livereload_spec.rb in guard-livereload-2.5.0

- old
+ new

@@ -1,14 +1,30 @@
-require 'spec_helper'
+require 'guard/compat/test/helper'
 
-describe Guard::LiveReload do
+RSpec.describe Guard::LiveReload do
   let(:plugin) { Guard::LiveReload.new }
   let(:reactor) { double(Guard::LiveReload::Reactor) }
-  before { allow(plugin).to receive(:reactor) { reactor } }
 
-  describe "#initialize" do
-    describe ":host option" do
+  let(:tmp_path) { '/tmp/livereload-123' }
+  let(:snippet) { instance_double(Guard::LiveReload::Snippet, path: tmp_path) }
+
+  before do
+    allow(File).to receive(:expand_path) do |*args|
+      fail "stub called for File.expand_path(#{args.map(&:inspect) * ','})"
+    end
+
+    allow(File).to receive(:expand_path).
+      with('../../../js/livereload.js.erb', anything).
+      and_return('/foo/js/livereload.js.erb')
+
+    allow(Guard::LiveReload::Snippet).to receive(:new).and_return(snippet)
+
+    allow(plugin).to receive(:reactor) { reactor }
+  end
+
+  describe '#initialize' do
+    describe ':host option' do
       it "is '0.0.0.0' by default" do
         plugin = Guard::LiveReload.new
         expect(plugin.options[:host]).to eq '0.0.0.0'
       end
 
@@ -16,11 +32,11 @@
         plugin = Guard::LiveReload.new(host: '127.3.3.1')
         expect(plugin.options[:host]).to eq '127.3.3.1'
       end
     end
 
-    describe ":port option" do
+    describe ':port option' do
       it "is '35729' by default" do
         plugin = Guard::LiveReload.new
         expect(plugin.options[:port]).to eq '35729'
       end
 
@@ -28,86 +44,122 @@
         plugin = Guard::LiveReload.new(port: '12345')
         expect(plugin.options[:port]).to eq '12345'
       end
     end
 
-    describe ":apply_css_live option" do
-      it "is true by default" do
+    describe ':apply_css_live option' do
+      it 'is true by default' do
         plugin = Guard::LiveReload.new
         expect(plugin.options[:apply_css_live]).to be_truthy
       end
 
-      it "can be set to false" do
+      it 'can be set to false' do
         plugin = Guard::LiveReload.new(apply_css_live: false)
         expect(plugin.options[:apply_css_live]).to be_falsey
       end
     end
 
-    describe ":override_url option" do
-      it "is false by default" do
+    describe ':override_url option' do
+      it 'is false by default' do
         plugin = Guard::LiveReload.new
         expect(plugin.options[:override_url]).to be_falsey
       end
 
-      it "can be set to false" do
+      it 'can be set to false' do
         plugin = Guard::LiveReload.new(override_url: true)
         expect(plugin.options[:override_url]).to be_truthy
       end
     end
 
-    describe ":grace_period option" do
-      it "is 0 by default" do
+    describe ':grace_period option' do
+      it 'is 0 by default' do
         plugin = Guard::LiveReload.new
         expect(plugin.options[:grace_period]).to eq 0
       end
 
-      it "can be set to 0.5" do
+      it 'can be set to 0.5' do
         plugin = Guard::LiveReload.new(grace_period: 0.5)
         expect(plugin.options[:grace_period]).to eq 0.5
       end
     end
+
+    describe ':js_template option' do
+      subject { described_class.new(*args) }
+
+      context 'when no value is provided' do
+        let(:args) { [] }
+
+        it 'is set to full path to default JS' do
+          expect(subject.options[:js_template]).to eq '/foo/js/livereload.js.erb'
+        end
+
+        it 'evalutes the default snippet' do
+          expect(Guard::LiveReload::Snippet).to receive(:new).
+            with('/foo/js/livereload.js.erb', anything).and_return(snippet)
+          subject
+        end
+      end
+
+      context 'with a custom path' do
+        let(:args) { [js_template: 'foo/bar.js.erb'] }
+
+        it 'is set to the given JS' do
+          expect(subject.options[:js_template]).to eq 'foo/bar.js.erb'
+        end
+
+        it 'evalutes the provided snippet' do
+          expect(Guard::LiveReload::Snippet).to receive(:new).
+            with('foo/bar.js.erb', anything).and_return(snippet)
+          subject
+        end
+      end
+    end
   end
 
-  describe "#start" do
-    it "creates reactor with default options" do
+  describe '#start' do
+    it 'creates reactor with default options' do
       plugin = Guard::LiveReload.new
       expect(Guard::LiveReload::Reactor).to receive(:new).with(
         host:           '0.0.0.0',
         port:           '35729',
         apply_css_live: true,
         override_url:   false,
-        grace_period:  0
+        grace_period:  0,
+        js_template: '/foo/js/livereload.js.erb',
+        livereload_js_path: '/tmp/livereload-123'
       )
       plugin.start
     end
 
-    it "creates reactor with given options" do
+    it 'creates reactor with given options' do
       plugin = Guard::LiveReload.new(host: '127.3.3.1', port: '12345', apply_css_live: false, override_url: true, grace_period: 1)
       expect(Guard::LiveReload::Reactor).to receive(:new).with(
         host:           '127.3.3.1',
         port:           '12345',
         apply_css_live: false,
         override_url:   true,
-        grace_period:   1
+        grace_period:   1,
+        js_template: '/foo/js/livereload.js.erb',
+        livereload_js_path: '/tmp/livereload-123'
       )
       plugin.start
     end
   end
 
-  describe "#stop" do
-    it "stops the reactor" do
+  describe '#stop' do
+    it 'stops the reactor' do
       expect(reactor).to receive(:stop)
       plugin.stop
     end
   end
 
-  describe "#run_on_modifications" do
-    it "reloads browser" do
+  describe '#run_on_modifications' do
+    it 'reloads browser' do
       expect(reactor).to receive(:reload_browser).with(['foo'])
       plugin.run_on_modifications(['foo'])
     end
 
-    it "can wait 0.5 seconds before reloading the browser" do
+    it 'can wait 0.5 seconds before reloading the browser' do
       expect(reactor).to receive(:reload_browser).with(['foo'])
       expect(plugin).to receive(:sleep).with(0.5)
       plugin.options[:grace_period] = 0.5
       plugin.run_on_modifications(['foo'])
     end