configuration_spec.rb in ballast-2.0.0

- old
+ new
@@ -4,31 +4,81 @@
 #
 
 require "spec_helper"
 
 describe Ballast::Configuration do
-  describe "#initialize" do
-    before(:each) do
-      expect(YAML).to receive(:load_file).with("ROOT/config/section_a.yml").and_return({"ENV" => {a: {b: 1}}, "OTHER" => {aa: 3}})
-      expect(YAML).to receive(:load_file).with("ROOT/config/section-b.yml").and_return({"ENV" => {c: {d: 2}}, "OTHER" => {cc: 4}})
+  describe ".default_root" do
+    it "should return the Rails root" do
+      stub_const("Rails", OpenStruct.new(root: "ROOT"))
+      expect(Ballast::Configuration.default_root).to eq("ROOT")
     end
 
-    it "should load a list of sections" do
-      Ballast::Configuration.new(sections: ["section_a", "section-b"], root: "ROOT", environment: "ENV")
+    it "should fallback to the current working directory" do
+      expect(Ballast::Configuration.default_root).to eq(Dir.pwd)
     end
+  end
 
-    it "should only load specific environment" do
-      subject = Ballast::Configuration.new(sections: ["section_a", "section-b"], root: "ROOT", environment: "ENV")
-      expect(subject["section_a"].keys).to eq(["a"])
-      expect(subject["section_b"].keys).to eq(["c"])
+  describe ".default_environment" do
+    it "should return the Rails environment" do
+      stub_const("Rails", OpenStruct.new(env: "RAILS-ENV"))
+      expect(Ballast::Configuration.default_environment).to eq("RAILS-ENV")
     end
 
-    it "should enable dotted access" do
-      subject = Ballast::Configuration.new(sections: ["section_a", "section-b"], root: "ROOT", environment: "ENV")
+    it "should return the Rack environment" do
+      old_env = ENV["RACK_ENV"]
+      ENV["RACK_ENV"] = "RACK-ENV"
 
-      expect(subject.section_a.a.b).to eq(1)
-      expect(subject.section_b.c).to eq({"d" => 2})
-      expect { subject.section_a.e }.to raise_error(NoMethodError)
-      expect { subject.e }.to raise_error(NoMethodError)
+      expect(Ballast::Configuration.default_environment).to eq("RACK-ENV")
+      ENV["RACK_ENV"] = old_env
+    end
+
+    it "should fallback to production" do
+      old_env = ENV["RACK_ENV"]
+      ENV["RACK_ENV"] = nil
+
+      expect(Ballast::Configuration.default_environment).to eq("production")
+      ENV["RACK_ENV"] = old_env
+    end
+  end
+
+  describe "#initialize" do
+    describe "when root and environment are defined" do
+      before(:example) do
+        expect(YAML).to receive(:load_file).with("ROOT/config/section_a.yml").and_return({"ENV" => {a: {b: 1}}, "OTHER" => {aa: 3}})
+        expect(YAML).to receive(:load_file).with("ROOT/config/section-b.yml").and_return({"ENV" => {c: {d: 2}}, "OTHER" => {cc: 4}})
+      end
+
+      it "should load a list of sections" do
+        Ballast::Configuration.new("section_a", "section-b", root: "ROOT", environment: "ENV")
+      end
+
+      it "should only load specific environment" do
+        subject = Ballast::Configuration.new("section_a", "section-b", root: "ROOT", environment: "ENV")
+        expect(subject["section_a"].keys).to eq(["a"])
+        expect(subject["section_b"].keys).to eq(["c"])
+      end
+    end
+
+    describe "when root and environment are NOT defined, it should autodetect root and environment" do
+      around(:example) do |example|
+        old_env = ENV["RACK_ENV"]
+        ENV["RACK_ENV"] = nil
+
+        example.call
+
+        ENV["RACK_ENV"] = old_env
+      end
+
+      it "should enable dotted access" do
+        expect(YAML).to receive(:load_file).with("#{Dir.pwd}/config/section_a.yml").and_return({"production" => {a: {b: 1}}, "OTHER" => {aa: 3}})
+        expect(YAML).to receive(:load_file).with("#{Dir.pwd}/config/section-b.yml").and_return({"production" => {c: {d: 2}}, "OTHER" => {cc: 4}})
+
+        subject = Ballast::Configuration.new("section_a", "section-b")
+
+        expect(subject.section_a.a.b).to eq(1)
+        expect(subject.section_b.c).to eq({"d" => 2})
+        expect { subject.section_a.e }.to raise_error(NoMethodError)
+        expect { subject.e }.to raise_error(NoMethodError)
+      end
     end
   end
 end
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