mirror of
https://gitlab.com/jessieh/qrprinter.git
synced 2024-11-14 03:41:47 +00:00
117 lines
3.6 KiB
Lua
117 lines
3.6 KiB
Lua
-- spec/encode_string_spec.lua
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-- Specifies tests for qrprinter.encode_string functionality
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--------------------------------------------------------------------------------
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-- Disable LuaJIT compiler
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-- LuaJIT's optimizations can frob luacov's coverage reports
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require( 'jit' ).off()
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--------------------------------------------------------------------------------
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-- Module imports
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qrprinter = require( 'qrprinter' )
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--------------------------------------------------------------------------------
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-- Helper functions
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local function read_file_into_string( path )
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-- Open file at `path`
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local file = io.open( path, 'r' )
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if not file then
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error( 'Error opening file at ' .. path .. ' during test.' )
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end
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-- Read file contents
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local content = file:read( '*a' )
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-- Remove terminating newline
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local last_char = string.sub( content, -1 )
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if last_char == '\n' then
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content = string.sub( content, 1, -2 )
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end
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file:close()
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return content
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end
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--------------------------------------------------------------------------------
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-- Test context
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describe( 'qrprinter.print_qr functionality', function ()
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----------------------------------------
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-- Test-wide values
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local test_qr = qrprinter.encode_string( 'abc123' )
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----------------------------------------
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-- Replace print with mock function that returns the provided string
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setup( function()
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_G.print = function( msg )
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return msg
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end
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end )
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----------------------------------------
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-- Test definitions
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it( 'aliases print_qr to print_qr_ansi', function()
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assert.are.same( qrprinter.print_qr( test_qr ), qrprinter.print_qr_ansi( test_qr ) )
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end )
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it( 'prints QR codes using ASCII characters', function()
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local expected_output = read_file_into_string( 'spec/expected_output/print_qr_ascii.txt' )
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assert.are.same( expected_output, qrprinter.print_qr_ascii( test_qr ) )
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end )
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it( 'prints QR codes using ANSI escape sequences', function()
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local expected_output = read_file_into_string( 'spec/expected_output/print_qr_ansi.txt' )
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assert.are.same( expected_output, qrprinter.print_qr_ansi( test_qr ) )
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end )
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it( 'prints QR codes using UTF8 block sequences', function()
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local expected_output = read_file_into_string( 'spec/expected_output/print_qr_utf8.txt' )
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assert.are.same( expected_output, qrprinter.print_qr_utf8( test_qr ) )
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end )
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it( 'adjusts padding of the output when the "padding" option is provided', function()
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local padding_0_expected_output = read_file_into_string( 'spec/expected_output/print_qr_padding_0.txt' )
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local padding_3_expected_output = read_file_into_string( 'spec/expected_output/print_qr_padding_3.txt' )
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assert.are.same( padding_0_expected_output, qrprinter.print_qr( test_qr, { padding = 0 } ) )
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assert.are.same( padding_3_expected_output, qrprinter.print_qr( test_qr, { padding = 3 } ) )
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end )
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it( 'inverts the colors of the output when the "invert" option is set', function()
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local expected_output = read_file_into_string( 'spec/expected_output/print_qr_invert_true.txt' )
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assert.are.same( expected_output, qrprinter.print_qr( test_qr, { invert = true } ) )
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end )
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end )
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