8000 Add Tests to Language by bingbing8 · Pull Request #2043 · PowerShell/PowerShell · GitHub
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Add Tests to Language #2043

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42065b4
Add tests for language
bingbing8 Aug 22, 2016
efd5a58
Update Tests only run on win full
bingbing8 Aug 23, 2016
dd30272
Update testss for based for linux
bingbing8 Aug 23, 2016
b2bb6ba
Update map.json
bingbing8 Aug 23, 2016
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117 changes: 68 additions & 49 deletions test/powershell/Language/LanguageTestSupport.psm1
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Original file line number Diff line number Diff line change
Expand Up @@ -53,37 +53,6 @@ function position_message
}


#
# Run the new parser, check the errors against the expected errors
#
function Test-Error
{
[CmdletBinding()]
param([string]$src, [string[]]$expectedErrors, [int[]]$expectedOffsets)

Assert ($expectedErrors.Count -eq $expectedOffsets.Count) "Test case error"

$errors = Get-ParseResults -Src $src


if ($null -ne $errors)
{
Assert ($errors.Count -eq $expectedErrors.Count) "Expected $($expectedErrors.Count) errors, got $($errors.Count)"
for ($i = 0; $i -lt $errors.Count; ++$i)
{
$err = $errors[$i]
Assert ($expectedErrors[$i] -eq $err.ErrorId) ("Unexpected error: {0,-30}{1}" -f ("$($err.ErrorId):",
(position_message $err.Extent.StartScriptPosition)))
Assert ($expectedOffsets[$i] -eq $err.Extent.StartScriptPosition.Offset) `
"Expected position: $($expectedOffsets[$i]), got $($err.Extent.StartScriptPosition.Offset)"
}
}
else
{
Assert $false "Expected errors but didn't receive any."
}
}

#
# Pester friendly version of Test-Error
#
Expand All @@ -95,7 +64,9 @@ function ShouldBeParseError
[string[]]$expectedErrors,
[int[]]$expectedOffsets,
# This is a temporary solution after moving type creation from parse time to runtime
[switch]$SkipAndCheckRuntimeError
[switch]$SkipAndCheckRuntimeError,
# for test coverarage purpose, tests validate columnNumber or offset
[switch]$CheckColumnNumber
)

Context "Parse error expected: <<$src>>" {
Expand Down Expand Up @@ -129,7 +100,9 @@ function ShouldBeParseError
$errorId = $err.ErrorId
}
It "Error Id" { $errorId | Should Be $expectedErrors[$i] }
It "Error position" -Pending:$SkipAndCheckRuntimeError { $err.Extent.StartScriptPosition.Offset | Should Be $expectedOffsets[$i] }
$acutalPostion = $err.Extent.StartScriptPosition.Offset
if ( $CheckColumnNumber ) { $acutalPostion = $err.Extent.StartScriptPosition.ColumnNumber }
It "Error position" -Pending:$SkipAndCheckRuntimeError { $acutalPostion | Should Be $expectedOffsets[$i] }
}
}
}
Expand All @@ -149,30 +122,76 @@ function Flatten-Ast
function Test-ErrorStmt
{
param([string]$src, [string]$errorStmtExtent)

$ast = Get-ParseResults $src -Ast
$asts = @(Flatten-Ast $ast.EndBlock.Statements[0])

Assert ($asts[0] -is [System.Management.Automation.Language.ErrorStatementAst]) "Expected error statement"
Assert ($asts.Count -eq $args.Count + 1) "Incorrect number of nested asts"
Assert ($asts[0].Extent.Text -eq $errorStmtExtent) "Error statement expected <$errorStmtExtent>, got <$($asts[0].Extent.Text)>"
for ($i = 0; $i -lt $args.Count; ++$i)
{
Assert ($asts[$i + 1].Extent.Text -eq $args[$i]) "Nested ast incorrect: <$($asts[$i+1].Extent.Text)>, expected <$($args[$i])>"
$a = $args
Context "Error Statement expected: <<$src>>" {
$ast = Get-ParseResults $src -Ast
$asts = @(Flatten-Ast $ast.EndBlock.Statements[0])

It 'Type is ErrorStatementAst' { $asts[0].GetType() | Should Be System.Management.Automation.Language.ErrorStatementAst }
It "`$asts.count" { $asts.Count | Should Be ($a.Count + 1) }
It "`$asts[0].Extent.Text" { $asts[0].Extent.Text | Should Be $errorStmtExtent }
for ($i = 0; $i -lt $a.Count; ++$i)
{
It "`$asts[$($i + 1)].Extent.Text" { $asts[$i + 1].Extent.Text | Should Be $a[$i] }
}
}
}

function Test-Ast
{
param([string]$src)

$a = $args
$ast = Get-ParseResults $src -Ast
$asts = @(Flatten-Ast $ast)
Assert ($asts.Count -eq $args.Count) "Incorrect number of nested asts, got $($asts.Count), expected $($args.Count)"
for ($i = 0; $i -lt $args.Count; ++$i)
{
Assert ($asts[$i].Extent.Text -eq $args[$i]) "Nested ast incorrect: <$($asts[$i].Extent.Text)>, expected <$($args[$i])>"
Context "Ast Validation: <<$src>>" {
It "`$asts.count" { $asts.Count | Should Be $a.Count }
for ($i = 0; $i -lt $a.Count; ++$i)
{
It "`$asts[$i].Extent.Text" { $asts[$i].Extent.Text | Should Be $a[$i] }
}
}
}

Export-ModuleMember -Function Test-Error, Test-ErrorStmt, Test-Ast, ShouldBeParseError, Get-ParseResults, Get-RuntimeError
## ErrorStatement is special for SwitchStatement
function Test-ErrorStmtForSwitchFlag
{
param([string]$src, [string]$flagName)
$a = $args
$ast = Get-ParseResults $src -Ast
$ast = $ast.EndBlock.Statements[0]
Context "Ast Validation: <<$src>>" {
$ast.GetType() | Should Be System.Management.Automation.Language.ErrorStatementAst
$ast.Flags.ContainsKey($flagName) | Should be $true

$asts = @(Flatten-Ast $ast.Flags[$flagName].Item2)

$asts.Count | Should Be $a.Count
for ($i = 0; $i -lt $a.Count; ++$i)
{
$asts[$i].Extent.Text | Should Be $a[$i]
}
}
}

function ShouldBeErrorId
{
param([Parameter(ValueFromPipeline, Mandatory)]
[ScriptBlock]
$sb,

[Parameter(Mandatory, Position=0)]
[string]
$FullyQualifiedErrorId)

try
{
& $sb
throw "Unexpected"
}
catch
{
$_.FullyQualifiedErrorId | Should Be $FullyQualifiedErrorId
}
}

Export-ModuleMember -Function Test-ErrorStmt, Test-Ast, ShouldBeParseError, Get-ParseResults, Get-RuntimeError, Test-ErrorStmtForSwitchFlag, ShouldBeErrorId
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