82 lines
2.0 KiB
Ruby
82 lines
2.0 KiB
Ruby
require 'fileutils'
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describe Rscons do
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before(:all) do
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FileUtils.rm_rf('build_tests_run')
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@owd = Dir.pwd
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end
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after(:each) do
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Dir.chdir(@owd)
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FileUtils.rm_rf('build_tests_run')
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end
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def build_testdir
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if File.exists?("build.rb")
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system("ruby -I #{@owd}/lib -r rscons build.rb > build.out")
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end
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end
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def test_dir(build_test_directory)
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FileUtils.cp_r("build_tests/#{build_test_directory}", 'build_tests_run')
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Dir.chdir("build_tests_run")
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build_testdir
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get_build_output
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end
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def file_sub(fname)
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contents = File.read(fname)
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replaced = ''
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contents.each_line do |line|
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replaced += yield(line)
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end
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File.open(fname, 'w') do |fh|
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fh.write(replaced)
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end
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end
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def get_build_output
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File.read('build.out').lines.map(&:strip)
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end
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###########################################################################
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# Tests
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###########################################################################
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it 'builds a C program with one source file' do
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test_dir('simple')
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File.exists?('simple.o').should be_true
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`./simple`.should == "This is a simple C program\n"
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end
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it 'prints commands as they are executed' do
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lines = test_dir('simple')
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lines.should == [
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'gcc -c -o simple.o -MMD -MF simple.mf simple.c',
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'gcc -o simple simple.o',
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]
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end
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it 'prints short representations of the commands being executed' do
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lines = test_dir('header')
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lines.should == [
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'CC header.o',
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'LD header',
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]
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end
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it 'builds a C program with one source file and one header file' do
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test_dir('header')
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File.exists?('header.o').should be_true
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`./header`.should == "The value is 2\n"
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end
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it 'rebuilds a C module when a header it depends on changes' do
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test_dir('header')
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`./header`.should == "The value is 2\n"
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file_sub('header.h') {|line| line.sub(/2/, '5')}
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build_testdir
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`./header`.should == "The value is 5\n"
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end
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end
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