Commonize rn / `n handling in test cases.

Extracted from microsoft#1514

Rather than each test case inventing their own way of dealing with the Windows/Linux `r`n vs `n difference, this change just always makes the output collection functions to do that transformation.

azure-pipelines/end-to-end-tests-dir/build-test-ports.ps1

@@ -51,20 +51,25 @@ if ($output -notmatch 'Trailing comma') {
 # Check for msgAlreadyInstalled vs. msgAlreadyInstalledNotHead
 $output = Run-VcpkgAndCaptureOutput @commonArgs --overlay-ports="$PSScriptRoot/../e2e-ports" install vcpkg-internal-e2e-test-port3
 Throw-IfFailed
-if ($output -notmatch 'vcpkg-internal-e2e-test-port3:[^ ]+ is already installed') {
+if (-not $output -contains @"
+The following packages are already installed:
+    vcpkg-internal-e2e-test-port3:
+"@) {
     throw 'Wrong already installed message'
 }
 
 $output = Run-VcpkgAndCaptureOutput @commonArgs --overlay-ports="$PSScriptRoot/../e2e-ports" install vcpkg-internal-e2e-test-port3 --head
 Throw-IfFailed
-if ($output -notmatch 'vcpkg-internal-e2e-test-port3:[^ ]+ is already installed -- not building from HEAD') {
+if (-not $output -contains @"
+The following packages are already installed, but were requested at --head version. Their installed contents will not be changed. To get updated versions, remove these packages first:
+    vcpkg-internal-e2e-test-port3:
+"@) {
     throw 'Wrong already installed message for --head'
 }
 
 Refresh-TestRoot
 $output = Run-VcpkgAndCaptureOutput @commonArgs --x-builtin-ports-root="$PSScriptRoot/../e2e-ports" install vcpkg-bad-spdx-license
 Throw-IfFailed
-$output = $output.Replace("`r`n", "`n")
 $expected = @"
 vcpkg.json: warning: $.license (an SPDX license expression): warning: Unknown license identifier 'BSD-new'. Known values are listed at https://spdx.org/licenses/
   on expression: BSD-new

azure-pipelines/end-to-end-tests-dir/ci-verify-versions.ps1

@@ -1,7 +1,5 @@
 . "$PSScriptRoot/../end-to-end-tests-prelude.ps1"
 
-Refresh-TestRoot
-
 Copy-Item -Recurse "$PSScriptRoot/../e2e-assets/ci-verify-versions-registry" "$TestingRoot/ci-verify-versions-registry"
 git -C "$TestingRoot/ci-verify-versions-registry" @gitConfigOptions init
 git -C "$TestingRoot/ci-verify-versions-registry" @gitConfigOptions add -A
@@ -160,17 +158,12 @@ Throw-IfNotFailed
 
 function Sanitize() {
   Param([string]$text)
-  $workTreeRegex = 'error: failed to execute:[^\r\n]+' # Git command line has an unpredictable PID inside
-  $text = $text.Replace('\', '/').Replace("`r`n", "`n").Trim()
+  $workTreeRegex = 'error: failed to execute:[^\n]+' # Git command line has an unpredictable PID inside
+  $text = $text.Replace('\', '/').Trim()
   $text = [System.Text.RegularExpressions.Regex]::Replace($text, $workTreeRegex, '')
   return $text
 }
 
 $expected = Sanitize $expected
 $actual = Sanitize $actual
-if ($actual -ne $expected) {
-    Set-Content -Value $expected -LiteralPath "$TestingRoot/expected.txt"
-    Set-Content -Value $actual -LiteralPath "$TestingRoot/actual.txt"
-    git diff --no-index -- "$TestingRoot/expected.txt" "$TestingRoot/actual.txt"
-    throw "Bad x-ci-verify-versions output."
-}
+Throw-IfNonEqual -Expected $expected -Actual $actual

azure-pipelines/end-to-end-tests-dir/cli.ps1

@@ -56,7 +56,7 @@ error: expected the end of input parsing a package spec; this usually means the
 
 "@
 
-if (-Not ($out.Replace("`r`n", "`n").EndsWith($expected)))
+if (-Not ($out.EndsWith($expected)))
 {
     throw 'Bad malformed port name output; it was: ' + $out
 }
@@ -71,7 +71,7 @@ error: unknown binary provider type: valid providers are 'clear', 'default', 'nu
 
 "@
 
-if (-Not ($out.Replace("`r`n", "`n").EndsWith($expected)))
+if (-Not ($out.EndsWith($expected)))
 {
     throw 'Bad malformed --binarysource output; it was: ' + $out
 }
@@ -86,7 +86,7 @@ error: Invalid triplet name. Triplet names are all lowercase alphanumeric+hyphen
 Built-in Triplets:
 "@
 
-if (-Not ($out.Replace("`r`n", "`n").StartsWith($expected)))
+if (-Not ($out.StartsWith($expected)))
 {
     throw 'Bad malformed triplet output. It was: ' + $out
 }
@@ -99,7 +99,7 @@ error: expected an explicit triplet
                      ^
 
 "@
-if (-Not ($out.Replace("`r`n", "`n").EndsWith($expected)))
+if (-Not ($out.EndsWith($expected)))
 {
     throw ('Bad error output: ' + $out)
 }
@@ -112,7 +112,7 @@ error: expected an explicit triplet
                      ^
 
 "@
-if (-Not ($out.Replace("`r`n", "`n").EndsWith($expected)))
+if (-Not ($out.EndsWith($expected)))
 {
     throw ('Bad error output: ' + $out)
 }
@@ -125,7 +125,7 @@ error: expected the end of input parsing a package spec; did you mean zlib[core]
                                  ^
 
 "@
-if (-Not ($out.Replace("`r`n", "`n").EndsWith($expected)))
+if (-Not ($out.EndsWith($expected)))
 {
     throw ('Bad error output: ' + $out)
 }
@@ -138,7 +138,7 @@ error: List of features is not allowed in this context
                      ^
 
 "@
-if (-Not ($out.Replace("`r`n", "`n").EndsWith($expected)))
+if (-Not ($out.EndsWith($expected)))
 {
     throw ('Bad error output: ' + $out)
 }
@@ -151,7 +151,7 @@ error: Platform qualifier is not allowed in this context
                                  ^
 
 "@
-if (-Not ($out.Replace("`r`n", "`n").EndsWith($expected)))
+if (-Not ($out.EndsWith($expected)))
 {
     throw ('Bad error output: ' + $out)
 }

azure-pipelines/end-to-end-tests-dir/env-passthrough.ps1

@@ -5,13 +5,13 @@ if (-not $IsLinux -and -not $IsMacOS) {
     $env:_VCPKG_TEST_UNTRACKED = "b"
 
     $x = Run-VcpkgAndCaptureOutput "--overlay-triplets=$PSScriptRoot/../e2e-ports/env-passthrough" env "echo %_VCPKG_TEST_TRACKED% %_VCPKG_TEST_TRACKED2% %_VCPKG_TEST_UNTRACKED% %_VCPKG_TEST_UNTRACKED2%"
-    if ($x -ne "%_VCPKG_TEST_TRACKED% %_VCPKG_TEST_TRACKED2% %_VCPKG_TEST_UNTRACKED% %_VCPKG_TEST_UNTRACKED2%`r`n")
+    if ($x -ne "%_VCPKG_TEST_TRACKED% %_VCPKG_TEST_TRACKED2% %_VCPKG_TEST_UNTRACKED% %_VCPKG_TEST_UNTRACKED2%`n")
     {
         throw "env should have cleaned the environment ($x)"
     }
 
     $y = Run-VcpkgAndCaptureOutput "--overlay-triplets=$PSScriptRoot/../e2e-ports/env-passthrough" env --triplet passthrough "echo %_VCPKG_TEST_TRACKED% %_VCPKG_TEST_TRACKED2% %_VCPKG_TEST_UNTRACKED% %_VCPKG_TEST_UNTRACKED2%"
-    if ($y -ne "a %_VCPKG_TEST_TRACKED2% b %_VCPKG_TEST_UNTRACKED2%`r`n")
+    if ($y -ne "a %_VCPKG_TEST_TRACKED2% b %_VCPKG_TEST_UNTRACKED2%`n")
     {
         throw "env should have kept the environment ($y)"
     }