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@@ -21,7 +21,7 @@ class ForumPost < Post
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   belongs_to :topic,  :counter_cache => true
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   belongs_to :person, :counter_cache => true
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-  validates_presence_of :body, :topic, :person
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+  validates_presence_of :body, :person
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   validates_length_of :body, :maximum => MAX_TEXT_LENGTH
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   after_create :log_activity

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@@ -18,9 +18,13 @@ describe Activity do
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     destroy_should_remove_activity(@comment)
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   end
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-  it "should delete a topic activity along with its parent item" do
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+  it "should delete topic & post activities along with the parent items" do
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     @topic = Topic.create(:name => "A topic", :forum => forums(:one),
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                           :person => @person)
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+    @topic.posts.create(:body => "body", :person => @person)
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+    @topic.posts.each do |post|
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+      destroy_should_remove_activity(post)
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+    end
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     destroy_should_remove_activity(@topic)
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   end
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@@ -3,8 +3,9 @@ require File.dirname(__FILE__) + '/../spec_helper'
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 describe Topic do
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   before(:each) do
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+    @person = people(:quentin)
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     @topic = Topic.new(:name => "A topic", :forum => forums(:one),
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-                       :person => people(:quentin))
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+                       :person => @person)
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   end
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   it "should be valid" do
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@@ -22,7 +23,15 @@ describe Topic do
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   end
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   it "should have many posts" do
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-    Topic.new.posts.should be_a_kind_of(Array)
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+    @topic.posts.should be_a_kind_of(Array)
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+  end
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+  
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+  it "should destroy associated posts" do
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+    @topic.save!
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+    @topic.posts.create(:body => "body", :person => @person)
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+    # See the custom model matcher DestroyAssociated, located in
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+    # spec/matchers/custom_model_matchers.rb.
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+    @topic.should destroy_associated(:posts)
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   end
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   it "should belong to a person" do