114 lines
3.4 KiB
Ruby
114 lines
3.4 KiB
Ruby
require "compilers"
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require "software_spec"
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describe CompilerSelector do
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subject { described_class.new(software_spec, versions, compilers) }
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let(:compilers) { [:clang, :gcc_4_2, :gnu] }
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let(:software_spec) { SoftwareSpec.new }
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let(:cc) { :clang }
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let(:versions) do
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double(
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gcc_4_0_build_version: Version::NULL,
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gcc_4_2_build_version: Version.create("5666"),
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llvm_build_version: Version::NULL,
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clang_build_version: Version.create("425"),
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)
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end
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before do
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allow(versions).to receive(:non_apple_gcc_version) do |name|
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case name
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when "gcc-4.8" then Version.create("4.8.1")
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when "gcc-4.7" then Version.create("4.7.1")
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else Version::NULL
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end
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end
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end
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describe "#compiler" do
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it "raises an error if no matching compiler can be found" do
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software_spec.fails_with(:clang)
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software_spec.fails_with(:gcc_4_2)
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software_spec.fails_with(gcc: "4.8")
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software_spec.fails_with(gcc: "4.7")
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expect { subject.compiler }.to raise_error(CompilerSelectionError)
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end
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it "defaults to cc" do
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expect(subject.compiler).to eq(cc)
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end
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it "returns gcc if it fails with clang" do
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software_spec.fails_with(:clang)
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expect(subject.compiler).to eq(:gcc_4_2)
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end
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it "returns clang if it fails with gcc" do
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software_spec.fails_with(:gcc_4_2)
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expect(subject.compiler).to eq(:clang)
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end
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it "returns clang if it fails with non-Apple gcc" do
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software_spec.fails_with(gcc: "4.8")
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expect(subject.compiler).to eq(:clang)
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end
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it "still returns gcc-4.8 if it fails with gcc without a specific version" do
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software_spec.fails_with(:clang)
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software_spec.fails_with(:gcc_4_2)
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expect(subject.compiler).to eq("gcc-4.8")
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end
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it "returns gcc if it fails with clang and llvm" do
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software_spec.fails_with(:clang)
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expect(subject.compiler).to eq(:gcc_4_2)
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end
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it "returns clang if it fails with gcc and llvm" do
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software_spec.fails_with(:gcc_4_2)
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expect(subject.compiler).to eq(:clang)
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end
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example "returns gcc if it fails with a specific gcc version" do
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software_spec.fails_with(:clang)
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software_spec.fails_with(gcc: "4.8")
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expect(subject.compiler).to eq(:gcc_4_2)
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end
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example "returns a lower version of gcc if it fails with the highest version" do
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software_spec.fails_with(:clang)
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software_spec.fails_with(:gcc_4_2)
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software_spec.fails_with(gcc: "4.8")
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expect(subject.compiler).to eq("gcc-4.7")
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end
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it "prefers gcc" do
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software_spec.fails_with(:clang)
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software_spec.fails_with(:gcc_4_2)
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expect(subject.compiler).to eq("gcc-4.8")
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end
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it "raises an error when gcc is missing" do
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allow(versions).to receive(:gcc_4_2_build_version).and_return(Version::NULL)
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software_spec.fails_with(:clang)
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software_spec.fails_with(gcc: "4.8")
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software_spec.fails_with(gcc: "4.7")
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expect { subject.compiler }.to raise_error(CompilerSelectionError)
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end
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it "raises an error when llvm and gcc are missing" do
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allow(versions).to receive(:gcc_4_2_build_version).and_return(Version::NULL)
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software_spec.fails_with(:clang)
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software_spec.fails_with(gcc: "4.8")
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software_spec.fails_with(gcc: "4.7")
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expect { subject.compiler }.to raise_error(CompilerSelectionError)
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end
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end
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end
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