Use project fixtures for PathGemspecFinder

bundler/spec/dependabot/bundler/file_fetcher/path_gemspec_finder_spec.rb

@@ -8,22 +8,17 @@
 RSpec.describe Dependabot::Bundler::FileFetcher::PathGemspecFinder do
   let(:finder) { described_class.new(gemfile: gemfile) }
 
-  let(:gemfile) do
-    Dependabot::DependencyFile.new(content: gemfile_body, name: gemfile_name)
-  end
-  let(:gemfile_name) { "Gemfile" }
-  let(:gemfile_body) { fixture("ruby", "gemfiles", "Gemfile") }
+  let(:gemfile) { bundler_project_dependency_file("gemfile", filename: "Gemfile") }
 
   describe "#path_gemspec_paths" do
     subject(:path_gemspec_paths) { finder.path_gemspec_paths }
 
     context "when the file does not include any path gemspecs" do
-      let(:gemfile_body) { fixture("ruby", "gemfiles", "Gemfile") }
       it { is_expected.to eq([]) }
     end
 
     context "with invalid Ruby in the Gemfile" do
-      let(:gemfile_body) { fixture("ruby", "gemfiles", "invalid_ruby") }
+      let(:gemfile) { bundler_project_dependency_file("invalid_ruby", filename: "Gemfile") }
 
       it "raises a helpful error" do
         expect { finder.path_gemspec_paths }.to raise_error do |error|
@@ -34,11 +29,11 @@
     end
 
     context "when the file does include a path gemspec" do
-      let(:gemfile_body) { fixture("ruby", "gemfiles", "path_source") }
+      let(:gemfile) { bundler_project_dependency_file("path_source", filename: "Gemfile") }
       it { is_expected.to eq([Pathname.new("plugins/example")]) }
 
       context "whose path must be eval-ed" do
-        let(:gemfile_body) { fixture("ruby", "gemfiles", "path_source_eval") }
+        let(:gemfile) { bundler_project_dependency_file("path_source_eval", filename: "Gemfile") }
 
         it "raises a helpful error" do
           expect { finder.path_gemspec_paths }.to raise_error do |error|
@@ -49,13 +44,15 @@
       end
 
       context "when this Gemfile is already in a nested directory" do
-        let(:gemfile_name) { "nested/Gemfile" }
+        let(:gemfile) do
+          bundler_project_dependency_file("nested_path_source", filename: "nested/Gemfile")
+        end
 
         it { is_expected.to eq([Pathname.new("nested/plugins/example")]) }
       end
 
       context "that is behind a conditional that is false" do
-        let(:gemfile_body) { fixture("ruby", "gemfiles", "path_source_if") }
+        let(:gemfile) { bundler_project_dependency_file("path_source_if", filename: "Gemfile") }
         it { is_expected.to eq([Pathname.new("plugins/example")]) }
       end
     end

bundler/spec/fixtures/projects/bundler1/nested_path_source/nested/Gemfile

@@ -0,0 +1,6 @@
+source "https://rubygems.org"
+
+gem "business", "~> 1.4.0"
+gem "statesman", "~> 1.2.0"
+gem "example", ">= 0.9.0", path: "plugins/example"
+gem "prius", git: "https://github.com/gocardless/prius"

bundler/spec/fixtures/projects/bundler1/nested_path_source/nested/Gemfile.lock

@@ -0,0 +1,30 @@
+GIT
+  remote: https://github.com/gocardless/prius
+  revision: cff701b3bfb182afc99a85657d7c9f3d6c1ccce2
+  specs:
+    prius (1.0.0)
+
+PATH
+  remote: plugins/example
+  specs:
+    example (0.9.3)
+      i18n (>= 0.3.3)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    business (1.4.0)
+    i18n (0.8.4)
+    statesman (1.2.5)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  business (~> 1.4.0)
+  example (>= 0.9.0)!
+  prius!
+  statesman (~> 1.2.0)
+
+BUNDLED WITH
+   1.15.1

bundler/spec/fixtures/projects/bundler1/nested_path_source/nested/example/example.gemspec

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+Gem::Specification.new do |spec|
+  spec.name         = "example"
+  spec.version      = "0.9.3"
+  spec.summary      = "Automated dependency management"
+  spec.description  = "Core logic for updating a GitHub repos dependencies"
+  spec.date         = "2019-08-01"
+
+  spec.author       = "Dependabot"
+  spec.email        = "support@dependabot.com"
+  spec.homepage     = "https://github.com/hmarr/example"
+  spec.license      = "MIT"
+
+  spec.require_path = Dir["lib"]
+  spec.files        = Dir["CHANGELOG.md", "LICENSE.txt", "README.md",
+                          "lib/**/*", "helpers/**/*"]
+
+  spec.required_ruby_version = ">= 2.4.0"
+  spec.required_rubygems_version = ">= 2.6.11"
+
+  spec.add_runtime_dependency "bundler", ">= 1.12.0"
+  spec.add_dependency "excon", ["~> 0.55"]
+  spec.add_dependency("gemnasium-parser", "~> 0.1")
+  spec.add_dependency "gems", "~> 1.0"
+  spec.add_dependency "gitlab", "~> 4.1"
+  spec.add_dependency "octokit", "~> 4.6"
+
+  spec.add_development_dependency "rake"
+  spec.add_development_dependency "rspec", "~> 3.5.0"
+  spec.add_development_dependency "rspec-its", "~> 1.2.0"
+  spec.add_development_dependency "rubocop", "~> 0.48.0"
+  spec.add_development_dependency "webmock", "~> 2.3.1"
+end

bundler/spec/fixtures/projects/bundler1/path_source_eval/Gemfile

@@ -0,0 +1,6 @@
+source "https://rubygems.org"
+
+gem "business", "~> 1.4.0"
+gem "statesman", "~> 1.2.0"
+gem "example", path: File.join(File.dirname(__FILE__), 'plugins/example')
+gem "prius", git: "https://github.com/gocardless/prius"

bundler/spec/fixtures/projects/bundler1/path_source_if/Gemfile

@@ -0,0 +1,11 @@
+source "https://rubygems.org"
+
+if ENV['something']
+  gem "example", path: "plugins/example"
+else
+  gem "example"
+end
+
+gem "statesman", "~> 1.2.0"
+gem "business", "~> 1.4.0"
+gem "prius", git: "https://github.com/gocardless/prius"