failing test that describes all intended behavior

test/debug.log

@@ -114,3 +114,287 @@
   SQL (0.4ms)   SELECT version FROM "schema_migrations"
   ExistentialTest::User Load (0.2ms)   SELECT * FROM "users" 
   ExistentialTest::Post Load (0.1ms)   SELECT * FROM "posts" 
+  SQL (0.2ms)   select sqlite_version(*)
+  SQL (0.4ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (2.3ms)   DROP TABLE "users"
+  SQL (1.2ms)   CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255)) 
+  SQL (0.2ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (1.0ms)   DROP TABLE "posts"
+  SQL (0.9ms)   CREATE TABLE "posts" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255), "user_id" varchar(255)) 
+  SQL (0.2ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.4ms)   SELECT version FROM "schema_migrations"
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.2ms)   select sqlite_version(*)
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (1.3ms)   DROP TABLE "users"
+  SQL (0.9ms)   CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255)) 
+  SQL (0.2ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.9ms)   DROP TABLE "posts"
+  SQL (0.9ms)   CREATE TABLE "posts" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255), "user_id" varchar(255)) 
+  SQL (0.2ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.1ms)   SELECT version FROM "schema_migrations"
+  ExistentialTest::User Create (0.5ms)   INSERT INTO "users" ("name") VALUES(NULL)
+  ExistentialTest::User Create (0.2ms)   INSERT INTO "users" ("name") VALUES(NULL)
+  ExistentialTest::Post Create (0.3ms)   INSERT INTO "posts" ("name", "user_id") VALUES(NULL, 1)
+  ExistentialTest::User Load (0.2ms)   SELECT * FROM "users" 
+  SQL (0.2ms)   select sqlite_version(*)
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (308.6ms)   DROP TABLE "users"
+  SQL (1.5ms)   CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255)) 
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (1.2ms)   DROP TABLE "posts"
+  SQL (1.2ms)   CREATE TABLE "posts" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255), "user_id" varchar(255)) 
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.2ms)   SELECT version FROM "schema_migrations"
+  ExistentialTest::User Create (0.4ms)   INSERT INTO "users" ("name") VALUES(NULL)
+  ExistentialTest::User Create (0.2ms)   INSERT INTO "users" ("name") VALUES(NULL)
+  ExistentialTest::Post Create (0.5ms)   INSERT INTO "posts" ("name", "user_id") VALUES(NULL, 1)
+  ExistentialTest::User Create (0.4ms)   INSERT INTO "users" ("name") VALUES(NULL)
+  ExistentialTest::User Create (0.3ms)   INSERT INTO "users" ("name") VALUES(NULL)
+  ExistentialTest::Post Create (0.3ms)   INSERT INTO "posts" ("name", "user_id") VALUES(NULL, 3)
+  ExistentialTest::User Load (0.3ms)   SELECT * FROM "users" 
+  SQL (0.2ms)   select sqlite_version(*)
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (1.6ms)   DROP TABLE "users"
+  SQL (1.0ms)   CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255)) 
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (1.0ms)   DROP TABLE "posts"
+  SQL (0.9ms)   CREATE TABLE "posts" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255), "user_id" varchar(255)) 
+  SQL (0.2ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.1ms)   SELECT version FROM "schema_migrations"
+  ExistentialTest::User Create (0.7ms)   INSERT INTO "users" ("name") VALUES(NULL)
+  ExistentialTest::User Create (0.5ms)   INSERT INTO "users" ("name") VALUES(NULL)
+  ExistentialTest::Post Create (0.4ms)   INSERT INTO "posts" ("name", "user_id") VALUES(NULL, 1)
+  ExistentialTest::User Create (0.4ms)   INSERT INTO "users" ("name") VALUES(NULL)
+  ExistentialTest::User Create (0.2ms)   INSERT INTO "users" ("name") VALUES(NULL)
+  ExistentialTest::Post Create (0.2ms)   INSERT INTO "posts" ("name", "user_id") VALUES(NULL, 3)
+  ExistentialTest::User Load (0.4ms)   SELECT * FROM "users" 
+  SQL (0.2ms)   select sqlite_version(*)
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (1.4ms)   DROP TABLE "users"
+  SQL (1.0ms)   CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255)) 
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (1.0ms)   DROP TABLE "posts"
+  SQL (0.9ms)   CREATE TABLE "posts" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255), "user_id" varchar(255)) 
+  SQL (0.2ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.1ms)   SELECT version FROM "schema_migrations"
+  ExistentialTest::User Create (0.4ms)   INSERT INTO "users" ("name") VALUES(NULL)
+  ExistentialTest::User Create (0.4ms)   INSERT INTO "users" ("name") VALUES(NULL)
+  ExistentialTest::Post Create (0.5ms)   INSERT INTO "posts" ("name", "user_id") VALUES(NULL, 1)
+  ExistentialTest::User Create (0.3ms)   INSERT INTO "users" ("name") VALUES(NULL)
+  ExistentialTest::User Create (0.2ms)   INSERT INTO "users" ("name") VALUES(NULL)
+  ExistentialTest::Post Create (0.2ms)   INSERT INTO "posts" ("name", "user_id") VALUES(NULL, 3)
+  ExistentialTest::User Load (0.2ms)   SELECT * FROM "users" 
+  ExistentialTest::User Load (0.2ms)   SELECT * FROM "users" 
+  SQL (0.2ms)   select sqlite_version(*)
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (182.2ms)   DROP TABLE "users"
+  SQL (1.3ms)   CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255)) 
+  SQL (0.4ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (1.3ms)   DROP TABLE "posts"
+  SQL (1.3ms)   CREATE TABLE "posts" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255), "user_id" varchar(255)) 
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.2ms)   SELECT version FROM "schema_migrations"
+  SQL (0.2ms)   select sqlite_version(*)
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (1.4ms)   DROP TABLE "users"
+  SQL (0.8ms)   CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255)) 
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.9ms)   DROP TABLE "posts"
+  SQL (0.9ms)   CREATE TABLE "posts" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255), "user_id" varchar(255)) 
+  SQL (0.2ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.1ms)   SELECT version FROM "schema_migrations"
+  ExistentialTest::User Create (0.3ms)   INSERT INTO "users" ("name") VALUES('fred')
+  ExistentialTest::User Create (0.4ms)   INSERT INTO "users" ("name") VALUES('bob')
+  ExistentialTest::Post Create (0.4ms)   INSERT INTO "posts" ("name", "user_id") VALUES('lolz', 1)
+  ExistentialTest::User Create (0.3ms)   INSERT INTO "users" ("name") VALUES('fred')
+  ExistentialTest::User Create (0.2ms)   INSERT INTO "users" ("name") VALUES('bob')
+  ExistentialTest::Post Create (0.2ms)   INSERT INTO "posts" ("name", "user_id") VALUES('lolz', 3)
+  ExistentialTest::User Load (0.3ms)   SELECT * FROM "users" 
+  ExistentialTest::User Load (0.3ms)   SELECT * FROM "users" 
+  SQL (0.2ms)   select sqlite_version(*)
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (1.3ms)   DROP TABLE "users"
+  SQL (0.9ms)   CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255)) 
+  SQL (0.2ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (1.0ms)   DROP TABLE "posts"
+  SQL (0.8ms)   CREATE TABLE "posts" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255), "user_id" varchar(255)) 
+  SQL (0.2ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.2ms)   SELECT version FROM "schema_migrations"
+  ExistentialTest::User Load (0.2ms)   SELECT * FROM "users" 
+  ExistentialTest::User Create (0.4ms)   INSERT INTO "users" ("name") VALUES('fred')
+  ExistentialTest::User Create (0.5ms)   INSERT INTO "users" ("name") VALUES('bob')
+  ExistentialTest::Post Create (0.4ms)   INSERT INTO "posts" ("name", "user_id") VALUES('lolz', 1)
+  ExistentialTest::User Load (0.2ms)   SELECT * FROM "users" 
+  ExistentialTest::User Destroy (0.2ms)   DELETE FROM "users" WHERE "id" = 1
+  ExistentialTest::User Destroy (0.2ms)   DELETE FROM "users" WHERE "id" = 2
+  ExistentialTest::User Create (0.3ms)   INSERT INTO "users" ("name") VALUES('fred')
+  ExistentialTest::User Create (0.3ms)   INSERT INTO "users" ("name") VALUES('bob')
+  ExistentialTest::Post Create (0.2ms)   INSERT INTO "posts" ("name", "user_id") VALUES('lolz', 3)
+  ExistentialTest::User Load (0.2ms)   SELECT * FROM "users" 
+  ExistentialTest::User Load (0.2ms)   SELECT * FROM "users" 
+  ExistentialTest::Post Load (0.2ms)   SELECT * FROM "posts" 
+  SQL (0.2ms)   select sqlite_version(*)
+  SQL (0.4ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (1.4ms)   DROP TABLE "users"
+  SQL (1.0ms)   CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255)) 
+  SQL (0.2ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.9ms)   DROP TABLE "posts"
+  SQL (0.9ms)   CREATE TABLE "posts" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255), "user_id" varchar(255)) 
+  SQL (0.2ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.1ms)   SELECT version FROM "schema_migrations"
+  ExistentialTest::User Load (0.2ms)   SELECT * FROM "users" 
+  ExistentialTest::Post Load (0.1ms)   SELECT * FROM "posts" 
+  ExistentialTest::User Create (0.3ms)   INSERT INTO "users" ("name") VALUES('fred')
+  ExistentialTest::User Create (0.5ms)   INSERT INTO "users" ("name") VALUES('bob')
+  ExistentialTest::Post Create (0.4ms)   INSERT INTO "posts" ("name", "user_id") VALUES('lolz', 1)
+  ExistentialTest::User Load (0.2ms)   SELECT * FROM "users" 
+  ExistentialTest::User Destroy (0.2ms)   DELETE FROM "users" WHERE "id" = 1
+  ExistentialTest::User Destroy (0.2ms)   DELETE FROM "users" WHERE "id" = 2
+  ExistentialTest::Post Load (0.2ms)   SELECT * FROM "posts" 
+  ExistentialTest::Post Destroy (0.2ms)   DELETE FROM "posts" WHERE "id" = 1
+  ExistentialTest::User Create (0.3ms)   INSERT INTO "users" ("name") VALUES('fred')
+  ExistentialTest::User Create (0.3ms)   INSERT INTO "users" ("name") VALUES('bob')
+  ExistentialTest::Post Create (0.3ms)   INSERT INTO "posts" ("name", "user_id") VALUES('lolz', 3)
+  ExistentialTest::User Load (0.2ms)   SELECT * FROM "users" 
+  ExistentialTest::User Load (0.3ms)   SELECT * FROM "users" 
+  ExistentialTest::Post Load (0.1ms)   SELECT * FROM "posts" 
+  SQL (0.2ms)   select sqlite_version(*)
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (1.5ms)   DROP TABLE "users"
+  SQL (1.0ms)   CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255)) 
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (1.0ms)   DROP TABLE "posts"
+  SQL (0.9ms)   CREATE TABLE "posts" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255), "user_id" varchar(255)) 
+  SQL (0.2ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.1ms)   SELECT version FROM "schema_migrations"
+  ExistentialTest::User Load (0.2ms)   SELECT * FROM "users" 
+  ExistentialTest::Post Load (0.1ms)   SELECT * FROM "posts" 
+  ExistentialTest::User Create (0.3ms)   INSERT INTO "users" ("name") VALUES('fred')
+  ExistentialTest::User Create (0.4ms)   INSERT INTO "users" ("name") VALUES('bob')
+  ExistentialTest::Post Create (0.3ms)   INSERT INTO "posts" ("name", "user_id") VALUES('lolz', 1)
+  ExistentialTest::User Load (0.2ms)   SELECT * FROM "users" 
+  ExistentialTest::User Destroy (0.2ms)   DELETE FROM "users" WHERE "id" = 1
+  ExistentialTest::User Destroy (0.5ms)   DELETE FROM "users" WHERE "id" = 2
+  ExistentialTest::Post Load (0.2ms)   SELECT * FROM "posts" 
+  ExistentialTest::Post Destroy (0.2ms)   DELETE FROM "posts" WHERE "id" = 1
+  ExistentialTest::User Create (0.3ms)   INSERT INTO "users" ("name") VALUES('fred')
+  ExistentialTest::User Create (0.2ms)   INSERT INTO "users" ("name") VALUES('bob')
+  ExistentialTest::Post Create (0.3ms)   INSERT INTO "posts" ("name", "user_id") VALUES('lolz', 3)
+  ExistentialTest::User Load (0.2ms)   SELECT * FROM "users" 
+  ExistentialTest::Post Load (0.3ms)   SELECT * FROM "posts" 
+  SQL (0.2ms)   select sqlite_version(*)
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (1.3ms)   DROP TABLE "users"
+  SQL (0.9ms)   CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255)) 
+  SQL (0.3ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.9ms)   DROP TABLE "posts"
+  SQL (0.9ms)   CREATE TABLE "posts" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255), "user_id" varchar(255)) 
+  SQL (0.2ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+
+  SQL (0.1ms)   SELECT version FROM "schema_migrations"
+  SQL (0.2ms)    SELECT name
+ FROM sqlite_master
+ WHERE type = 'table' AND NOT name = 'sqlite_sequence'
+

test/existential_test.rb

@@ -5,14 +5,35 @@ class ExistentialTest < Test::Unit::TestCase
   load_schema
 
   class User < ActiveRecord::Base
+    is_existential
   end
 
   class Post < ActiveRecord::Base
+    def allows_edit_for?(user)
+      if self.user_id == user.id
+        true
+      else
+        false
+      end
+    end
+  end
+
+  def setup
+    User.destroy_all
+    Post.destroy_all
+    @user = User.create(:name => "fred")
+    @other_guy = User.create(:name => "bob")
+    @post = Post.create(:name => "lolz", :user_id => @user.id)
   end
 
   def test_schema_loaded_correctly
-    assert_equal [], User.all
-    assert_equal [], Post.all
+    assert_equal 2, User.all.length
+    assert_equal 1, Post.all.length
+  end
+
+  def test_post_authorization
+    assert_false @fred.can?(:edit, @post)
+    assert @bob.can?(:edit, @post)
   end