1 /*
2  * 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 android.tools.flicker.assertions
18 
19 import android.tools.flicker.subject.exceptions.FlickerAssertionError
20 import android.tools.flicker.subject.exceptions.FlickerAssertionWrapperError
21 import android.tools.io.Reader
22 import android.tools.withTracing
23 import org.junit.AssumptionViolatedException
24 
25 class ReaderAssertionRunner(
26     private val resultReader: Reader,
27     private val subjectsParser: SubjectsParser = SubjectsParser(resultReader),
28 ) : AssertionRunner {
runAssertionnull29     override fun runAssertion(assertion: AssertionData): Throwable? =
30         withTracing("ReaderAssertionRunner#runAssertion") {
31             resultReader.executionError ?: doRunAssertion(assertion)
32         }
33 
doRunAssertionnull34     private fun doRunAssertion(assertion: AssertionData): Throwable? {
35         return withTracing("ReaderAssertionRunner#doRunAssertion") {
36             try {
37                 assertion.checkAssertion(subjectsParser)
38                 null
39             } catch (error: FlickerAssertionError) {
40                 error
41             } catch (error: AssumptionViolatedException) {
42                 error
43             } catch (error: Throwable) {
44                 // Wrap other assertions or failures into a FlickerAssertionError
45                 FlickerAssertionWrapperError(error)
46             }
47         }
48     }
49 }
50