First pass at bbl lock

1 files changed, 84 insertions, 0 deletions

diff --git a/spec/runtime/load_spec.rb b/spec/runtime/load_spec.rb
index 9b60673b..2813f1af 100644
--- a/spec/runtime/load_spec.rb
+++ b/spec/runtime/load_spec.rb
@@ -37,4 +37,88 @@ describe "Bubble.load" do
       Bubble.load("omg.rb")
     }.should raise_error(Bubble::GemfileNotFound, /omg\.rb/)
   end
+
+  describe "when locked" do
+    before :each do
+      system_gems "rack-1.0.0", "activesupport-2.3.2", "activerecord-2.3.2", "activerecord-2.3.1"
+    end
+
+    it "raises an exception if the Gemfile adds a dependency" do
+      gemfile <<-G
+        gem "rack"
+      G
+
+      bbl :lock
+
+      gemfile <<-G
+        gem "rack"
+        gem "activerecord"
+      G
+
+      lambda { Bubble.load }.should raise_error(Bubble::GemfileError)
+    end
+
+    it "raises an exception if the Gemfile removes a dependency" do
+      gemfile <<-G
+        gem "rack"
+        gem "activerecord"
+      G
+
+      bbl :lock
+
+      gemfile <<-G
+        gem "rack"
+      G
+
+      lambda { Bubble.load }.should raise_error(Bubble::GemfileError)
+    end
+
+    it "raises an exception if the Gemfile changes a dependency in an incompatible way" do
+      gemfile <<-G
+        gem "rack"
+        gem "activerecord"
+      G
+
+      bbl :lock
+
+      gemfile <<-G
+        gem "rack"
+        gem "activerecord", "2.3.1"
+      G
+
+      lambda { Bubble.load }.should raise_error(Bubble::GemfileError)
+    end
+
+    it "raises an exception if the Gemfile replaces a root with a child dep of the root" do
+      gemfile <<-G
+        gem "rack"
+        gem "activerecord"
+      G
+
+      bbl :lock
+
+      gemfile <<-G
+        gem "rack"
+        gem "activesupport"
+      G
+
+      lambda { Bubble.load }.should raise_error(Bubble::GemfileError)
+    end
+
+    it "works if the Gemfile changes in a compatible way" do
+      gemfile <<-G
+        gem "rack"
+        gem "activerecord", "2.3.2"
+      G
+
+      bbl :lock
+
+      gemfile <<-G
+        gem "rack"
+        gem "activerecord", ">= 2.0.0"
+      G
+
+      lambda { Bubble.load }.should_not raise_error(Bubble::GemfileError)
+    end
+  end
 end
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