100 lines
3.5 KiB
Ruby
100 lines
3.5 KiB
Ruby
# frozen_string_literal: true
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require "utils/git_repository"
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RSpec.describe Utils do
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shared_examples "git_repository helper function" do |method_name|
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context "when directory is not a Git repository" do
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it "returns nil if `safe` parameter is `false`" do
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expect(described_class.public_send(method_name, TEST_TMPDIR, safe: false)).to be_nil
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end
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it "raises an error if `safe` parameter is `true`" do
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expect { described_class.public_send(method_name, TEST_TMPDIR, safe: true) }
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.to raise_error("Not a Git repository: #{TEST_TMPDIR}")
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end
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end
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context "when Git is unavailable" do
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before do
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allow(Utils::Git).to receive(:available?).and_return(false)
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end
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it "returns nil if `safe` parameter is `false`" do
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expect(described_class.public_send(method_name, HOMEBREW_CACHE, safe: false)).to be_nil
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end
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it "raises an error if `safe` parameter is `true`" do
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expect { described_class.public_send(method_name, HOMEBREW_CACHE, safe: true) }
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.to raise_error("Git is unavailable")
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end
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end
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end
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before do
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HOMEBREW_CACHE.cd do
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system "git", "init"
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Pathname("README.md").write("README")
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system "git", "add", "README.md"
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system "git", "commit", "-m", commit_message
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system "git", "checkout", "-b", branch_name
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end
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end
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let(:commit_message) { "File added" }
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let(:branch_name) { "test-branch" }
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let(:head_revision) { HOMEBREW_CACHE.cd { `git rev-parse HEAD`.chomp } }
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let(:short_head_revision) { HOMEBREW_CACHE.cd { `git rev-parse --short HEAD`.chomp } }
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describe "::git_head" do
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it "returns the revision at HEAD" do
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expect(described_class.git_head(HOMEBREW_CACHE)).to eq(head_revision)
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expect(described_class.git_head(HOMEBREW_CACHE, length: 5)).to eq(head_revision[0...5])
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HOMEBREW_CACHE.cd do
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expect(described_class.git_head).to eq(head_revision)
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expect(described_class.git_head(length: 5)).to eq(head_revision[0...5])
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end
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end
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include_examples "git_repository helper function", :git_head
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end
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describe "::git_short_head" do
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it "returns the short revision at HEAD" do
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expect(described_class.git_short_head(HOMEBREW_CACHE)).to eq(short_head_revision)
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expect(described_class.git_short_head(HOMEBREW_CACHE, length: 5)).to eq(head_revision[0...5])
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HOMEBREW_CACHE.cd do
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expect(described_class.git_short_head).to eq(short_head_revision)
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expect(described_class.git_short_head(length: 5)).to eq(head_revision[0...5])
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end
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end
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include_examples "git_repository helper function", :git_short_head
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end
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describe "::git_branch" do
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include_examples "git_repository helper function", :git_branch
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it "returns the current Git branch" do
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expect(described_class.git_branch(HOMEBREW_CACHE)).to eq(branch_name)
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HOMEBREW_CACHE.cd do
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expect(described_class.git_branch).to eq(branch_name)
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end
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end
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end
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describe "::git_commit_message" do
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include_examples "git_repository helper function", :git_commit_message
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it "returns the commit message of HEAD" do
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expect(described_class.git_commit_message(HOMEBREW_CACHE)).to eq(commit_message)
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expect(described_class.git_commit_message(HOMEBREW_CACHE, commit: head_revision)).to eq(commit_message)
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HOMEBREW_CACHE.cd do
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expect(described_class.git_commit_message).to eq(commit_message)
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expect(described_class.git_commit_message(commit: head_revision)).to eq(commit_message)
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end
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end
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end
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end
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