# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License.

Describe "Get-Module" -Tags "CI" {

    BeforeAll {
        $originalPSModulePath = $env:PSModulePath

        New-Item -ItemType Directory -Path "$testdrive\Modules\Foo\1.1" -Force > $null
        New-Item -ItemType Directory -Path "$testdrive\Modules\Foo\2.0" -Force > $null
        New-Item -ItemType Directory -Path "$testdrive\Modules\Bar\Download" -Force > $null
        New-Item -ItemType Directory -Path "$testdrive\Modules\Zoo\Too" -Force > $null

        New-ModuleManifest -Path "$testdrive\Modules\Foo\1.1\Foo.psd1" -ModuleVersion 1.1
        New-ModuleManifest -Path "$testdrive\Modules\Foo\2.0\Foo.psd1" -ModuleVersion 2.0
        New-ModuleManifest -Path "$testdrive\Modules\Bar\Bar.psd1"
        New-ModuleManifest -Path "$testdrive\Modules\Zoo\Zoo.psd1"

        New-Item -ItemType File -Path "$testdrive\Modules\Foo\1.1\Foo.psm1" > $null
        New-Item -ItemType File -Path "$testdrive\Modules\Foo\2.0\Foo.psm1" > $null
        New-Item -ItemType File -Path "$testdrive\Modules\Bar\Bar.psm1" > $null
        New-Item -ItemType File -Path "$testdrive\Modules\Bar\Download\Download.psm1" > $null
        New-Item -ItemType File -Path "$testdrive\Modules\Zoo\Zoo.psm1" > $null
        New-Item -ItemType File -Path "$testdrive\Modules\Zoo\Too\Zoo.psm1" > $null

        $env:PSModulePath = Join-Path $testdrive "Modules"
    }

    AfterAll {
        $env:PSModulePath = $originalPSModulePath
    }

    It "Get-Module -ListAvailable" {
        $modules = Get-Module -ListAvailable
        $modules.Count | Should -Be 4
        $modules = $modules | Sort-Object -Property Name, Version
        $modules.Name -join "," | Should -BeExactly "Bar,Foo,Foo,Zoo"
        $modules[1].Version | Should -Be "1.1"
        $modules[2].Version | Should -Be '2.0'
    }

    It "Get-Module <Name> -ListAvailable" {
        $modules = Get-Module F* -ListAvailable
        $modules.Count | Should -Be 2
        $modules = $modules | Sort-Object -Property Version
        $modules.Name -join "," | Should -BeExactly "Foo,Foo"
        $modules[0].Version | Should -Be "1.1"
        $modules[1].Version | Should -Be "2.0"
    }

    It "Get-Module -ListAvailable -All" {
        $modules = Get-Module -ListAvailable -All
        $modules.Count | Should -Be 10
        $modules = $modules | Sort-Object -Property Name, Path
        $modules.Name -join "," | Should -BeExactly "Bar,Bar,Download,Foo,Foo,Foo,Foo,Zoo,Zoo,Zoo"

        $modules[0].ModuleType | Should -BeExactly "Manifest"
        $modules[1].ModuleType | Should -BeExactly "Script"
        $modules[2].ModuleType | Should -BeExactly "Script"
        $modules[3].ModuleType | Should -BeExactly "Manifest"
        $modules[3].Version | Should -Be "1.1"
        $modules[4].ModuleType | Should -BeExactly "Script"
        $modules[5].ModuleType | Should -BeExactly "Manifest"
        $modules[5].Version | Should -Be "2.0"
        $modules[6].ModuleType | Should -BeExactly "Script"
        $modules[7].ModuleType | Should -BeExactly "Script"
        $modules[7].Path | Should -BeExactly (Resolve-Path "$testdrive\Modules\Zoo\Too\Zoo.psm1").Path
        $modules[8].ModuleType | Should -BeExactly "Manifest"
        $modules[8].Path | Should -BeExactly (Resolve-Path "$testdrive\Modules\Zoo\Zoo.psd1").Path
        $modules[9].ModuleType | Should -BeExactly "Script"
        $modules[9].Path | Should -BeExactly (Resolve-Path "$testdrive\Modules\Zoo\Zoo.psm1").Path
    }

    It "Get-Module <Name> -ListAvailable -All" {
        $modules = Get-Module down*, zoo -ListAvailable -All
        $modules.Count | Should -Be 4
        $modules = $modules | Sort-Object -Property Name, Path
        $modules.Name -join "," | Should -BeExactly "Download,Zoo,Zoo,Zoo"

        $modules[0].Path | Should -BeExactly (Resolve-Path "$testdrive\Modules\Bar\Download\Download.psm1").Path
        $modules[1].Path | Should -BeExactly (Resolve-Path "$testdrive\Modules\Zoo\Too\Zoo.psm1").Path
        $modules[2].Path | Should -BeExactly (Resolve-Path "$testdrive\Modules\Zoo\Zoo.psd1").Path
        $modules[3].Path | Should -BeExactly (Resolve-Path "$testdrive\Modules\Zoo\Zoo.psm1").Path
    }

    It "Get-Module <Path> -ListAvailable" {
        $modules = Get-Module "$testdrive\Modules\*" -ListAvailable
        $modules.Count | Should -Be 4
        $modules = $modules | Sort-Object -Property Name, Version
        $modules.Name -join "," | Should -BeExactly "Bar,Foo,Foo,Zoo"
        $modules[1].Version | Should -Be "1.1"
        $modules[2].Version | Should -Be '2.0'
    }

    It "Get-Module <Path> -ListAvailable -All" {
        $modules = Get-Module "$testdrive\Modules\*" -ListAvailable -All
        $modules.Count | Should -Be 5
        $modules = $modules | Sort-Object -Property Name, Path
        $modules.Name -join "," | Should -BeExactly "Bar,Foo,Foo,Zoo,Zoo"
        $modules[3].Path | Should -BeExactly (Resolve-Path "$testdrive\Modules\Zoo\Too\Zoo.psm1").Path
    }
}