Add unit tests for Set-GiteaConfiguration, Get-GiteaConfiguration, and Get-GiteaFileContent functions

PS-GiteaUtilities/Tests/Get-GiteaChildItem.Tests.ps1

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+# Get-GiteaChildItem.Tests.ps1
+
+# Import the module under test
+$modulePath = Join-Path -Path $PSScriptRoot -ChildPath '..\PS-GiteaUtilities.psm1'
+Import-Module -Name $modulePath -Force
+
+Describe 'Get-GiteaChildItem' {
+
+    BeforeEach {
+        # Mock config load
+        Mock -CommandName Get-GiteaConfiguration -ModuleName PS-GiteaUtilities -MockWith {
+            return @{
+                giteaURL = 'https://mock.gitea.com'
+                defaultOwner = 'mockuser'
+                defaultRepo = 'mockrepo'
+                defaultBranch = 'main'
+                token = 'mocktoken'
+            }
+        }
+
+        # Mock LFS config
+        Mock -CommandName Get-GiteaLFSConfiguration -ModuleName PS-GiteaUtilities -MockWith {
+            return @(".lfs")
+        }
+
+        # Mock web call to list files
+        Mock -CommandName Invoke-RestMethod -ModuleName PS-GiteaUtilities -MockWith {
+            return @(
+                @{
+                    name = "file1.txt"
+                    path = "file1.txt"
+                    type = "file"
+                    size = 123
+                    sha = "abc123"
+                    download_url = "https://mock.gitea.com/file1.txt"
+                },
+                @{
+                    name = "subdir"
+                    path = "subdir"
+                    type = "dir"
+                    size = 0
+                    sha = $null
+                    download_url = $null
+                }
+            )
+        }
+
+        Mock -CommandName Write-Error -ModuleName PS-GiteaUtilities -MockWith { }
+    }
+
+    Context 'When listing basic items' {
+        It 'Should return files and directories correctly' {
+            $result = Get-GiteaChildItem -repoOwner 'mockuser' -repoName 'mockrepo' -Path '' -token 'mocktoken'
+
+            $result | Should -Not -BeNullOrEmpty
+            $result.Count | Should -BeGreaterThan 0
+
+            $file = $result | Where-Object { $_.type -eq 'file' }
+            $dir  = $result | Where-Object { $_.type -eq 'dir' }
+
+            $file.name | Should -Be 'file1.txt'
+            $dir.name  | Should -Be 'subdir'
+        }
+    }
+
+    Context 'When filtering only files' {
+        It 'Should return only files when -File is used' {
+            $result = Get-GiteaChildItem -repoOwner 'mockuser' -repoName 'mockrepo' -Path '' -token 'mocktoken' -File
+
+            $result | Should -Not -BeNullOrEmpty
+            $result.Count | Should -Be 1
+            $result[0].type | Should -Be 'file'
+        }
+    }
+
+    Context 'When recursing into directories' {
+        BeforeEach {
+            # Mock recursion call
+            Mock -CommandName Invoke-RestMethod -ModuleName PS-GiteaUtilities -MockWith {
+                param($Uri)
+
+                if ($Uri -like "*subdir*") {
+                    return @(
+                        @{
+                            name = "nestedfile.txt"
+                            path = "subdir/nestedfile.txt"
+                            type = "file"
+                            size = 456
+                            sha = "def456"
+                            download_url = "https://mock.gitea.com/subdir/nestedfile.txt"
+                        }
+                    )
+                } else {
+                    return @(
+                        @{
+                            name = "file1.txt"
+                            path = "file1.txt"
+                            type = "file"
+                            size = 123
+                            sha = "abc123"
+                            download_url = "https://mock.gitea.com/file1.txt"
+                        },
+                        @{
+                            name = "subdir"
+                            path = "subdir"
+                            type = "dir"
+                            size = 0
+                            sha = $null
+                            download_url = $null
+                        }
+                    )
+                }
+            }
+        }
+
+        It 'Should retrieve nested files when -Recurse is used' {
+            $result = Get-GiteaChildItem -repoOwner 'mockuser' -repoName 'mockrepo' -Path '' -token 'mocktoken' -Recurse
+
+            $nested = $result | Where-Object { $_.Path -eq 'subdir/nestedfile.txt' }
+
+            $nested | Should -Not -BeNullOrEmpty
+            $nested.size | Should -Be 456
+        }
+    }
+
+    Context 'When recursion depth limit is enforced' {
+        BeforeEach {
+            # Same recursion mock as above
+            Mock -CommandName Invoke-RestMethod -ModuleName PS-GiteaUtilities -MockWith {
+                param($Uri)
+
+                if ($Uri -like "*subdir*") {
+                    return @(
+                        @{
+                            name = "nestedfile.txt"
+                            path = "subdir/nestedfile.txt"
+                            type = "file"
+                            size = 456
+                            sha = "def456"
+                            download_url = "https://mock.gitea.com/subdir/nestedfile.txt"
+                        }
+                    )
+                } else {
+                    return @(
+                        @{
+                            name = "file1.txt"
+                            path = "file1.txt"
+                            type = "file"
+                            size = 123
+                            sha = "abc123"
+                            download_url = "https://mock.gitea.com/file1.txt"
+                        },
+                        @{
+                            name = "subdir"
+                            path = "subdir"
+                            type = "dir"
+                            size = 0
+                            sha = $null
+                            download_url = $null
+                        }
+                    )
+                }
+            }
+        }
+
+        It 'Should not recurse deeper than depth limit' {
+            $result = Get-GiteaChildItem -repoOwner 'mockuser' -repoName 'mockrepo' -Path '' -token 'mocktoken' -Recurse -Depth 0
+
+            $nested = $result | Where-Object { $_.Path -eq 'subdir/nestedfile.txt' }
+            $nested | Should -BeNullOrEmpty
+        }
+    }
+}

PS-GiteaUtilities/Tests/Get-GiteaConfiguration.tests.ps1

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+# Get-GiteaConfiguration.Tests.ps1
+
+# Import the module under test
+$modulePath = Join-Path -Path $PSScriptRoot -ChildPath '..\PS-GiteaUtilities.psm1'
+Import-Module -Name $modulePath -Force
+
+Describe 'Get-GiteaConfiguration' {
+
+    Context 'When configuration file exists' {
+        BeforeEach {
+            # Mock filesystem and import
+            Mock -CommandName Test-Path -ModuleName PS-GiteaUtilities -MockWith { $true }
+            Mock -CommandName Import-Clixml -ModuleName PS-GiteaUtilities -MockWith { 
+                return @{
+                    giteaURL = 'https://gitea.example.com'
+                    token = 'ABC123'
+                }
+            }
+        }
+
+        It 'Should import configuration and return it' {
+            $result = Get-GiteaConfiguration
+
+            $result | Should -Not -BeNullOrEmpty
+            $result.giteaURL | Should -Be 'https://gitea.example.com'
+            $result.token | Should -Be 'ABC123'
+        }
+
+        It 'Should create global variables when LoadVariables is used' {
+            # Remove any existing variables first
+            Remove-Variable -Name giteaURL, token -Scope Global -ErrorAction SilentlyContinue
+
+            Get-GiteaConfiguration -LoadVariables
+
+            (Get-Variable -Name giteaURL -Scope Global).Value | Should -Be 'https://gitea.example.com'
+            (Get-Variable -Name token -Scope Global).Value | Should -Be 'ABC123'
+        }
+
+        It 'Should overwrite existing variables when Force is used' {
+            # Set initial variables
+            Set-Variable -Name giteaURL -Value 'OldURL' -Scope Global
+            Set-Variable -Name token -Value 'OldToken' -Scope Global
+
+            Get-GiteaConfiguration -LoadVariables -Force
+
+            (Get-Variable -Name giteaURL -Scope Global).Value | Should -Be 'https://gitea.example.com'
+            (Get-Variable -Name token -Scope Global).Value | Should -Be 'ABC123'
+        }
+
+        It 'Should not overwrite existing variables without Force' {
+            # Set initial variables
+            Set-Variable -Name giteaURL -Value 'OldURL' -Scope Global
+            Set-Variable -Name token -Value 'OldToken' -Scope Global
+
+            Get-GiteaConfiguration -LoadVariables
+
+            (Get-Variable -Name giteaURL -Scope Global).Value | Should -Be 'OldURL'
+            (Get-Variable -Name token -Scope Global).Value | Should -Be 'OldToken'
+        }
+    }
+
+    Context 'When configuration file does not exist' {
+        BeforeEach {
+            Mock -CommandName Test-Path -ModuleName PS-GiteaUtilities -MockWith { $false }
+            Mock -CommandName Write-Warning -ModuleName PS-GiteaUtilities -MockWith { }
+        }
+
+        It 'Should return null and warn the user' {
+            $result = Get-GiteaConfiguration
+
+            $result | Should -BeNullOrEmpty
+            Assert-MockCalled -CommandName Write-Warning -ModuleName PS-GiteaUtilities -Times 1
+        }
+    }
+}

PS-GiteaUtilities/Tests/Get-GiteaFileContent.Tests.ps1

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+# Get-GiteaFileContent.Tests.ps1
+
+# Import the module under test
+$modulePath = Join-Path -Path $PSScriptRoot -ChildPath '..\PS-GiteaUtilities.psm1'
+Import-Module -Name $modulePath -Force
+
+Describe 'Get-GiteaFileContent' {
+
+    Context 'When all parameters are provided' {
+        BeforeEach {
+            Mock -CommandName Invoke-RestMethod -ModuleName PS-GiteaUtilities -MockWith {
+                return @{
+                    content = [System.Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes('Hello World'))
+                    size = 11
+                    sha = 'fake-sha'
+                }
+            }
+        }
+
+        It 'Should return file content without decoding by default' {
+            $result = Get-GiteaFileContent -repoOwner 'user' -repoName 'repo' -filePath 'README.md' -token 'abc123'
+
+            $result | Should -Not -BeNullOrEmpty
+            $result.Success | Should -Be $true
+            $result.Content | Should -Be ([System.Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes('Hello World')))
+        }
+
+        It 'Should decode content when -decode is used' {
+            $result = Get-GiteaFileContent -repoOwner 'user' -repoName 'repo' -filePath 'README.md' -token 'abc123' -decode
+
+            $result | Should -Not -BeNullOrEmpty
+            $result.Success | Should -Be $true
+            $result.Content | Should -Be 'Hello World'
+        }
+    }
+
+    Context 'When missing parameters and config is loaded' {
+        BeforeEach {
+            Mock -CommandName Get-GiteaConfiguration -ModuleName PS-GiteaUtilities -MockWith {
+                return @{
+                    giteaURL = 'https://mock.gitea.com'
+                    defaultOwner = 'mockuser'
+                    defaultRepo = 'mockrepo'
+                    defaultBranch = 'main'
+                    token = 'mocktoken'
+                }
+            }
+
+            Mock -CommandName Invoke-RestMethod -ModuleName PS-GiteaUtilities -MockWith {
+                return @{
+                    content = [System.Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes('Mock Config Content'))
+                    size = 20
+                    sha = 'mock-sha'
+                }
+            }
+        }
+
+        It 'Should load configuration from Get-GiteaConfiguration if not all parameters are given' {
+            $result = Get-GiteaFileContent -filePath 'test.ps1'
+
+            $result | Should -Not -BeNullOrEmpty
+            $result.Path | Should -Be 'test.ps1'
+            $result.Content | Should -Be ([System.Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes('Mock Config Content')))
+        }
+    }
+
+    Context 'When API call fails' {
+        BeforeEach {
+            Mock -CommandName Invoke-RestMethod -ModuleName PS-GiteaUtilities -MockWith { throw "API call failed" }
+            Mock -CommandName Write-Error -ModuleName PS-GiteaUtilities -MockWith { }
+        }
+    
+        It 'Should capture error and mark result as unsuccessful' {
+            $result = Get-GiteaFileContent -repoOwner 'user' -repoName 'repo' -filePath 'badfile.ps1' -token 'abc123'
+    
+            $result.Success | Should -Be $false
+            $result.Error | Should -Match 'API call failed'
+        }
+    }
+    
+
+    Context 'Parameter validation' {
+        It 'Should throw if required parameters are missing and no config' {
+            Mock -CommandName Get-GiteaConfiguration -ModuleName PS-GiteaUtilities -MockWith { return $null }
+
+            { Get-GiteaFileContent -filePath 'something.ps1' } | Should -Throw
+        }
+    }
+
+    Context 'When decoding file content' {
+        BeforeEach {
+            # Simulate API returning Base64 content
+            Mock -CommandName Invoke-RestMethod -ModuleName PS-GiteaUtilities -MockWith {
+                return @{
+                    content = [System.Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes('Hello from API!'))
+                    size = 15
+                    sha = 'fake-sha-for-decode'
+                }
+            }
+        }
+    
+        It 'Should return base64 encoded content by default (no decode switch)' {
+            $result = Get-GiteaFileContent -repoOwner 'user' -repoName 'repo' -filePath 'testfile.txt' -token 'abc123'
+    
+            $result | Should -Not -BeNullOrEmpty
+            $result.Success | Should -Be $true
+            $result.Content | Should -Be ([System.Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes('Hello from API!')))
+        }
+    
+        It 'Should decode base64 content into plain text when -decode is used' {
+            $result = Get-GiteaFileContent -repoOwner 'user' -repoName 'repo' -filePath 'testfile.txt' -token 'abc123' -decode
+    
+            $result | Should -Not -BeNullOrEmpty
+            $result.Success | Should -Be $true
+            $result.Content | Should -Be 'Hello from API!'
+        }
+    }
+    
+}

PS-GiteaUtilities/Tests/Invoke-GiteaFileDownload.Tests.ps1

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+# Invoke-GiteaFileDownload.Tests.ps1
+
+# Import the module under test
+$modulePath = Join-Path -Path $PSScriptRoot -ChildPath '..\PS-GiteaUtilities.psm1'
+Import-Module -Name $modulePath -Force
+
+Describe 'Invoke-GiteaFileDownload' {
+
+    BeforeEach {
+        # Always mock Get-GiteaConfiguration to avoid needing real config
+        Mock -CommandName Get-GiteaConfiguration -ModuleName PS-GiteaUtilities -MockWith {
+            return @{ token = 'mocktoken' }
+        }
+
+        # Correct webClient Mock: headers, download, dispose
+        Mock -CommandName New-Object -ModuleName PS-GiteaUtilities -MockWith {
+            $headers = New-Object System.Net.WebHeaderCollection
+        
+            # Create a real object
+            $webClient = New-Object PSObject
+        
+            # Add Headers
+            Add-Member -InputObject $webClient -MemberType NoteProperty -Name Headers -Value $headers
+        
+            # Add a DownloadFile method
+            Add-Member -InputObject $webClient -MemberType ScriptMethod -Name DownloadFile -Value {
+                param($url, $path)
+                # Fake download (do nothing)
+            }
+        
+            # Add a Dispose method
+            Add-Member -InputObject $webClient -MemberType ScriptMethod -Name Dispose -Value {
+                # Fake dispose (do nothing)
+            }
+        
+            return $webClient
+        }
+        # Mock filesystem behavior
+        Mock -CommandName Test-Path -ModuleName PS-GiteaUtilities -MockWith { $false }
+        Mock -CommandName New-Item -ModuleName PS-GiteaUtilities -MockWith { }
+
+        # Clean captured download data before each test
+        $script:LastDownloadUrl = $null
+        $script:LastDownloadPath = $null
+    }
+
+    Context 'When all parameters are valid' {
+        It 'Should download a file successfully' {
+            $result = Invoke-GiteaFileDownload -downloadURL 'https://gitea.example.com/raw/path/to/file.txt' -token 'abc123'
+
+            $result | Should -Not -BeNullOrEmpty
+            $result.Success | Should -Be $true
+            $result.Path | Should -Match 'file\.txt$'
+        }
+    }
+
+    Context 'When preserving relative paths' {
+        It 'Should create a path based on filePath with PreserveRelativePath' {
+            $result = Invoke-GiteaFileDownload -downloadURL 'https://gitea.example.com/raw/path/to/file.txt' `
+                -filePath 'docs/manual/file.txt' -PreserveRelativePath -token 'abc123'
+
+            $result.Path | Should -Match 'docs[\\/]+manual[\\/]+file\.txt$'
+            $result.Success | Should -Be $true
+        }
+    }
+
+    Context 'When skipping directories' {
+        It 'Should skip items with type = dir' {
+            $result = Invoke-GiteaFileDownload -filePath 'docs/' -type 'dir' -token 'abc123'
+
+            $result.Success | Should -Be $true
+            $result.Error | Should -Match 'Skipped'
+        }
+    }
+
+    Context 'When file exists and -Force is not used' {
+        BeforeEach {
+            # Simulate file already exists
+            Mock -CommandName Test-Path -ModuleName PS-GiteaUtilities -MockWith {
+                param($Path, $PathType)
+                if ($PathType -eq 'Leaf') { return $true } else { return $false }
+            }
+            Mock -CommandName Write-Error -ModuleName PS-GiteaUtilities -MockWith { }
+        }
+
+        It 'Should not overwrite existing file without Force' {
+            $result = Invoke-GiteaFileDownload -downloadURL 'https://gitea.example.com/raw/path/to/existingfile.txt' -token 'abc123'
+
+            $result.Success | Should -Be $false
+            $result.Error | Should -Match 'already exists'
+        }
+    }
+
+    Context 'When download fails' {
+        BeforeEach {
+            Mock -CommandName New-Object -ModuleName PS-GiteaUtilities -MockWith {
+                $headers = New-Object System.Net.WebHeaderCollection
+    
+                $webClient = New-Object PSObject
+                Add-Member -InputObject $webClient -MemberType NoteProperty -Name Headers -Value $headers
+                Add-Member -InputObject $webClient -MemberType ScriptMethod -Name DownloadFile -Value {
+                    throw "Download failed intentionally"
+                }
+                Add-Member -InputObject $webClient -MemberType ScriptMethod -Name Dispose -Value {
+                    return $true
+                }
+    
+                return $webClient
+            }
+            Mock -CommandName Test-Path -ModuleName PS-GiteaUtilities -MockWith { $false }
+            Mock -CommandName New-Item -ModuleName PS-GiteaUtilities -MockWith { }
+            Mock -CommandName Write-Error -ModuleName PS-GiteaUtilities -MockWith { }
+        }
+    
+        It 'Should capture error and mark download as failed' {
+            $result = Invoke-GiteaFileDownload -downloadURL 'https://gitea.example.com/raw/path/to/badfile.txt' -token 'abc123'
+    
+            $result.Success | Should -Be $false
+            $result.Error | Should -Match 'Failed to download'
+        }
+    }
+}

PS-GiteaUtilities/Tests/Set-GiteaConfiguration.Tests.ps1

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+# Set-GiteaConfiguration.Tests.ps1
+
+Describe 'Set-GiteaConfiguration' {
+
+    BeforeAll {
+    # Import the module dynamically
+    $modulePath = Join-Path -Path $PSScriptRoot -ChildPath '..\PS-GiteaUtilities.psm1'
+    Import-Module -Name $modulePath -Force
+
+    }
+
+    Context 'Parameter Validation' {
+        It 'Should throw a MissingArgument exception if required parameters are missing' {
+            { Set-GiteaConfiguration -giteaURL -token} | Should -Throw
+        }
+    }
+    
+
+    Context 'Configuration Setup' {
+        BeforeEach {
+            Mock -CommandName Test-Path -ModuleName PS-GiteaUtilities -MockWith { $false }
+            Mock -CommandName New-Item -ModuleName PS-GiteaUtilities -MockWith { return $null }
+            Mock -CommandName Export-Clixml -ModuleName PS-GiteaUtilities -MockWith { return $null }
+        }
+    
+        It 'Should create the configuration directory if it does not exist' {
+            Set-GiteaConfiguration -giteaURL 'https://gitea.example.com' -token 'ABC123' -defaultOwner 'testuser' -defaultRepo 'testrepo'
+            
+            Assert-MockCalled -CommandName New-Item -ModuleName PS-GiteaUtilities -Times 1
+        }
+    
+        It 'Should export the configuration to an XML file' {
+            Set-GiteaConfiguration -giteaURL 'https://gitea.example.com' -token 'ABC123' -defaultOwner 'testuser' -defaultRepo 'testrepo'
+    
+            Assert-MockCalled -CommandName Export-Clixml -ModuleName PS-GiteaUtilities -Times 1
+        }
+    
+        It 'Should set defaultBranch to "main" if not specified' {
+            # Important: override the Export-Clixml mock to capture the config
+            Mock -CommandName Export-Clixml -ModuleName PS-GiteaUtilities -MockWith {
+                param($Path, $InputObject)
+                $script:CapturedConfig = $InputObject
+            }
+    
+            Set-GiteaConfiguration -giteaURL 'https://gitea.example.com' -token 'ABC123' -defaultOwner 'testuser' -defaultRepo 'testrepo'
+    
+            $script:CapturedConfig.defaultBranch | Should -Be 'main'
+        }
+    }
+    
+    Context 'When directory already exists' {
+        BeforeEach {
+            Mock -CommandName Test-Path -MockWith { $true }
+            Mock -CommandName New-Item -MockWith { throw "Should not be called" }
+            Mock -CommandName Export-Clixml -MockWith { return $null }
+        }
+
+        It 'Should not attempt to create the directory' {
+            Set-GiteaConfiguration -giteaURL 'https://gitea.example.com' -token 'ABC123' -defaultOwner 'testuser' -defaultRepo 'testrepo'
+
+            Assert-MockCalled -CommandName New-Item -Times 0
+        }
+    }
+}