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Commit 1675a0d3 authored by David Saff's avatar David Saff
Browse files

Better error message when temp files can't be created 

Bug: 391948934
Test: local and presubmit
Flag: TEST_ONLY

Change-Id: I019bbe5266fd3143f870ade30d9e6ed3185ab4e2
parent ebf848a5

packages/SystemUI/tests/utils/src/com/android/systemui/SysuiTestCase.java

+26 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
 */

package com.android.systemui;



import static org.junit.Assert.assertTrue;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.when;
@@ -50,11 +51,13 @@ import com.android.systemui.log.LogWtfHandlerRule; 


import org.junit.After;

import org.junit.AfterClass;

import org.junit.Assert;

import org.junit.Before;

import org.junit.ClassRule;

import org.junit.Rule;

import org.mockito.Mockito;



import java.io.File;

import java.io.FileInputStream;

import java.io.IOException;

import java.lang.annotation.Retention;
@@ -208,6 +211,7 @@ public abstract class SysuiTestCase { 


    @Before

    public void SysuiSetup() throws Exception {

        assertTempFilesAreCreatable();

        ProtoLog.REQUIRE_PROTOLOGTOOL = false;

        mSysuiDependency = new SysuiTestDependency(mContext, shouldFailOnLeakedReceiver());

        mDependency = mSysuiDependency.install();
@@ -229,6 +233,28 @@ public abstract class SysuiTestCase { 
        }

    }



    private static Boolean sCanCreateTempFiles = null;



    private static void assertTempFilesAreCreatable() {

        // TODO(b/391948934): hopefully remove this hack

        if (sCanCreateTempFiles == null) {

            try {

                File tempFile = File.createTempFile("confirm_temp_file_createable", "txt");

                sCanCreateTempFiles = true;

                assertTrue(tempFile.delete());

            } catch (IOException e) {

                sCanCreateTempFiles = false;

                throw new RuntimeException(e);

            }

        }

        if (!sCanCreateTempFiles) {

            Assert.fail(

                    "Cannot create temp files, so mockito will probably fail (b/391948934).  Temp"

                            + " folder should be: "

                            + System.getProperty("java.io.tmpdir"));

        }

    }



    protected boolean shouldFailOnLeakedReceiver() {

        return false;

    }