public/New-DockerImageVariantsVersions.Tests.ps1
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$here = Split-Path -Parent $MyInvocation.MyCommand.Path $sut = (Split-Path -Leaf $MyInvocation.MyCommand.Path) -replace '\.Tests\.', '.' . "$here\$sut" Describe "New-DockerImageVariantsVersions" { Context 'Parameters' { It "Errors when -Package is null" { { New-DockerImageVariantsVersions -Package $null 6>$null } | Should -Throw } It "Errors when -VersionsNewScript is null" { { New-DockerImageVariantsVersions -Package foo -VersionsNewScript $null 6>$null } | Should -Throw } } Context 'Behavior' { BeforeEach { Push-Location "TestDrive:\" $VERSIONS_JSON_FILE = "TestDrive:\generate/definitions/versions.json" New-Item (Split-Path $VERSIONS_JSON_FILE -Parent) -ItemType Container . "$here\Get-VersionsChanged.ps1" function Some-VersionNewScript { @( '1.0.0', '1.0.1' ) } } AfterEach { Pop-Location Remove-Item "TestDrive:\generate" -Recurse -Force } It "Honors -ErrorAction Continue" { $item = New-DockerImageVariantsVersions -Package foo -VersionsChangeScope minor -VersionsNewScript { some-invalid-command } -ErrorVariable err -ErrorAction Continue 2>$null $err | Should -Match 'some-invalid-command' } It "Honors -ErrorAction Stop" { { $item = New-DockerImageVariantsVersions -Package foo -VersionsChangeScope minor -VersionsNewScript { some-invalid-command } -ErrorAction Stop } | Should -Throw { $item = New-DockerImageVariantsVersions -Package foo -VersionsChangeScope minor -VersionsNewScript { 'not-a-version' } -ErrorAction Stop } | Should -Throw } It "Creates version.json (-VersionsChangeScope minor)" { $item = New-DockerImageVariantsVersions -Package foo -VersionsChangeScope minor -VersionsNewScript { Some-VersionNewScript } -ErrorVariable err $item | Should -Not -Be $null $item.FullName -eq (Get-Item $VERSIONS_JSON_FILE -Force).FullName | Should -Be $true $v = Get-Content $item -Encoding utf8 -Raw | ConvertFrom-Json $v | Should -Not -Be $null $v.foo.versions | Should -Be @( '1.0.1' ) $v.foo.versionsChangeScope | Should -Be 'minor' $v.foo.versionsNewScript | Should -Be 'Some-VersionNewScript' $err | Should -Be $null } It "Creates version.json (-VersionsChangeScope patch)" { $item = New-DockerImageVariantsVersions -Package foo -VersionsChangeScope patch -VersionsNewScript { Some-VersionNewScript } -ErrorVariable err $item | Should -Not -Be $null $item.FullName -eq (Get-Item $VERSIONS_JSON_FILE -Force).FullName | Should -Be $true $v = Get-Content $item -Encoding utf8 -Raw | ConvertFrom-Json $v | Should -Not -Be $null $v.foo.versions | Should -Be @( '1.0.1', '1.0.0' ) $v.foo.versionsChangeScope | Should -Be 'patch' $v.foo.versionsNewScript | Should -Be 'Some-VersionNewScript' $err | Should -Be $null } It "Creates version.json (-WhatIf)" { $item = New-DockerImageVariantsVersions -Package foo -VersionsChangeScope minor -VersionsNewScript { Some-VersionNewScript } -ErrorVariable err -WhatIf 6>$null Test-Path $VERSIONS_JSON_FILE | Should -Be $false $item | Should -Be $null $err | Should -Be $null } It "Errors if version.json already exists" { New-Item $VERSIONS_JSON_FILE -ItemType File -Force > $null $item = New-DockerImageVariantsVersions -Package foo -VersionsChangeScope minor -VersionsNewScript { Some-VersionNewScript } -ErrorVariable err 2>$null $item | Should -Be $null $err | Should -Not -Be $null } } } |