diff --git a/test/fixtures/accounts.yml b/test/fixtures/accounts.yml
index 2ee283d9..9f410649 100644
--- a/test/fixtures/accounts.yml
+++ b/test/fixtures/accounts.yml
@@ -1,11 +1,14 @@
-# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+dylan_checking:
+  family: dylan_family
+  name: Bob's Checking
+  balance: 1200
 
-one:
-  family: one
-  name: MyString
-  balance:
+dylan_roth:
+  family: dylan_family
+  name: Bob's Roth IRA
+  balance: 1200
 
-two:
-  family: two
-  name: MyString
-  balance:
+richards_savings:
+  family: richards_family
+  name: Keef's HYSA
+  balance: 1500
\ No newline at end of file
diff --git a/test/fixtures/families.yml b/test/fixtures/families.yml
index 7d412240..a6b44dc7 100644
--- a/test/fixtures/families.yml
+++ b/test/fixtures/families.yml
@@ -1,7 +1,7 @@
 # Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
 
-one:
-  name: MyString
+dylan_family:
+  name: The Dylan Family
 
-two:
-  name: MyString
+richards_family:
+  name: The Richards Family
diff --git a/test/fixtures/users.yml b/test/fixtures/users.yml
index 71809897..a8cb3766 100644
--- a/test/fixtures/users.yml
+++ b/test/fixtures/users.yml
@@ -1,15 +1,20 @@
-# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+bob:
+  family: dylan_family
+  first_name: Bob
+  last_name: Dylan
+  email: bob@bobdylan.com
+  password_digest: <%= BCrypt::Password.create('password') %>
 
-one:
-  family: one
-  first_name: MyString
-  last_name: MyString
-  email: MyString
-  password_digest: MyString
+jakob:
+  family: dylan_family
+  first_name: Jakob
+  last_name: Dylan
+  email: jakobdylan@yahoo.com
+  password_digest: <%= BCrypt::Password.create('password') %>
 
-two:
-  family: two
-  first_name: MyString
-  last_name: MyString
-  email: MyString
-  password_digest: MyString
+keith:
+  family: richards_family
+  first_name: Keith
+  last_name: Richards
+  email: keith@rollingstones.com
+  password_digest: <%= BCrypt::Password.create('password') %>
diff --git a/test/models/account_test.rb b/test/models/account_test.rb
index b6de6a15..8db20847 100644
--- a/test/models/account_test.rb
+++ b/test/models/account_test.rb
@@ -1,7 +1,11 @@
 require "test_helper"
 
 class AccountTest < ActiveSupport::TestCase
-  # test "the truth" do
-  #   assert true
-  # end
+  test "new account should be valid" do
+    depository = Account::Depository.create!
+    account = Account.create!(family: families(:dylan_family), name: "Explicit Checking", balance: 1200, accountable: depository)
+    assert account.valid?
+    assert_not_nil account.accountable_id
+    assert_not_nil account.accountable
+  end
 end
diff --git a/test/models/family_test.rb b/test/models/family_test.rb
index 5cde4991..b9597731 100644
--- a/test/models/family_test.rb
+++ b/test/models/family_test.rb
@@ -1,7 +1,28 @@
 require "test_helper"
 
 class FamilyTest < ActiveSupport::TestCase
-  # test "the truth" do
-  #   assert true
-  # end
+  def setup
+    @dylan_family = families(:dylan_family)
+  end
+
+  test "should have many users" do
+    assert_equal 2, @dylan_family.users.size
+    assert @dylan_family.users.include?(users(:bob))
+  end
+
+  test "should have many accounts" do
+    assert_equal 2, @dylan_family.accounts.size
+  end
+
+  test "should destroy dependent users" do
+    assert_difference("User.count", -@dylan_family.users.count) do
+      @dylan_family.destroy
+    end
+  end
+
+  test "should destroy dependent accounts" do
+    assert_difference("Account.count", -@dylan_family.accounts.count) do
+      @dylan_family.destroy
+    end
+  end
 end
diff --git a/test/models/user_test.rb b/test/models/user_test.rb
index 5c07f490..135d7c79 100644
--- a/test/models/user_test.rb
+++ b/test/models/user_test.rb
@@ -1,7 +1,46 @@
 require "test_helper"
 
 class UserTest < ActiveSupport::TestCase
-  # test "the truth" do
-  #   assert true
-  # end
+  def setup
+    @user = users(:bob)
+  end
+
+  test "should be valid" do
+    assert @user.valid?, @user.errors.full_messages.to_sentence
+  end
+
+  # email
+  test "email must be present" do
+    potential_user = User.new(
+      email: "david@davidbowie.com",
+      password_digest: BCrypt::Password.create("password"),
+      first_name: "David",
+      last_name: "Bowie"
+    )
+    potential_user.email = "     "
+    assert_not potential_user.valid?
+  end
+
+  test "has email address" do
+    assert_equal "bob@bobdylan.com", @user.email
+  end
+
+  test "can update email" do
+    @user.update(email: "new_email@example.com")
+    assert_equal "new_email@example.com", @user.email
+  end
+
+  test "email addresses must be unique" do
+    duplicate_user = @user.dup
+    duplicate_user.email = @user.email.upcase
+    @user.save
+    assert_not duplicate_user.valid?
+  end
+
+  test "email addresses are be saved as lower-case" do
+    mixed_case_email = "Foo@ExAMPle.CoM"
+    @user.email = mixed_case_email
+    @user.save
+    assert_equal mixed_case_email.downcase, @user.reload.email
+  end
 end