2 files changed, 43 insertions, 5 deletions

diff --git a/spec/pronto/eslint_spec.rb b/spec/pronto/eslint_spec.rb
index 52e52f2..a00a05b 100644
--- a/spec/pronto/eslint_spec.rb
+++ b/spec/pronto/eslint_spec.rb
@@ -100,6 +100,45 @@ module Pronto
       it 'is `eslint` by default' do
         expect(eslint_executable).to eql('eslint')
       end
+
+      context(
+        'with different eslint executable config',
+        config: { 'eslint_executable' => 'custom_eslint' }
+      ) do
+        it 'is correct' do
+          eslint.read_config
+          expect(eslint_executable).to eql('custom_eslint')
+        end
+      end
+    end
+
+    describe '#eslint_command_line' do
+      subject(:eslint_command_line) { eslint.send(:eslint_command_line, path) }
+      let(:path) { '/some/path.rb' }
+
+      it 'adds json output flag' do
+        expect(eslint_command_line).to include('-f json')
+      end
+
+      it 'adds path' do
+        expect(eslint_command_line).to include(path)
+      end
+
+      it 'starts with eslint executable' do
+        expect(eslint_command_line).to start_with(eslint.eslint_executable)
+      end
+
+      context 'with path that should be escaped' do
+        let(:path) { '/must be/$escaped' }
+
+        it 'escapes the path correctly' do
+          expect(eslint_command_line).to include('/must\\ be/\\$escaped')
+        end
+
+        it 'does not include unescaped path' do
+          expect(eslint_command_line).not_to include(path)
+        end
+      end
     end
   end
 end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index b3d8596..c05f072 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -17,10 +17,9 @@ require 'pronto/eslint_npm'
 end
 
 RSpec.shared_context 'with config', config: true do
-  requested_config = metadata[:config].to_yaml
+  requested_config = metadata[:config]
 
-  let(:config_path) { File.join(repo.path.to_s, Pronto::ESLintNpm::CONFIG_FILE) }
-
-  before(:each) { File.write(config_path, requested_config) }
-  after(:each) { FileUtils.rm(config_path) }
+  before(:each) do
+    allow_any_instance_of(Pronto::ESLintNpm).to receive(:config_options).and_return(requested_config)
+  end
 end