mirror of
https://github.com/microsoft/vcpkg.git
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a28bfe7674
This changes our PR builds to treat 'fail' in the ci.baseline.txt as 'skip' instead of using tombstones. We currently have large numbers of spurious failures that get enshrined in PRs through no fault of a PR author, removing the tombstones concept will fix those by allowing the user to retry. This does mean we accept some risk of not detecting when a port is 'fixed', but that failure is reasonable for us to handle after we see it in CI, but that seems worth it given that it lets us get rid of the tombstone concept. This also helps out the binary caching feature, because we don't have to figure out how to productize tombstones.
441 lines
14 KiB
PowerShell
Executable File
441 lines
14 KiB
PowerShell
Executable File
# Copyright (c) Microsoft Corporation.
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# SPDX-License-Identifier: MIT
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#
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<#
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.SYNOPSIS
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Analyze the test results as output by the CI system.
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.DESCRIPTION
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Takes the set of port test results from $logDir,
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and the baseline from $baselineFile, and makes certain that the set
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of failures we expected are exactly the set of failures we got.
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Then, uploads the logs from any unexpected failures.
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.PARAMETER logDir
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Directory of xml test logs to analyze.
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.PARAMETER allResults
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Include tests that have no change from the baseline in the output.
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.PARAMETER triplet
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The triplet to analyze.
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.PARAMETER baselineFile
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The path to the ci.baseline.txt file in the vcpkg repository.
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#>
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[CmdletBinding()]
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Param(
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[Parameter(Mandatory = $true)]
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[string]$logDir,
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[switch]$allResults,
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[Parameter(Mandatory = $true)]
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[string]$triplet,
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[Parameter(Mandatory = $true)]
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[string]$baselineFile
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)
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$ErrorActionPreference = 'Stop'
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if ( -not (Test-Path $logDir) ) {
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[System.Console]::Error.WriteLine("Log directory does not exist: $logDir")
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exit
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}
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<#
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.SYNOPSIS
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Creates an object the represents the test run.
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.DESCRIPTION
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build_test_results takes an XML file of results from the CI run,
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and constructs an object based on that XML file for further
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processing.
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.OUTPUTS
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An object with the following elements:
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assemblyName:
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assemblyStartDate:
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assemblyStartTime:
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assemblyTime:
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collectionName:
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collectionTime:
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allTests: A hashtable with an entry for each port tested
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The key is the name of the port
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The value is an object with the following elements:
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name: Name of the port (Does not include the triplet name)
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result: Pass/Fail/Skip result from xunit
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time: Test time in seconds
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originalResult: Result as defined by Build.h in vcpkg source code
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abi_tag: The port hash
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features: The features installed
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.PARAMETER xmlFilename
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The path to the XML file to parse.
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#>
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function build_test_results {
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[CmdletBinding()]
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Param
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(
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[string]$xmlFilename
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)
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if ( ($xmlFilename.Length -eq 0) -or ( -not( Test-Path $xmlFilename))) {
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#write-error "Missing file: $xmlFilename"
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return $null
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}
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Write-Verbose "building test hash for $xmlFilename"
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[xml]$xmlContents = Get-Content $xmlFilename
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# This currently only supports one collection per assembly, which is the way
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# the vcpkg tests are designed to run in the pipeline.
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$xmlAssembly = $xmlContents.assemblies.assembly
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$assemblyName = $xmlAssembly.name
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$assemblyStartDate = $xmlAssembly."run-date"
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$assemblyStartTime = $xmlAssembly."run-time"
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$assemblyTime = $xmlAssembly.time
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$xmlCollection = $xmlAssembly.collection
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$collectionName = $xmlCollection.name
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$collectionTime = $xmlCollection.time
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$allTestResults = @{ }
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foreach ( $test in $xmlCollection.test) {
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$name = ($test.name -replace ":.*$")
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# Reconstruct the original BuildResult enumeration (defined in Build.h)
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# failure.message - why the test failed (valid only on test failure)
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# reason - why the test was skipped (valid only when the test is skipped)
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# case BuildResult::POST_BUILD_CHECKS_FAILED:
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# case BuildResult::FILE_CONFLICTS:
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# case BuildResult::BUILD_FAILED:
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# case BuildResult::EXCLUDED:
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# case BuildResult::CASCADED_DUE_TO_MISSING_DEPENDENCIES:
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$originalResult = "NULLVALUE"
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switch ($test.result) {
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"Skip" {
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$originalResult = $test.reason.InnerText
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}
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"Fail" {
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$originalResult = $test.failure.message.InnerText
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}
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"Pass" {
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$originalResult = "SUCCEEDED"
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}
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}
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$abi_tag = ""
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$features = ""
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foreach ( $trait in $test.traits.trait) {
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switch ( $trait.name ) {
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"abi_tag" { $abi_tag = $trait.value }
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"features" { $features = $trait.value }
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}
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}
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# If additional fields get saved in the XML, then they should be added to this hash
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# also consider using a PSCustomObject here instead of a hash
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$testHash = @{ name = $name; result = $test.result; time = $test.time; originalResult = $originalResult; abi_tag = $abi_tag; features = $features }
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$allTestResults[$name] = $testHash
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}
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return @{
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assemblyName = $assemblyName;
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assemblyStartDate = $assemblyStartDate;
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assemblyStartTime = $assemblyStartTime;
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assemblyTime = $assemblyTime;
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collectionName = $collectionName;
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collectionTime = $collectionTime;
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allTests = $allTestResults
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}
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}
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<#
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.SYNOPSIS
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Creates an object that represents the baseline expectations.
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.DESCRIPTION
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build_baseline_results converts the baseline file to an object representing
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the expectations set up by the baseline file. It records four states:
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1) fail
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2) skip
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3) ignore
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4) pass -- this is represented by not being recorded
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In other words, if a port is not contained in the object returned by this
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cmdlet, expect it to pass.
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.OUTPUTS
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An object containing the following fields:
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collectionName: the triplet
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fail: ports marked as fail
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skip: ports marked as skipped
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ignore: ports marked as ignore
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.PARAMETER baselineFile
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The path to vcpkg's ci.baseline.txt.
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.PARAMETER triplet
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The triplet to create the result object for.
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#>
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function build_baseline_results {
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[CmdletBinding()]
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Param(
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$baselineFile,
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$triplet
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)
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#read in the file, strip out comments and blank lines and spaces, leave only the current triplet
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#remove comments, remove empty lines, remove whitespace, then keep only those lines for $triplet
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$baseline_list_raw = Get-Content -Path $baselineFile `
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| Where-Object { -not ($_ -match "\s*#") } `
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| Where-Object { -not ( $_ -match "^\s*$") } `
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| ForEach-Object { $_ -replace "\s" } `
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| Where-Object { $_ -match ":$triplet=" }
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#filter to skipped and trim the triplet
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$skip_hash = @{ }
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foreach ( $port in $baseline_list_raw | ? { $_ -match "=skip$" } | % { $_ -replace ":.*$" }) {
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if ($skip_hash[$port] -ne $null) {
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[System.Console]::Error.WriteLine("$($port):$($triplet) has multiple definitions in $baselineFile")
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}
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$skip_hash[$port] = $true
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}
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$fail_hash = @{ }
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$baseline_list_raw | ? { $_ -match "=fail$" } | % { $_ -replace ":.*$" } | ? { $fail_hash[$_] = $true } | Out-Null
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$ignore_hash = @{ }
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$baseline_list_raw | ? { $_ -match "=ignore$" } | % { $_ -replace ":.*$" } | ? { $ignore_hash[$_] = $true } | Out-Null
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return @{
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collectionName = $triplet;
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skip = $skip_hash;
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fail = $fail_hash;
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ignore = $ignore_hash
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}
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}
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<#
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.SYNOPSIS
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Analyzes the results of the current run against the baseline.
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.DESCRIPTION
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combine_results compares the results to the baselie, and generates the results
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for the CI -- whether it should pass or fail.
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.OUTPUTS
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An object containing the following:
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(Note that this is not the same data structure as build_test_results)
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assemblyName:
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assemblyStartDate:
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assemblyStartTime:
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assemblyTime:
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collectionName:
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collectionTime:
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allTests: A hashtable of each port with a different status from the baseline
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The key is the name of the port
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The value is an object with the following data members:
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name: The name of the port
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result: xunit test result Pass/Fail/Skip
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message: Human readable message describing the test result
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time: time the current test results took to run.
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baselineResult:
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currentResult:
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features:
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ignored: list of ignored tests
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.PARAMETER baseline
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The baseline object to use from build_baseline_results.
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.PARAMETER current
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The results object to use from build_test_results.
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#>
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function combine_results {
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[CmdletBinding()]
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Param
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(
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$baseline,
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$current
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)
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if ($baseline.collectionName -ne $current.collectionName) {
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Write-Warning "Comparing mismatched collections $($baseline.collectionName) and $($current.collectionName)"
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}
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$currentTests = $current.allTests
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# lookup table with the results of all of the tests
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$allTestResults = @{ }
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$ignoredList = @()
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Write-Verbose "analyzing $($currentTests.count) tests"
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foreach ($key in $currentTests.keys) {
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Write-Verbose "analyzing $key"
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$message = $null
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$result = $null
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$time = $null
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$currentResult = $null
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$features = $currentTest.features
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$baselineResult = "Pass"
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if ($baseline.fail[$key] -ne $null) {
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Write-Verbose "$key is failing"
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$baselineResult = "Fail"
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}
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elseif ( $baseline.skip[$key] -ne $null) {
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Write-Verbose "$key is skipped"
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$baselineResult = "Skip"
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}
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elseif ( $baseline.ignore[$key] -ne $null) {
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$baselineResult = "ignore"
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}
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$currentTest = $currentTests[$key]
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if ( $currentTest.result -eq $baselineResult) {
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Write-Verbose "$key has no change from baseline"
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$currentResult = $currentTest.result
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if ($allResults) {
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# Only marking regressions as failures but keep the skipped status
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if ($currentResult -eq "Skip") {
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$result = "Skip"
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}
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else {
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$result = "Pass"
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}
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$message = "No change from baseline"
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$time = $currentTest.time
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}
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}
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elseif ( $baselineResult -eq "ignore") {
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if ( $currentTest.result -eq "Fail" ) {
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Write-Verbose "ignoring failure on $key"
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$ignoredList += $key
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}
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}
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else {
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Write-Verbose "$key had a change from the baseline"
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$currentResult = $currentTest.result
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# Test exists in both test runs but does not match. Determine if this is a regression
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# Pass -> Fail = Fail (Regression)
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# Pass -> Skip = Skip
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# Fail -> Pass = Fail (need to update baseline)
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# Fail -> Skip = Skip
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# Skip -> Fail = Fail (Should not happen)
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# Skip -> Pass = Fail (should not happen)
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$lookupTable = @{
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'Pass' = @{
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'Fail' = @('Fail', "Test passes in baseline but fails in current run. If expected update ci.baseline.txt with '$($key):$($current.collectionName)=fail'");
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'Skip' = @($null, 'Test was skipped due to missing dependencies')
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};
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'Fail' = @{
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'Pass' = @('Fail', "Test fails in baseline but now passes. Update ci.baseline.txt with '$($key):$($current.collectionName)=pass'");
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'Skip' = @($null, 'Test fails in baseline but is skipped in current run')
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};
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'Skip' = @{
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'Fail' = @('Skip', "Test is skipped in baseline but fails in current run. Results are ignored")
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'Pass' = @('Skip', "Test is skipped in baseline but passes in current run. Results are ignored")
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}
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}
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$resultList = $lookupTable[$baselineResult][$currentResult]
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$result = $resultList[0]
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$message = $resultList[1]
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$time = $currentTest.time
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Write-Verbose ">$key $message"
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}
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if ($result -ne $null) {
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Write-Verbose "Adding $key to result list"
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$allTestResults[$key] = @{ name = $key; result = $result; message = $message; time = $time; abi_tag = $currentTest.abi_tag; baselineResult = $baselineResult; currentResult = $currentResult; features = $features }
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}
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}
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return @{
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assemblyName = $current.assemblyName;
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assemblyStartDate = $current.assemblyStartDate;
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assemblyStartTime = $current.assemblyStartTime;
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assemblyTime = $current.assemblyTime;
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collectionName = $current.collectionName;
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collectionTime = $current.collectionTime;
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allTests = $allTestResults;
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ignored = $ignoredList
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}
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}
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<#
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.SYNOPSIS
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Writes short errors to the CI logs.
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.DESCRIPTION
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write_errors_for_summary takes a hashtable from triplets to combine_results
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objects, and writes short errors to the CI logs.
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.PARAMETER complete_results
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A hashtable from triplets to combine_results objects.
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#>
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function write_errors_for_summary {
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[CmdletBinding()]
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Param(
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$complete_results
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)
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$failure_found = $false
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Write-Verbose "preparing error output for Azure Devops"
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foreach ($triplet in $complete_results.Keys) {
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$triplet_results = $complete_results[$triplet]
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Write-Verbose "searching $triplet triplet"
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# add each port results
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foreach ($testName in $triplet_results.allTests.Keys) {
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$test = $triplet_results.allTests[$testName]
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Write-Verbose "checking $($testName):$triplet $($test.result)"
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if ($test.result -eq 'Fail') {
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$failure_found = $true
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if ($test.currentResult -eq "pass") {
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[System.Console]::Error.WriteLine( `
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"PASSING, REMOVE FROM FAIL LIST: $($test.name):$triplet ($baselineFile)" `
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)
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}
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else {
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[System.Console]::Error.WriteLine( `
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"REGRESSION: $($test.name):$triplet. If expected, add $($test.name):$triplet=fail to $baselineFile." `
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)
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}
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}
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}
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}
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}
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$complete_results = @{ }
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Write-Verbose "looking for $triplet logs"
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# The standard name for logs is:
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# <triplet>.xml
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# for example:
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# x64-linux.xml
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$current_test_hash = build_test_results( Convert-Path "$logDir\$($triplet).xml" )
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$baseline_results = build_baseline_results -baselineFile $baselineFile -triplet $triplet
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if ($current_test_hash -eq $null) {
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[System.Console]::Error.WriteLine("Missing $triplet test results in current test run")
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$missing_triplets[$triplet] = "test"
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}
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else {
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Write-Verbose "combining results..."
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$complete_results[$triplet] = combine_results -baseline $baseline_results -current $current_test_hash
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}
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Write-Verbose "done analyzing results"
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# emit error last. Unlike the table output this is going to be seen in the "status" section of the pipeline
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# and needs to be formatted for a single line.
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write_errors_for_summary -complete_results $complete_results
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