BeforeAll {
    $ManifestFile = (Get-Item -Path "./src/*.psd1").FullName
    Import-Module $ManifestFile -Force

    $PrivateFunctions = (Get-ChildItem -Path "./src/Private/*.ps1" | Where-Object {
            $_.BaseName -notmatch '.Tests'
        }
    ).FullName
    foreach ( $func in $PrivateFunctions) {
        . $func
    }
}

Describe "Resolve-Dependency" {
    Context "Basic syntax check" {
        BeforeAll {
            Mock  Get-ModuleBase {
                return (Join-Path -Path $PWD -ChildPath '/resources')
            }
            Mock Test-Module {
                return $true
            }
        }

        It "Test1: Should not throw" {
            { Resolve-Dependency -Name 'foobar2000' } | Should -Not -Throw
        }
        It "Test2: Output type should be bool" {
            Resolve-Dependency -Name 'foobar2000' | Should -BeOfType bool
        }
    }
    Context "Enforce Error" {
        # Return incorrect module base to enforce there is no config file.
        Mock Get-ModuleBase {
            if ($IsWindows) { return "C:\" }
            elseif ($isLinux) { return "/" }
        }
        It "Missing dependency file should not cause an error" {
            { Resolve-Dependency -Name 'awesome' } | Should -Not -Throw
        }

        It "Missing dependency file should return true" {
            Resolve-Dependency -Name 'awesome' | Should -Be $true
        }
    }
    Context "Testing input variations" {
        It "Should return true if all given dependencies exist" {
            Mock Get-ModuleBase {
                return (Join-Path -Path $PWD -ChildPath '/resources')
            }
            Resolve-Dependency -Name 'Existing' | Should -Be $true
        }
        It "Mixed results should return false" {
            Mock Get-ModuleBase {
                return (Join-Path -Path $PWD -ChildPath '/resources')
            }
            Resolve-Dependency -Name 'PSGetMixed' | Should -Be $false
        }
    }
}