tests/PsIoT-HT16K33.Tests.ps1
|
$ModuleManifestName = 'PsIoT-HT16K33.psd1' $ModuleManifestPath = "$PSScriptRoot\..\$ModuleManifestName" Import-Module $ModuleManifestPath Import-Module Microsoft.PowerShell.IoT Describe 'Module Manifest Tests' { It 'Passes Test-ModuleManifest' { Test-ModuleManifest -Path $ModuleManifestPath | Should Not BeNullOrEmpty $? | Should Be $true } } Describe "HT16K33 tests" { Mock -ModuleName PsIoT-HT16K33 Get-I2CDevice { return [Microsoft.PowerShell.IoT.I2CDevice]::new($null, 112, "LEDMatrix") } Mock -ModuleName PsIoT-HT16K33 Set-I2CRegister {} Mock -ModuleName PsIoT-HT16K33 Get-I2CRegister {} Context "Select default device" { Mock Clear-Ht16k33Display -ModuleName PsIoT-HT16K33 Select-Ht16k33Device It "Gets the correct device at address 0x70" { Assert-MockCalled Get-I2CDevice -Times 1 -ModuleName PsIoT-HT16K33 -ParameterFilter {$Id -eq 0x70} } It "Initializes internal Oscillator" { Assert-MockCalled Get-I2CRegister -Times 1 -ParameterFilter {$Register -eq 0x21} -ModuleName PsIoT-HT16K33 } It "Clears the Display" { Assert-MockCalled Clear-Ht16k33Display -Times 1 -ModuleName PsIoT-HT16K33 } } Context "Select custom device at address 0x71" { Mock Clear-Ht16k33Display -ModuleName PsIoT-HT16K33 Select-Ht16k33Device -DeviceAddress 0x71 It "Gets the correct device" { Assert-MockCalled Get-I2CDevice -Times 1 -ModuleName PsIoT-HT16K33 -ParameterFilter {$Id -eq 0x71} } It "Initializes internal Oscillator" { Assert-MockCalled Get-I2CRegister -Times 1 -ParameterFilter {$Register -eq 0x21} -ModuleName PsIoT-HT16K33 } It "Clears the Display" { Assert-MockCalled Clear-Ht16k33Display -Times 1 -ModuleName PsIoT-HT16K33 } } Context "Set display power on" { Set-Ht16k33Display -Power On It "Sets blinkrate off" { Assert-MockCalled Get-I2CRegister -Times 1 -ParameterFilter {$Register -eq 0x81} -ModuleName PsIot-HT16K33 } It "only sets blinkrate" { Assert-MockCalled Get-I2CRegister -Times 1 -Exactly -ModuleName PsIoT-HT16K33 } } Context "Set blinkrate off" { Set-Ht16k33Display -BlinkRate Off It "Sets blinkrate off" { Assert-MockCalled Get-I2CRegister -Times 1 -ParameterFilter {$Register -eq 0x81} -ModuleName PsIot-HT16K33 } It "only sets blinkrate" { Assert-MockCalled Get-I2CRegister -Times 1 -Exactly -ModuleName PsIot-HT16K33 } } Context "Set blinkrate 1Hz" { Set-Ht16k33Display -BlinkRate 1Hz It "Sets blinkrate 1Hz" { Assert-MockCalled Get-I2CRegister -Times 1 -ParameterFilter {$Register -eq 0x85} -ModuleName PsIot-HT16K33 } It "only sets blinkrate" { Assert-MockCalled Get-I2CRegister -Times 1 -Exactly -ModuleName PsIot-HT16K33 } } Context "Set blinkrate 2Hz" { Set-Ht16k33Display -BlinkRate 2Hz It "Sets blinkrate 2Hz" { Assert-MockCalled Get-I2CRegister -Times 1 -ParameterFilter {$Register -eq 0x87} -ModuleName PsIot-HT16K33 } It "only sets blinkrate" { Assert-MockCalled Get-I2CRegister -Times 1 -Exactly -ModuleName PsIot-HT16K33 } } Context "Set blinkrate 0.5Hz" { Set-Ht16k33Display -BlinkRate 0.5Hz It "Sets blinkrate 0.5Hz" { Assert-MockCalled Get-I2CRegister -Times 1 -ParameterFilter {$Register -eq 0x83} -ModuleName PsIot-HT16K33 } It "only sets blinkrate" { Assert-MockCalled Get-I2CRegister -Times 1 -Exactly -ModuleName PsIot-HT16K33 } } foreach ($i in 0..15) { Context "Set Brightness to $i" { Set-Ht16k33Display -Brightness $i It "sets brightness to $i" { Assert-MockCalled Get-I2CRegister -Times 1 -ParameterFilter {$Register -eq 0xe0 + $i} -ModuleName PsIot-HT16K33 } It "only sets brightness" { Assert-MockCalled Get-I2CRegister -Times 1 -Exactly -ModuleName PsIot-HT16K33 } } } Context "Turn on LEDs by x and y" { Mock Get-I2CRegister { return [PsCustomObject]@{ "Data" = 0 } } New-Variable -Name "Columns" -Value 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40 New-Variable -Name "Rows" -Value 0x0, 0x2, 0x4, 0x6, 0x8, 0xA, 0xC, 0xE foreach ($x in 0..7) { foreach ($y in 0..7) { It "Turns on $x,$y" { Set-Ht16k33LedOn $x $y Assert-MockCalled -Scope It -CommandName Set-I2CRegister -Times 1 -Exactly -ParameterFilter {$Register -eq $Rows[$x] -and $Data -eq $Columns[$y] } -ModuleName PsIot-HT16K33 } } } } Context "Turn on LEDs by Columns sprite" { $Pslogo = @( "00100000", "00100000", "00100100", "00001110", "00011111", "10111011", "10110001", "10100000" ) New-Variable -Name "Rows" -Value 0x0, 0x2, 0x4, 0x6, 0x8, 0xA, 0xC, 0xE Context "Using the -Columns parameter" { Set-Ht16k33LedOn -Columns $Pslogo $i = 0 foreach ($column in $Pslogo) { It "Turns on column $($Rows[$i]/2)" { Assert-MockCalled -ModuleName PsIoT-HT16K33 -CommandName Set-I2CRegister -Times 1 -Exactly -Scope Context -ParameterFilter {$Register -eq $Rows[$i] -and $Data -eq [convert]::toint32($column, 2)} } $i++ } } } Context "Clear the display" { Clear-Ht16k33Display New-Variable -Name "Rows" -Value 0x0, 0x2, 0x4, 0x6, 0x8, 0xA, 0xC, 0xE foreach ($column in 0..7) { It "clears column $column" { Assert-MockCalled -ModuleName PsIoT-HT16K33 -CommandName Set-I2CRegister -Times 1 -Exactly -ParameterFilter {$Register -eq $Rows[$column]} } } } } |