFlagsProto(
fooState: Aconfig.flag_state,
barState: Aconfig.flag_state
): InputStream {
val fooFlag =
Aconfig.parsed_flag
.newBuilder()
.setPackage("android.flag")
.setName("foo")
.setState(fooState)
.setPermission(Aconfig.flag_permission.READ_ONLY)
.build()
val barFlag =
Aconfig.parsed_flag
.newBuilder()
.setPackage("android.flag")
.setName("bar")
.setState(barState)
.setPermission(Aconfig.flag_permission.READ_ONLY)
.build()
val flags =
Aconfig.parsed_flags.newBuilder().addParsedFlag(fooFlag).addParsedFlag(barFlag).build()
val binaryProto = ByteArrayOutputStream()
flags.writeTo(binaryProto)
return ByteArrayInputStream(binaryProto.toByteArray())
}
@RunWith(JUnit4::class)
class CheckFlaggedApisTest {
@Test
fun testParseApiSignature() {
val expected =
setOf(
Pair(Symbol("android.Clazz"), Flag("android.flag.foo")),
Pair(Symbol("android.Clazz.FOO"), Flag("android.flag.foo")),
Pair(Symbol("android.Clazz.Builder"), Flag("android.flag.bar")),
)
val actual = parseApiSignature("in-memory", API_SIGNATURE.byteInputStream())
assertEquals(expected, actual)
}
@Test
fun testParseFlagValues() {
val expected: Map<Flag, Boolean> =
mapOf(Flag("android.flag.foo") to true, Flag("android.flag.bar") to true)
val actual = parseFlagValues(generateFlagsProto(ENABLED, ENABLED))
assertEquals(expected, actual)
}
@Test
fun testParseApiVersions() {
val expected: Set<Symbol> =
setOf(
Symbol("android.Clazz"),
Symbol("android.Clazz.FOO"),
Symbol("android.Clazz.Builder"),
)
val actual = parseApiVersions(API_VERSIONS.byteInputStream())
assertEquals(expected, actual)
}
@Test
fun testFindErrorsNoErrors() {
val expected = setOf<ApiError>()
val actual =
findErrors(
parseApiSignature("in-memory", API_SIGNATURE.byteInputStream()),
parseFlagValues(generateFlagsProto(ENABLED, ENABLED)),
parseApiVersions(API_VERSIONS.byteInputStream()))
assertEquals(expected, actual)
}
@Test
fun testFindErrorsDisabledFlaggedApiIsPresent() {
val expected =
setOf<ApiError>(
DisabledFlaggedApiIsPresentError(Symbol("android.Clazz"), Flag("android.flag.foo")),
DisabledFlaggedApiIsPresentError(Symbol("android.Clazz.FOO"), Flag("android.flag.foo")),
DisabledFlaggedApiIsPresentError(
Symbol("android.Clazz.Builder"), Flag("android.flag.bar")),
)
val actual =
findErrors(
parseApiSignature("in-memory", API_SIGNATURE.byteInputStream()),
parseFlagValues(generateFlagsProto(DISABLED, DISABLED)),
parseApiVersions(API_VERSIONS.byteInputStream()))
assertEquals(expected, actual)
}
}
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