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require "extend/ENV"
shared_examples EnvActivation do
subject { env.extend(described_class) }
let(:env) { {}.extend(EnvActivation) }
it "supports switching compilers" do
subject.clang
expect(subject["LD"]).to be nil
expect(subject["CC"]).to eq(subject["OBJC"])
end
describe "#with_build_environment" do
it "restores the environment" do
before = subject.dup
subject.with_build_environment do
subject["foo"] = "bar"
end
expect(subject["foo"]).to be nil
expect(subject).to eq(before)
end
it "ensures the environment is restored" do
before = subject.dup
expect {
subject.with_build_environment do
subject["foo"] = "bar"
raise StandardError
end
}.to raise_error(StandardError)
expect(subject["foo"]).to be nil
expect(subject).to eq(before)
end
it "returns the value of the block" do
expect(subject.with_build_environment { 1 }).to eq(1)
end
it "does not mutate the interface" do
expected = subject.methods
subject.with_build_environment do
expect(subject.methods).to eq(expected)
end
expect(subject.methods).to eq(expected)
end
end
describe "#append" do
it "appends to an existing key" do
subject["foo"] = "bar"
subject.append "foo", "1"
expect(subject["foo"]).to eq("bar 1")
end
it "appends to an existing empty key" do
subject["foo"] = ""
subject.append "foo", "1"
expect(subject["foo"]).to eq("1")
end
it "appends to a non-existant key" do
subject.append "foo", "1"
expect(subject["foo"]).to eq("1")
end
# NOTE: this may be a wrong behavior; we should probably reject objects that
# do not respond to #to_str. For now this documents existing behavior.
it "coerces a value to a string" do
subject.append "foo", 42
expect(subject["foo"]).to eq("42")
end
end
describe "#prepend" do
it "prepends to an existing key" do
subject["foo"] = "bar"
subject.prepend "foo", "1"
expect(subject["foo"]).to eq("1 bar")
end
it "prepends to an existing empty key" do
subject["foo"] = ""
subject.prepend "foo", "1"
expect(subject["foo"]).to eq("1")
end
it "prepends to a non-existant key" do
subject.prepend "foo", "1"
expect(subject["foo"]).to eq("1")
end
# NOTE: this may be a wrong behavior; we should probably reject objects that
# do not respond to #to_str. For now this documents existing behavior.
it "coerces a value to a string" do
subject.prepend "foo", 42
expect(subject["foo"]).to eq("42")
end
end
describe "#append_path" do
it "appends to a path" do
subject.append_path "FOO", "/usr/bin"
expect(subject["FOO"]).to eq("/usr/bin")
subject.append_path "FOO", "/bin"
expect(subject["FOO"]).to eq("/usr/bin#{File::PATH_SEPARATOR}/bin")
end
end
describe "#prepend_path" do
it "prepends to a path" do
subject.prepend_path "FOO", "/usr/libexec"
expect(subject["FOO"]).to eq("/usr/libexec")
subject.prepend_path "FOO", "/usr"
expect(subject["FOO"]).to eq("/usr#{File::PATH_SEPARATOR}/usr/libexec")
end
end
describe "#compiler" do
it "allows switching compilers" do
[:clang, :gcc_4_2, :gcc_4_0].each do |compiler|
subject.public_send(compiler)
expect(subject.compiler).to eq(compiler)
end
end
end
example "deparallelize_block_form_restores_makeflags" do
subject["MAKEFLAGS"] = "-j4"
subject.deparallelize do
expect(subject["MAKEFLAGS"]).to be nil
end
expect(subject["MAKEFLAGS"]).to eq("-j4")
end
describe "#clear_sensitive_environment!" do
it "removes sensitive environment variables" do
subject["SECRET_TOKEN"] = "password"
subject.clear_sensitive_environment!
expect(subject).not_to include("SECRET_TOKEN")
end
it "leaves non-sensitive environment variables alone" do
subject["FOO"] = "bar"
subject.clear_sensitive_environment!
expect(subject["FOO"]).to eq "bar"
end
end
end
describe Stdenv do
include_examples EnvActivation
end
describe Superenv do
include_examples EnvActivation
it "initializes deps" do
expect(subject.deps).to eq([])
expect(subject.keg_only_deps).to eq([])
end
describe "#cxx11" do
it "raises an error when the compiler isn't supported" do
%w[gcc gcc-4.7].each do |compiler|
subject["HOMEBREW_CC"] = compiler
expect { subject.cxx11 }
.to raise_error(/The selected compiler doesn't support C\+\+11:/)
expect(subject["HOMEBREW_CCCFG"]).to be nil
end
end
it "supports gcc-5" do
subject["HOMEBREW_CC"] = "gcc-5"
subject.cxx11
expect(subject["HOMEBREW_CCCFG"]).to include("x")
end
example "supports gcc-6" do
subject["HOMEBREW_CC"] = "gcc-6"
subject.cxx11
expect(subject["HOMEBREW_CCCFG"]).to include("x")
end
it "supports clang" do
subject["HOMEBREW_CC"] = "clang"
subject.cxx11
expect(subject["HOMEBREW_CCCFG"]).to include("x")
expect(subject["HOMEBREW_CCCFG"]).to include("g")
end
end
end
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