diff --git a/bundler/spec/dependabot/bundler/file_fetcher/child_gemfile_finder_spec.rb b/bundler/spec/dependabot/bundler/file_fetcher/child_gemfile_finder_spec.rb
index 17444a5441..b3b28f06f5 100644
--- a/bundler/spec/dependabot/bundler/file_fetcher/child_gemfile_finder_spec.rb
+++ b/bundler/spec/dependabot/bundler/file_fetcher/child_gemfile_finder_spec.rb
@@ -8,28 +8,22 @@
 RSpec.describe Dependabot::Bundler::FileFetcher::ChildGemfileFinder 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 "#child_gemfile_paths" do
     subject(:child_gemfile_paths) { finder.child_gemfile_paths }
 
     context "when the file does not include any child Gemfiles" do
-      let(:gemfile_body) { fixture("ruby", "gemfiles", "Gemfile") }
+      let(:gemfile) { bundler_project_dependency_file("gemfile", filename: "Gemfile") }
       it { is_expected.to eq([]) }
     end
 
     context "when the file does include a child Gemfile" do
-      let(:gemfile_body) { fixture("ruby", "gemfiles", "eval_gemfile") }
+      let(:gemfile) { bundler_project_dependency_file("eval_gemfile_gemfile", filename: "Gemfile") }
       it { is_expected.to eq(["backend/Gemfile"]) }
 
       context "whose path must be eval-ed" do
-        let(:gemfile_body) do
-          fixture("ruby", "gemfiles", "eval_gemfile_absolute")
-        end
+        let(:gemfile) { bundler_project_dependency_file("eval_gemfile_absolute", filename: "Gemfile") }
 
         it "raises a helpful error" do
           expect { finder.child_gemfile_paths }.to raise_error do |error|
@@ -40,9 +34,7 @@
       end
 
       context "that includes a variable" do
-        let(:gemfile_body) do
-          fixture("ruby", "gemfiles", "eval_gemfile_variable")
-        end
+        let(:gemfile) { bundler_project_dependency_file("eval_gemfile_variable", filename: "Gemfile") }
 
         it "raises a helpful error" do
           expect { finder.child_gemfile_paths }.to raise_error do |error|
@@ -56,11 +48,16 @@
         let(:gemfile_body) do
           "group :development do\neval_gemfile('some_gemfile')\nend"
         end
+
+        let(:gemfile) do
+          Dependabot::DependencyFile.new(content: gemfile_body, name: "Gemfile")
+        end
+
         it { is_expected.to eq(["some_gemfile"]) }
       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.child_gemfile_paths }.to raise_error do |error|
@@ -71,8 +68,7 @@
       end
 
       context "when this Gemfile is already in a nested directory" do
-        let(:gemfile_body) { fixture("ruby", "gemfiles", "eval_gemfile") }
-        let(:gemfile_name) { "nested/Gemfile" }
+        let(:gemfile) { bundler_project_dependency_file("eval_gemfile_nested", filename: "nested/Gemfile") }
 
         it { is_expected.to eq(["nested/backend/Gemfile"]) }
       end
diff --git a/bundler/spec/fixtures/projects/bundler1/eval_gemfile_absolute/Gemfile b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_absolute/Gemfile
new file mode 100644
index 0000000000..e08aed36a1
--- /dev/null
+++ b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_absolute/Gemfile
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+source "https://rubygems.org"
+
+eval_gemfile File.expand_path('backend/Gemfile', File.dirname(__FILE__))
+
+gem "business", "~> 1.4.0"
diff --git a/bundler/spec/fixtures/projects/bundler1/eval_gemfile_absolute/Gemfile.lock b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_absolute/Gemfile.lock
new file mode 100644
index 0000000000..65d23b6c74
--- /dev/null
+++ b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_absolute/Gemfile.lock
@@ -0,0 +1,15 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    business (1.4.0)
+    statesman (1.2.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  business (~> 1.4.0)
+  statesman (~> 1.2.0)
+
+BUNDLED WITH
+   1.10.6
diff --git a/bundler/spec/fixtures/projects/bundler1/eval_gemfile_absolute/backend/Gemfile b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_absolute/backend/Gemfile
new file mode 100644
index 0000000000..be0f45dc3a
--- /dev/null
+++ b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_absolute/backend/Gemfile
@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+source "https://rubygems.org"
+
+gem "statesman", "~> 1.2.0"
diff --git a/bundler/spec/fixtures/projects/bundler1/eval_gemfile_nested/nested/Gemfile b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_nested/nested/Gemfile
new file mode 100644
index 0000000000..5febdf9583
--- /dev/null
+++ b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_nested/nested/Gemfile
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+source "https://rubygems.org"
+
+eval_gemfile('backend/Gemfile')
+
+gem "business", "~> 1.4.0"
diff --git a/bundler/spec/fixtures/projects/bundler1/eval_gemfile_nested/nested/Gemfile.lock b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_nested/nested/Gemfile.lock
new file mode 100644
index 0000000000..65d23b6c74
--- /dev/null
+++ b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_nested/nested/Gemfile.lock
@@ -0,0 +1,15 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    business (1.4.0)
+    statesman (1.2.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  business (~> 1.4.0)
+  statesman (~> 1.2.0)
+
+BUNDLED WITH
+   1.10.6
diff --git a/bundler/spec/fixtures/projects/bundler1/eval_gemfile_nested/nested/backend/Gemfile b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_nested/nested/backend/Gemfile
new file mode 100644
index 0000000000..be0f45dc3a
--- /dev/null
+++ b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_nested/nested/backend/Gemfile
@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+source "https://rubygems.org"
+
+gem "statesman", "~> 1.2.0"
diff --git a/bundler/spec/fixtures/projects/bundler1/eval_gemfile_variable/Gemfile b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_variable/Gemfile
new file mode 100644
index 0000000000..25064841bb
--- /dev/null
+++ b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_variable/Gemfile
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+source "https://rubygems.org"
+
+local_gemfile = File.dirname(__FILE__), 'backend/Gemfile'
+eval_gemfile File.join(local_gemfile)
+
+gem "business", "~> 1.4.0"
diff --git a/bundler/spec/fixtures/projects/bundler1/eval_gemfile_variable/Gemfile.lock b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_variable/Gemfile.lock
new file mode 100644
index 0000000000..65d23b6c74
--- /dev/null
+++ b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_variable/Gemfile.lock
@@ -0,0 +1,15 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    business (1.4.0)
+    statesman (1.2.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  business (~> 1.4.0)
+  statesman (~> 1.2.0)
+
+BUNDLED WITH
+   1.10.6
diff --git a/bundler/spec/fixtures/projects/bundler1/eval_gemfile_variable/backend/Gemfile b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_variable/backend/Gemfile
new file mode 100644
index 0000000000..be0f45dc3a
--- /dev/null
+++ b/bundler/spec/fixtures/projects/bundler1/eval_gemfile_variable/backend/Gemfile
@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+source "https://rubygems.org"
+
+gem "statesman", "~> 1.2.0"
diff --git a/bundler/spec/fixtures/projects/bundler1/invalid_ruby/Gemfile b/bundler/spec/fixtures/projects/bundler1/invalid_ruby/Gemfile
new file mode 100644
index 0000000000..759c9ed2e5
--- /dev/null
+++ b/bundler/spec/fixtures/projects/bundler1/invalid_ruby/Gemfile
@@ -0,0 +1,3 @@
+source 'https://rubygems.org' do
+    ruby -rubygems -e 'require "jekyll-import";
+  end