126 lines
2.6 KiB
Ruby
126 lines
2.6 KiB
Ruby
require 'testing_env'
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require 'compilers'
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class CompilerSelectorTests < Homebrew::TestCase
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class Double
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attr_reader :name
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def initialize
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@failures = []
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@name = "double"
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end
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def <<(cc)
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@failures << cc
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end
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def fails_with?(cc)
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return false if cc.nil?
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@failures.include?(cc.name)
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end
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end
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class CompilerVersions
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attr_accessor :gcc_4_0_build_version, :gcc_build_version,
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:llvm_build_version, :clang_build_version
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def initialize(versions={})
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{
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:gcc_4_0_build_version => nil,
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:gcc_build_version => 5666,
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:llvm_build_version => 2336,
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:clang_build_version => 425,
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}.merge(versions).each { |k, v| instance_variable_set("@#{k}", v) }
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end
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def non_apple_gcc_version(name)
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name == "gcc-4.8" ? "4.8.1" : nil
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end
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end
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def setup
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@f = Double.new
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@cc = :clang
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@versions = CompilerVersions.new
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end
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def actual_cc
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CompilerSelector.new(@f, @versions).compiler
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end
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def test_all_compiler_failures
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@f << :clang << :llvm << :gcc << 'gcc-4.8'
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assert_raise(CompilerSelectionError) { actual_cc }
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end
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def test_no_compiler_failures
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assert_equal @cc, actual_cc
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end
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def test_fails_with_clang
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@f << :clang
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assert_equal :gcc, actual_cc
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end
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def test_fails_with_llvm
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@f << :llvm
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assert_equal :clang, actual_cc
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end
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def test_fails_with_gcc
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@f << :gcc
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assert_equal :clang, actual_cc
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end
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def test_fails_with_non_apple_gcc
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@f << "gcc-4.8"
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assert_equal :clang, actual_cc
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end
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def test_mixed_failures_1
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@f << :clang << :llvm
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assert_equal :gcc, actual_cc
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end
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def test_mixed_failures_2
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@f << :gcc << :clang << 'gcc-4.8'
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assert_equal :llvm, actual_cc
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end
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def test_mixed_failures_3
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@f << :llvm << :gcc
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assert_equal :clang, actual_cc
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end
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def test_mixed_failures_4
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@f << :clang << "gcc-4.8"
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assert_equal :gcc, actual_cc
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end
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def test_older_clang_precedence
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@versions = CompilerVersions.new(:clang_build_version => 211)
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@f << :gcc << 'gcc-4.8'
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assert_equal :llvm, actual_cc
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end
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def test_llvm_precedence
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@f << :clang << :gcc
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assert_equal :llvm, actual_cc
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end
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def test_missing_gcc
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@versions = CompilerVersions.new( :gcc_build_version => nil)
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@f << :clang << :llvm << 'gcc-4.8'
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assert_raise(CompilerSelectionError) { actual_cc }
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end
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def test_missing_llvm_and_gcc
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@versions = CompilerVersions.new(
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:gcc_build_version => nil,
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:llvm_build_version => nil
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)
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@f << :clang << 'gcc-4.8'
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assert_raise(CompilerSelectionError) { actual_cc }
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end
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end
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