From 0fccacef83bf6fbc08368b81091b7533921dd161 Mon Sep 17 00:00:00 2001
From: Morgan Hallgren <morgan.hallgren@gmail.com>
Date: Wed, 15 Apr 2015 13:08:15 +0200
Subject: [PATCH] added spec to verify AggregateBuilder

---
 spec/aggregate_builder_spec.rb | 96 ++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)

diff --git a/spec/aggregate_builder_spec.rb b/spec/aggregate_builder_spec.rb
index e69de29..b1000c1 100644
--- a/spec/aggregate_builder_spec.rb
+++ b/spec/aggregate_builder_spec.rb
@@ -0,0 +1,96 @@
+require "spec_helper"
+
+class AnAggregate 
+  include Sandthorn::AggregateRoot
+
+  attr_reader :name
+
+  def initialize
+    @name = nil
+  end
+
+  def foo new_name
+    @name = new_name
+    record_event new_name
+  end
+end
+
+module Sandthorn
+  describe AggregateBuilder do
+    before do
+      @aggregate = AnAggregate.new.save
+    end
+    let(:builder) { AggregateBuilder.new AnAggregate }
+    let(:build) { builder.build(@aggregate.id) }
+
+    it "should return the aggregate" do
+      expect(build.id).to eql @aggregate.id
+    end
+
+    it "should have correct aggregate_version" do
+      expect(build.aggregate_current_event_version).to eql @aggregate.aggregate_current_event_version
+    end
+
+    context "build from sequence_number" do
+      before(:each) do
+        @agg = AnAggregate.new.save
+        @first_sequence_number = Sandthorn.get_aggregate_events(AnAggregate, @agg.id).first[:sequence_number]
+        @agg.foo("new_name")
+        @agg.save()
+        @second_sequence_number = Sandthorn.get_aggregate_events(AnAggregate, @agg.id).last[:sequence_number]
+        @agg.foo("new_name_last")
+        @agg.save()
+        @last_sequence_number = Sandthorn.get_aggregate_events(AnAggregate, @agg.id).last[:sequence_number]
+      end
+
+      let(:first_version) { builder.build(@agg.id, sequence_number: @first_sequence_number) }
+      let(:second_version) { builder.build(@agg.id, sequence_number: @second_sequence_number) }
+      let(:current_version) { builder.build(@agg.id, sequence_number: @last_sequence_number) }
+
+      it "should get the first version of the aggregate" do
+        expect(first_version.aggregate_current_event_version).to eql 1
+        expect(first_version.name).to be_nil
+      end
+
+      it "should get the secound version of the aggregate" do
+        expect(second_version.aggregate_current_event_version).to eql 2
+        expect(second_version.name).to eql "new_name"
+      end
+
+      it "should get the current version of the aggregate" do
+        expect(current_version.aggregate_current_event_version).to eql 3
+        expect(current_version.name).to eql "new_name_last"
+      end
+
+    end
+
+    context "build from aggregate_version" do
+      before(:each) do
+        @agg = AnAggregate.new
+        @agg.foo("new_name")
+        @agg.foo("new_name_last")
+        @agg.save()
+      end
+
+      let(:first_version) { builder.build_from_version(@agg.id, 1)}
+      let(:second_version) { builder.build_from_version(@agg.id, 2) }
+      let(:current_version) { builder.build_from_version(@agg.id, 3) }
+
+      it "should get the first version of the aggregate" do
+        expect(first_version.aggregate_current_event_version).to eql 1
+        expect(first_version.name).to be_nil
+      end
+
+      it "should get the secound version of the aggregate" do
+        expect(second_version.aggregate_current_event_version).to eql 2
+        expect(second_version.name).to eql "new_name"
+      end
+
+      it "should get the current version of the aggregate" do
+        expect(current_version.aggregate_current_event_version).to eql 3
+        expect(current_version.name).to eql "new_name_last"
+      end
+
+    end
+  end
+end
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