gitlab-org--gitlab-foss/spec/lib/gitlab/webpack/manifest_spec.rb

113 lines
4.3 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
require 'json'
RSpec.describe Gitlab::Webpack::Manifest do
let(:manifest) do
<<-EOF
{
"errors": [],
"assetsByChunkName": {
"entry1": [ "entry1.js", "entry1-a.js" ],
"entry2": "entry2.js"
}
}
EOF
end
around do |example|
Gitlab::Webpack::Manifest.clear_manifest!
example.run
Gitlab::Webpack::Manifest.clear_manifest!
end
shared_examples_for "a valid manifest" do
it "returns single entry asset paths from the manifest" do
expect(Gitlab::Webpack::Manifest.asset_paths("entry2")).to eq(["/public_path/entry2.js"])
end
it "returns multiple entry asset paths from the manifest" do
expect(Gitlab::Webpack::Manifest.asset_paths("entry1")).to eq(["/public_path/entry1.js", "/public_path/entry1-a.js"])
end
it "errors on a missing entry point" do
expect { Gitlab::Webpack::Manifest.asset_paths("herp") }.to raise_error(Gitlab::Webpack::Manifest::AssetMissingError)
end
end
before do
# Test that config variables work while we're here
allow(Gitlab.config.webpack.dev_server).to receive_messages(host: 'hostname', port: 2000, https: false)
allow(Gitlab.config.webpack).to receive(:manifest_filename).and_return('my_manifest.json')
allow(Gitlab.config.webpack).to receive(:public_path).and_return('public_path')
allow(Gitlab.config.webpack).to receive(:output_dir).and_return('manifest_output')
end
context "with dev server enabled" do
before do
allow(Gitlab.config.webpack.dev_server).to receive(:enabled).and_return(true)
stub_request(:get, "http://hostname:2000/public_path/my_manifest.json").to_return(body: manifest, status: 200)
end
describe ".asset_paths" do
it_behaves_like "a valid manifest"
it "errors if we can't find the manifest" do
allow(Gitlab.config.webpack).to receive(:manifest_filename).and_return('broken.json')
stub_request(:get, "http://hostname:2000/public_path/broken.json").to_raise(SocketError)
expect { Gitlab::Webpack::Manifest.asset_paths("entry1") }.to raise_error(Gitlab::Webpack::Manifest::ManifestLoadError)
end
describe "webpack errors" do
context "when webpack has 'Module build failed' errors in its manifest" do
it "errors" do
error_manifest = Gitlab::Json.parse(manifest).merge("errors" => [
"somethingModule build failed something",
"I am an error"
]).to_json
stub_request(:get, "http://hostname:2000/public_path/my_manifest.json").to_return(body: error_manifest, status: 200)
expect { Gitlab::Webpack::Manifest.asset_paths("entry1") }.to raise_error(Gitlab::Webpack::Manifest::WebpackError)
end
end
context "when webpack does not have 'Module build failed' errors in its manifest" do
it "does not error" do
error_manifest = Gitlab::Json.parse(manifest).merge("errors" => ["something went wrong"]).to_json
stub_request(:get, "http://hostname:2000/public_path/my_manifest.json").to_return(body: error_manifest, status: 200)
expect { Gitlab::Webpack::Manifest.asset_paths("entry1") }.not_to raise_error
end
end
it "does not error if errors is present but empty" do
error_manifest = Gitlab::Json.parse(manifest).merge("errors" => []).to_json
stub_request(:get, "http://hostname:2000/public_path/my_manifest.json").to_return(body: error_manifest, status: 200)
expect { Gitlab::Webpack::Manifest.asset_paths("entry1") }.not_to raise_error
end
end
end
end
context "with dev server disabled" do
before do
allow(Gitlab.config.webpack.dev_server).to receive(:enabled).and_return(false)
stub_file_read(::Rails.root.join("manifest_output/my_manifest.json"), content: manifest)
end
describe ".asset_paths" do
it_behaves_like "a valid manifest"
it "errors if we can't find the manifest" do
allow(Gitlab.config.webpack).to receive(:manifest_filename).and_return('broken.json')
stub_file_read(::Rails.root.join("manifest_output/broken.json"), error: Errno::ENOENT)
expect { Gitlab::Webpack::Manifest.asset_paths("entry1") }.to raise_error(Gitlab::Webpack::Manifest::ManifestLoadError)
end
end
end
end