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1 /*
<lambda>null2  * Copyright (C) 2023 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.intentresolver
18 
19 import com.android.systemui.flags.BooleanFlag
20 import org.junit.rules.TestRule
21 import org.junit.runner.Description
22 import org.junit.runners.model.Statement
23 
24 /**
25  * Ignores tests annotated with [RequireFeatureFlags] which flag requirements does not
26  * meet in the active flag set.
27  * @param flags active flag set
28  */
29 internal class FeatureFlagRule(flags: Map<BooleanFlag, Boolean>) : TestRule {
30     private val flags = flags.entries.fold(HashMap<String, Boolean>()) { map, (key, value) ->
31         map.apply {
32             put(key.name, value)
33         }
34     }
35     private val skippingStatement = object : Statement() {
36         override fun evaluate() = Unit
37     }
38 
39     override fun apply(base: Statement, description: Description): Statement {
40         val annotation = description.annotations.firstOrNull {
41                 it is RequireFeatureFlags
42             } as? RequireFeatureFlags
43             ?: return base
44 
45         if (annotation.flags.size != annotation.values.size) {
46             error("${description.className}#${description.methodName}: inconsistent number of" +
47                     " flags and values in $annotation")
48         }
49         for (i in annotation.flags.indices) {
50             val flag = annotation.flags[i]
51             val value = annotation.values[i]
52             if (flags.getOrDefault(flag, !value) != value) return skippingStatement
53         }
54         return base
55     }
56 }
57