spec/lib/stairs/env_adapters/rvm_spec.rb in stairs-0.9.0 vs spec/lib/stairs/env_adapters/rvm_spec.rb in stairs-0.10.0

@@ -1,50 +1,50 @@
-require "spec_helper"
+require 'spec_helper'
 
 describe Stairs::EnvAdapters::RVM do
   subject { described_class.new }
 
-  describe ".present?" do
-    before { described_class.should_receive(:`).with("which rvm") }
+  describe '.present?' do
+    before { expect(described_class).to receive(:`).with('which rvm') }
 
-    context "when rvm is installed" do
-      before { $?.stub success?: true }
+    context 'when rvm is installed' do
+      before { allow($CHILD_STATUS).to receive(:success?).and_return(true) }
 
-      it "returns true" do
-        expect(described_class.present?).to be_true
+      it 'returns true' do
+        expect(described_class.present?).to eq true
       end
     end
 
-    context "when rvm is not installed" do
-      before { $?.stub success?: false }
+    context 'when rvm is not installed' do
+      before { allow($CHILD_STATUS).to receive(:success?).and_return(false) }
 
-      it "returns true" do
-        expect(described_class.present?).to be_false
+      it 'returns true' do
+        expect(described_class.present?).to eq false
       end
     end
   end
 
-  describe "#set" do
-    it "delegates to the well tested FileMutation util" do
-      name = "VAR_NAME"
-      value = "the_value"
+  describe '#set' do
+    it 'delegates to the well tested FileMutation util' do
+      name = 'VAR_NAME'
+      value = 'the_value'
 
-      Stairs::Util::FileMutation.should_receive(:replace_or_append).with(
+      expect(Stairs::Util::FileMutation).to receive(:replace_or_append).with(
         Regexp.new("^export #{name}=(.*)$"),
         "export #{name}=#{value}",
-        ".rvmrc",
+        '.rvmrc'
       )
 
       subject.set(name, value)
     end
   end
 
-  describe "#unset" do
-    it "delegates to the well tested FileMutation util" do
-      Stairs::Util::FileMutation.should_receive(:remove).with(
+  describe '#unset' do
+    it 'delegates to the well tested FileMutation util' do
+      expect(Stairs::Util::FileMutation).to receive(:remove).with(
         Regexp.new("^export SOMETHING=(.*)\n"),
-        ".rvmrc",
+        '.rvmrc'
       )
-      subject.unset "SOMETHING"
+      subject.unset 'SOMETHING'
     end
   end
 end