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require "utils/git"
describe Git do
before(:each) do
git = HOMEBREW_SHIMS_PATH/"scm/git"
HOMEBREW_CACHE.cd do
system git, "init"
File.open(file, "w") { |f| f.write("blah") }
system git, "add", HOMEBREW_CACHE/file
system git, "commit", "-m", "'File added'"
@h1 = `git rev-parse HEAD`
File.open(file, "w") { |f| f.write("brew") }
system git, "add", HOMEBREW_CACHE/file
system git, "commit", "-m", "'written to File'"
@h2 = `git rev-parse HEAD`
end
end
let(:file) { "blah.rb" }
let(:hash1) { @h1[0..6] }
let(:hash2) { @h2[0..6] }
describe "#last_revision_commit_of_file" do
it "gives last revision commit when before_commit is nil" do
expect(
described_class.last_revision_commit_of_file(HOMEBREW_CACHE, file),
).to eq(hash1)
end
it "gives revision commit based on before_commit when it is not nil" do
expect(
described_class.last_revision_commit_of_file(HOMEBREW_CACHE,
file,
before_commit: hash2),
).to eq(hash2)
end
end
describe "#last_revision_of_file" do
it "returns last revision of file" do
expect(
described_class.last_revision_of_file(HOMEBREW_CACHE,
HOMEBREW_CACHE/file),
).to eq("blah")
end
it "returns last revision of file based on before_commit" do
expect(
described_class.last_revision_of_file(HOMEBREW_CACHE, HOMEBREW_CACHE/file,
before_commit: "0..3"),
).to eq("brew")
end
end
end
describe Utils do
before(:each) do
described_class.clear_git_available_cache
end
describe "::git_available?" do
it "returns true if git --version command succeeds" do
expect(described_class.git_available?).to be_truthy
end
it "returns false if git --version command does not succeed" do
stub_const("HOMEBREW_SHIMS_PATH", HOMEBREW_PREFIX/"bin/shim")
expect(described_class.git_available?).to be_falsey
end
end
describe "::git_path" do
it "returns nil when git is not available" do
stub_const("HOMEBREW_SHIMS_PATH", HOMEBREW_PREFIX/"bin/shim")
expect(described_class.git_path).to eq(nil)
end
it "returns path of git when git is available" do
expect(described_class.git_path).to end_with("git")
end
end
describe "::git_version" do
it "returns nil when git is not available" do
stub_const("HOMEBREW_SHIMS_PATH", HOMEBREW_PREFIX/"bin/shim")
expect(described_class.git_path).to eq(nil)
end
it "returns version of git when git is available" do
expect(described_class.git_version).not_to be_nil
end
end
describe "::ensure_git_installed!" do
it "returns nil if git already available" do
expect(described_class.ensure_git_installed!).to be_nil
end
context "when git is not already available" do
before do
stub_const("HOMEBREW_SHIMS_PATH", HOMEBREW_PREFIX/"bin/shim")
end
it "can't install brewed git if homebrew/core is unavailable" do
allow_any_instance_of(Pathname).to receive(:directory?).and_return(false)
expect { described_class.ensure_git_installed! }.to raise_error("Git is unavailable")
end
it "raises error if can't install git" do
stub_const("HOMEBREW_BREW_FILE", HOMEBREW_PREFIX/"bin/brew")
expect { described_class.ensure_git_installed! }.to raise_error("Git is unavailable")
end
it "installs git" do
allow(Homebrew).to receive(:_system).with(any_args).and_return(true)
described_class.ensure_git_installed!
end
end
end
describe "::git_remote_exists" do
it "returns true when git is not available" do
stub_const("HOMEBREW_SHIMS_PATH", HOMEBREW_PREFIX/"bin/shim")
expect(described_class.git_remote_exists("blah")).to be_truthy
end
context "when git is available" do
it "returns true when git remote exists", :needs_network do
git = HOMEBREW_SHIMS_PATH/"scm/git"
url = "https://github.com/Homebrew/homebrew.github.io"
repo = HOMEBREW_CACHE/"hey"
repo.mkpath
repo.cd do
system git, "init"
system git, "remote", "add", "origin", url
end
expect(described_class.git_remote_exists(url)).to be_truthy
end
it "returns false when git remote does not exist" do
expect(described_class.git_remote_exists("blah")).to be_falsey
end
end
end
end
|
