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Sync eng/common directory with azure-sdk-tools for PR 1946 #17582

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merged 6 commits into from
Sep 13, 2021
Merged

Sync eng/common directory with azure-sdk-tools for PR 1946 #17582

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ac35f9d
Add ability to exit gracefully when all files in the diff are excluded
danieljurek Aug 27, 2021
5bc4ca7
Address case where cspell exits with an error when all files from the…
danieljurek Aug 27, 2021
fb7a2a8
Add tests
danieljurek Sep 10, 2021
83cf2ba
Review feedback: impl goes at the bottom and should be treated as a s…
danieljurek Sep 13, 2021
c5607df
Import common instead of logging
danieljurek Sep 13, 2021
cf3308a
Enable strict mode
danieljurek Sep 13, 2021
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324 changes: 259 additions & 65 deletions eng/common/scripts/check-spelling-in-changed-files.ps1
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Original file line number Diff line number Diff line change
@@ -1,3 +1,54 @@
<#
.SYNOPSIS
Uses cspell (from NPM) to check spelling of recently changed files

.DESCRIPTION
This script checks files that have changed relative to a base branch (default
branch) for spelling errors. Dictionaries and spelling configurations reside
in a configurable `cspell.json` location.

This script uses `npx` and assumes that NodeJS (and by extension `npm` and
`npx`) are installed on the machine. If it does not detect `npx` it will warn
the user and exit with an error.

The entire file is scanned, not just changed sections. Spelling errors in parts
of the file not touched will still be shown.

This script copies the config file supplied in CspellConfigPath to a temporary
location, mutates the config file to include only the files that have changed,
and then uses the mutated config file to call cspell. In the case of success
the temporary file is deleted. In the case of failure the temporary file, whose
location was logged to the console, remains on disk.

.PARAMETER TargetBranch
Git ref to compare changes. This is usually the "base" (GitHub) or "target"
(DevOps) branch for which a pull request would be opened.

.PARAMETER SourceBranch
Git ref to use instead of changes in current repo state. Use `HEAD` here to
check spelling of files that have been committed and exclude any new files or
modified files that are not committed. This is most useful in CI scenarios where
builds may have modified the state of the repo. Leaving this parameter blank
includes files for whom changes have not been committed.

.PARAMETER CspellConfigPath
Optional location to use for cspell.json path. Default value is
`./.vscode/cspell.json`

.PARAMETER ExitWithError
Exit with error code 1 if spelling errors are detected.

.PARAMETER Test
Run test functions against the script logic

.EXAMPLE
./eng/common/scripts/check-spelling-in-changed-files.ps1 -TargetBranch 'target_branch_name'

This will run spell check with changes in the current branch with respect to
`target_branch_name`

#>

[CmdletBinding()]
Param (
[Parameter()]
Expand All @@ -10,18 +61,205 @@ Param (
[string] $CspellConfigPath = "./.vscode/cspell.json",

[Parameter()]
[switch] $ExitWithError
[switch] $ExitWithError,

[Parameter()]
[switch] $Test
)

Set-StrictMode -Version 3.0

function TestSpellChecker() {
Test-Exit0WhenAllFilesExcluded
ResetTest
Test-Exit1WhenIncludedFileHasSpellingError
ResetTest
Test-Exit0WhenIncludedFileHasNoSpellingError
ResetTest
Test-Exit1WhenChangedFileAlreadyHasSpellingError
ResetTest
Test-Exit0WhenUnalteredFileHasSpellingError
ResetTest
Test-Exit0WhenSpellingErrorsAndNoExitWithError
}

function Test-Exit0WhenAllFilesExcluded() {
# Arrange
"sepleing errrrrorrrrr" > ./excluded/excluded-file.txt
git add -A
git commit -m "One change"

# Act
&"$PSScriptRoot/check-spelling-in-changed-files.ps1" `
-TargetBranch HEAD~1 `
-ExitWithError

# Assert
if ($LASTEXITCODE -ne 0) {
throw "`$LASTEXITCODE != 0"
}
}

function Test-Exit1WhenIncludedFileHasSpellingError() {
# Arrange
"sepleing errrrrorrrrr" > ./included/included-file.txt
git add -A
git commit -m "One change"

# Act
&"$PSScriptRoot/check-spelling-in-changed-files.ps1" `
-TargetBranch HEAD~1 `
-ExitWithError

# Assert
if ($LASTEXITCODE -ne 1) {
throw "`$LASTEXITCODE != 1"
}
}

function Test-Exit0WhenIncludedFileHasNoSpellingError() {
# Arrange
"correct spelling" > ./included/included-file.txt
git add -A
git commit -m "One change"

# Act
&"$PSScriptRoot/check-spelling-in-changed-files.ps1" `
-TargetBranch HEAD~1 `
-ExitWithError

# Assert
if ($LASTEXITCODE -ne 0) {
throw "`$LASTEXITCODE != 0"
}
}

function Test-Exit1WhenChangedFileAlreadyHasSpellingError() {
# Arrange
"sepleing errrrrorrrrr" > ./included/included-file.txt
git add -A
git commit -m "First change"

"A statement without spelling errors" >> ./included/included-file.txt
git add -A
git commit -m "Second change"

# Act
&"$PSScriptRoot/check-spelling-in-changed-files.ps1" `
-TargetBranch HEAD~1 `
-ExitWithError

# Assert
if ($LASTEXITCODE -ne 1) {
throw "`$LASTEXITCODE != 1"
}
}

function Test-Exit0WhenUnalteredFileHasSpellingError() {
# Arrange
"sepleing errrrrorrrrr" > ./included/included-file-1.txt
git add -A
git commit -m "One change"

"A statement without spelling errors" > ./included/included-file-2.txt
git add -A
git commit -m "Second change"

# Act
&"$PSScriptRoot/check-spelling-in-changed-files.ps1" `
-TargetBranch HEAD~1 `
-ExitWithError

# Assert
if ($LASTEXITCODE -ne 0) {
throw "`$LASTEXITCODE != 0"
}
}

function Test-Exit0WhenSpellingErrorsAndNoExitWithError() {
# Arrange
"sepleing errrrrorrrrr" > ./included/included-file-1.txt
git add -A
git commit -m "One change"

# Act
&"$PSScriptRoot/check-spelling-in-changed-files.ps1" `
-TargetBranch HEAD~1

# Assert
if ($LASTEXITCODE -ne 0) {
throw "`$LASTEXITCODE != 0"
}
}

function SetupTest($workingDirectory) {
Write-Host "Create test temp dir: $workingDirectory"
New-Item -ItemType Directory -Force -Path $workingDirectory | Out-Null

Push-Location $workingDirectory | Out-Null
git init

New-Item -ItemType Directory -Force -Path "./excluded"
New-Item -ItemType Directory -Force -Path "./included"
New-Item -ItemType Directory -Force -Path "./.vscode"

"Placeholder" > "./excluded/placeholder.txt"
"Placeholder" > "./included/placeholder.txt"

$configJsonContent = @"
{
"version": "0.1",
"language": "en",
"ignorePaths": [
".vscode/cspell.json",
"excluded/**"
]
}
"@
$configJsonContent > "./.vscode/cspell.json"

git add -A
git commit -m "Init"
}

function ResetTest() {
# Empty out the working tree
git checkout .
git clean -xdf

$revCount = git rev-list --count HEAD
if ($revCount -gt 1) {
# Reset N-1 changes so there is only the initial commit
$revisionsToReset = $revCount - 1
git reset --hard HEAD~$revisionsToReset
}
}

function TeardownTest($workingDirectory) {
Pop-Location | Out-Null
Write-Host "Remove test temp dir: $workingDirectory"
Remove-Item -Path $workingDirectory -Recurse -Force | Out-Null
}

if ($Test) {
$workingDirectory = Join-Path ([System.IO.Path]::GetTempPath()) ([System.IO.Path]::GetRandomFileName())

SetupTest $workingDirectory
TestSpellChecker
TeardownTest $workingDirectory
Write-Host "Test complete"
exit 0
}

$ErrorActionPreference = "Continue"
. $PSScriptRoot/logging.ps1
. $PSScriptRoot/common.ps1

if ((Get-Command git | Measure-Object).Count -eq 0) {
if ((Get-Command git | Measure-Object).Count -eq 0) {
LogError "Could not locate git. Install git https://git-scm.com/downloads"
exit 1
}

if ((Get-Command npx | Measure-Object).Count -eq 0) {
if ((Get-Command npx | Measure-Object).Count -eq 0) {
LogError "Could not locate npx. Install NodeJS (includes npx and npx) https://nodejs.org/en/download/"
exit 1
}
Expand All @@ -31,7 +269,7 @@ if (!(Test-Path $CspellConfigPath)) {
exit 1
}

# Lists names of files that were in some way changed between the
# Lists names of files that were in some way changed between the
# current $SourceBranch and $TargetBranch. Excludes files that were deleted to
# prevent errors in Resolve-Path
Write-Host "git diff --diff-filter=d --name-only $TargetBranch $SourceBranch"
Expand All @@ -51,11 +289,12 @@ foreach ($file in $changedFiles) {
$changedFilePaths += $file.Path
}

# Using GetTempPath because it works on linux and windows. Setting .json
# extension because cspell requires the file have a .json or .jsonc extension
$cspellConfigTemporaryPath = Join-Path `
([System.IO.Path]::GetTempPath()) `
"$([System.IO.Path]::GetRandomFileName()).json"
# The "files" list must always contain a file which exists, is not empty, and is
# not excluded in ignorePaths. In this case it will be a file with the contents
# "1" (no spelling errors will be detected)
$notExcludedFile = (New-TemporaryFile).ToString()
"1" >> $notExcludedFile
$changedFilePaths += $notExcludedFile

$cspellConfigContent = Get-Content $CspellConfigPath -Raw
$cspellConfig = ConvertFrom-Json $cspellConfigContent
Expand All @@ -74,22 +313,25 @@ Add-Member `
# Set the temporary config file with the mutated configuration. The temporary
# location is used to configure the command and the original file remains
# unchanged.
Write-Host "Setting config in: $cspellConfigTemporaryPath"
Write-Host "Setting config in: $CspellConfigPath"
Set-Content `
-Path $cspellConfigTemporaryPath `
-Path $CspellConfigPath `
-Value (ConvertTo-Json $cspellConfig -Depth 100)

# Use the mutated configuration file when calling cspell
Write-Host "npx cspell lint --config $cspellConfigTemporaryPath"
$spellingErrors = npx cspell lint --config $cspellConfigTemporaryPath
Write-Host "npx cspell lint --config $CspellConfigPath --no-must-find-files "
$spellingErrors = npx cspell lint --config $CspellConfigPath --no-must-find-files

Write-Host "cspell run complete, restoring original configuration."
Set-Content -Path $CspellConfigPath -Value $cspellConfigContent -NoNewLine

if ($spellingErrors) {
$errorLoggingFunction = Get-Item 'Function:LogWarning'
if ($ExitWithError) {
$errorLoggingFunction = Get-Item 'Function:LogError'
}

foreach ($spellingError in $spellingErrors) {
foreach ($spellingError in $spellingErrors) {
&$errorLoggingFunction $spellingError
}
&$errorLoggingFunction "Spelling errors detected. To correct false positives or learn about spell checking see: https://aka.ms/azsdk/engsys/spellcheck"
Expand All @@ -98,56 +340,8 @@ if ($spellingErrors) {
exit 1
}
} else {
Write-Host "No spelling errors detected. Removing temporary config file."
Remove-Item -Path $cspellConfigTemporaryPath -Force
Write-Host "No spelling errors detected. Removing temporary file."
Remove-Item -Path $notExcludedFile -Force | Out-Null
}

exit 0

<#
.SYNOPSIS
Uses cspell (from NPM) to check spelling of recently changed files

.DESCRIPTION
This script checks files that have changed relative to a base branch (default
branch) for spelling errors. Dictionaries and spelling configurations reside
in a configurable `cspell.json` location.

This script uses `npx` and assumes that NodeJS (and by extension `npm` and
`npx`) are installed on the machine. If it does not detect `npx` it will warn
the user and exit with an error.

The entire file is scanned, not just changed sections. Spelling errors in parts
of the file not touched will still be shown.

This script copies the config file supplied in CspellConfigPath to a temporary
location, mutates the config file to include only the files that have changed,
and then uses the mutated config file to call cspell. In the case of success
the temporary file is deleted. In the case of failure the temporary file, whose
location was logged to the console, remains on disk.

.PARAMETER TargetBranch
Git ref to compare changes. This is usually the "base" (GitHub) or "target"
(DevOps) branch for which a pull request would be opened.

.PARAMETER SourceBranch
Git ref to use instead of changes in current repo state. Use `HEAD` here to
check spelling of files that have been committed and exclude any new files or
modified files that are not committed. This is most useful in CI scenarios where
builds may have modified the state of the repo. Leaving this parameter blank
includes files for whom changes have not been committed.

.PARAMETER CspellConfigPath
Optional location to use for cspell.json path. Default value is
`./.vscode/cspell.json`

.PARAMETER ExitWithError
Exit with error code 1 if spelling errors are detected.

.EXAMPLE
./eng/common/scripts/check-spelling-in-changed-files.ps1 -TargetBranch 'target_branch_name'

This will run spell check with changes in the current branch with respect to
`target_branch_name`

#>