diff --git a/app/__init__.py b/app/__init__.py
index 1c821436..880ce7b8 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -10,15 +10,21 @@
 load_dotenv()
 
 
-def create_app():
+def create_app(test_config=None):
     app = Flask(__name__)
     app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
 
-    app.config["SQLALCHEMY_DATABASE_URI"] = os.environ.get(
+    if test_config:
+        app.config["TESTING"] = True
+        app.config["SQLALCHEMY_DATABASE_URI"] = os.environ.get(
+        "SQLALCHEMY_TEST_DATABASE_URI")
+    else:
+        app.config["SQLALCHEMY_DATABASE_URI"] = os.environ.get(
         "SQLALCHEMY_DATABASE_URI")
 
     # Import models here for Alembic setup
-    # from app.models.ExampleModel import ExampleModel
+    from app.models.board import Board
+    from app.models.card import Card
 
     db.init_app(app)
     migrate.init_app(app, db)
@@ -26,6 +32,11 @@ def create_app():
     # Register Blueprints here
     # from .routes import example_bp
     # app.register_blueprint(example_bp)
+    from .routes.board_routes import board_bp
+    app.register_blueprint(board_bp)
+
+    from .routes.card_routes import card_bp
+    app.register_blueprint(card_bp)
 
     CORS(app)
     return app
diff --git a/app/models/board.py b/app/models/board.py
index 147eb748..bc99cf54 100644
--- a/app/models/board.py
+++ b/app/models/board.py
@@ -1 +1,27 @@
 from app import db
+
+class Board(db.Model):
+    board_id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    title = db.Column(db.String)
+    owner = db.Column(db.String)
+    cards = db.relationship("Card", back_populates="board", lazy=True)
+
+
+    def to_dict(self):
+        board_data = {
+            "board_id": self.board_id,
+            "title": self.title,
+            "owner": self.owner
+        }
+        if self.cards:
+            board_data["card_count"] = len(self.cards)
+        return board_data
+    
+    @classmethod
+    def from_dict(cls, board_data):
+        new_board = Board(
+            title=board_data["title"],
+            owner=board_data["owner"]
+        )
+        return new_board
+    
\ No newline at end of file
diff --git a/app/models/card.py b/app/models/card.py
index 147eb748..8dc2b451 100644
--- a/app/models/card.py
+++ b/app/models/card.py
@@ -1 +1,30 @@
 from app import db
+from .board import Board
+from app.routes.routes_helpers import validate_model
+
+class Card(db.Model):
+    card_id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    message = db.Column(db.String)
+    likes_count = db.Column(db.Integer)
+    board = db.relationship("Board", back_populates="cards")
+    board_id = db.Column(db.Integer, db.ForeignKey('board.board_id'))
+
+
+    def to_dict(self):
+        card_data = {
+            "card_id": self.card_id,
+            "message": self.message,
+            "likes_count": self.likes_count
+        }
+        if self.board:
+            card_data["board_id"] = self.board_id
+        return card_data
+    
+    @classmethod
+    def from_dict(cls, card_data):
+        new_card = Card(
+            message=card_data["message"],
+            likes_count=card_data["likes_count"],
+            board=validate_model(Board, card_data.get("board_id"))
+        )
+        return new_card
\ No newline at end of file
diff --git a/app/routes.py b/app/routes.py
deleted file mode 100644
index 480b8c4b..00000000
--- a/app/routes.py
+++ /dev/null
@@ -1,4 +0,0 @@
-from flask import Blueprint, request, jsonify, make_response
-from app import db
-
-# example_bp = Blueprint('example_bp', __name__)
diff --git a/app/routes/__init__.py b/app/routes/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/app/routes/board_routes.py b/app/routes/board_routes.py
new file mode 100644
index 00000000..0c449e0f
--- /dev/null
+++ b/app/routes/board_routes.py
@@ -0,0 +1,64 @@
+from flask import Blueprint, request, jsonify, make_response, abort
+from app import db
+from app.models.board import Board
+from app.models.card import Card
+from .routes_helpers import validate_model
+
+# example_bp = Blueprint('example_bp', __name__)
+board_bp = Blueprint("boards", __name__, url_prefix="/boards")
+
+@board_bp.route("", methods=["GET"])
+def get_all_boards():
+    boards = Board.query.all()
+    boards_response = [board.to_dict() for board in boards]
+    return make_response(jsonify(boards_response), 200)
+
+@board_bp.route("", methods=["POST"])
+def create_board():
+    request_body = request.get_json()
+    try:
+        new_board = Board.from_dict(request_body)
+    except KeyError:
+        abort(make_response(jsonify({"details": "Invalid data"}), 400))
+
+    db.session.add(new_board)
+    db.session.commit()
+
+    return make_response(jsonify(new_board.to_dict()), 201)
+
+
+@board_bp.route("/<board_id>", methods=["GET"])
+def read_one_board(board_id):
+    board = validate_model(Board, board_id)
+    return make_response(jsonify({"board": board.to_dict()}), 200)
+
+
+# GET ALL CARDS FOR BOARD
+@board_bp.route("/<id>/cards", methods=["GET"])
+def get_board_cards(id):
+    board = validate_model(Board, id)
+    # just a list of cards, not all the board data
+    card_response = [card.to_dict() for card in board.cards]
+    return make_response(jsonify(card_response))
+
+# create a route to add new card for selected board
+@board_bp.route("/<id>/cards", methods=["POST"])
+def create_card(id):
+    request_body = request.get_json()
+    request_body["board_id"] = id
+
+    # need to add char count feedback
+    try:
+        new_card = Card.from_dict(request_body)
+    except KeyError:
+        abort(make_response(jsonify({"details": "Invalid data"}), 400))
+    
+    if len(new_card.message) > 40:
+        abort(make_response(jsonify({
+            "details": "Message should be 40 characters or less."
+            }), 400))
+
+    db.session.add(new_card)
+    db.session.commit()
+
+    return make_response(jsonify(new_card.to_dict()), 201)
diff --git a/app/routes/card_routes.py b/app/routes/card_routes.py
new file mode 100644
index 00000000..cb14be21
--- /dev/null
+++ b/app/routes/card_routes.py
@@ -0,0 +1,50 @@
+from flask import Blueprint, request, jsonify, make_response, abort
+from app import db
+from app.models.card import Card
+from .routes_helpers import validate_model
+
+# example_bp = Blueprint('example_bp', __name__)
+card_bp = Blueprint("cards", __name__, url_prefix="/cards")
+
+
+@card_bp.route("/<id>", methods=["DELETE"])
+def delete_one_card(id):
+    card = validate_model(Card, id)
+
+    db.session.delete(card)
+    db.session.commit()
+    return make_response(jsonify({"details": f'Card {card.card_id} successfully deleted'}), 200)
+
+# ADD LIKE TO CARD
+@card_bp.route("/<id>/add_like", methods=["PATCH"])
+def add_like(id):
+    card = validate_model(Card, id)
+
+    card.likes_count += 1
+    db.session.commit()
+
+    return make_response(jsonify({"card_like_count": card.likes_count}), 200)
+
+
+# create a route to add new card for selected board
+@card_bp.route("", methods=["POST"])
+def create_card():
+    request_body = request.get_json()
+
+    try:
+        new_card = Card.from_dict(request_body)
+    except KeyError:
+        abort(make_response(jsonify({"details": "Invalid data"}), 400))
+
+    db.session.add(new_card)
+    db.session.commit()
+
+    return make_response(jsonify(new_card.to_dict()), 201)
+
+# create a route to view all cards for selected board
+@card_bp.route("", methods=["GET"])
+def get_all_cards():
+    cards = Card.query.all()
+    cards_response = [card.to_dict() for card in cards]
+    return make_response(jsonify(cards_response), 200)
+
diff --git a/app/routes/routes_helpers.py b/app/routes/routes_helpers.py
new file mode 100644
index 00000000..a0fdec47
--- /dev/null
+++ b/app/routes/routes_helpers.py
@@ -0,0 +1,15 @@
+from flask import abort, make_response
+
+
+def validate_model(cls, id):
+    try:
+        id = int(id)
+    except:
+        abort(make_response({"message": f"{id} is invalid"}, 400))
+
+    model = cls.query.get(id)
+
+    if not model:
+        abort(make_response({"message": f"{cls.__name__} with id {id} was not found."}, 404))
+
+    return model 
\ No newline at end of file
diff --git a/migrations/README b/migrations/README
new file mode 100644
index 00000000..98e4f9c4
--- /dev/null
+++ b/migrations/README
@@ -0,0 +1 @@
+Generic single-database configuration.
\ No newline at end of file
diff --git a/migrations/alembic.ini b/migrations/alembic.ini
new file mode 100644
index 00000000..f8ed4801
--- /dev/null
+++ b/migrations/alembic.ini
@@ -0,0 +1,45 @@
+# A generic, single database configuration.
+
+[alembic]
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S
diff --git a/migrations/env.py b/migrations/env.py
new file mode 100644
index 00000000..8b3fb335
--- /dev/null
+++ b/migrations/env.py
@@ -0,0 +1,96 @@
+from __future__ import with_statement
+
+import logging
+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+from flask import current_app
+
+from alembic import context
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+logger = logging.getLogger('alembic.env')
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+config.set_main_option(
+    'sqlalchemy.url',
+    str(current_app.extensions['migrate'].db.engine.url).replace('%', '%%'))
+target_metadata = current_app.extensions['migrate'].db.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url, target_metadata=target_metadata, literal_binds=True
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+
+    # this callback is used to prevent an auto-migration from being generated
+    # when there are no changes to the schema
+    # reference: http://alembic.zzzcomputing.com/en/latest/cookbook.html
+    def process_revision_directives(context, revision, directives):
+        if getattr(config.cmd_opts, 'autogenerate', False):
+            script = directives[0]
+            if script.upgrade_ops.is_empty():
+                directives[:] = []
+                logger.info('No changes in schema detected.')
+
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section),
+        prefix='sqlalchemy.',
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=target_metadata,
+            process_revision_directives=process_revision_directives,
+            **current_app.extensions['migrate'].configure_args
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()
diff --git a/migrations/script.py.mako b/migrations/script.py.mako
new file mode 100644
index 00000000..2c015630
--- /dev/null
+++ b/migrations/script.py.mako
@@ -0,0 +1,24 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}
diff --git a/migrations/versions/08b5d478a132_adds_board_and_card_models.py b/migrations/versions/08b5d478a132_adds_board_and_card_models.py
new file mode 100644
index 00000000..06dac9b3
--- /dev/null
+++ b/migrations/versions/08b5d478a132_adds_board_and_card_models.py
@@ -0,0 +1,40 @@
+"""adds Board and Card models
+
+Revision ID: 08b5d478a132
+Revises: 
+Create Date: 2023-06-26 15:43:40.505384
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '08b5d478a132'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('board',
+    sa.Column('board_id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('title', sa.String(), nullable=True),
+    sa.Column('owner', sa.String(), nullable=True),
+    sa.PrimaryKeyConstraint('board_id')
+    )
+    op.create_table('card',
+    sa.Column('card_id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('message', sa.String(), nullable=True),
+    sa.Column('likes_count', sa.Integer(), nullable=True),
+    sa.PrimaryKeyConstraint('card_id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('card')
+    op.drop_table('board')
+    # ### end Alembic commands ###
diff --git a/migrations/versions/9c35416d0d3a_connect_card_and_board_models.py b/migrations/versions/9c35416d0d3a_connect_card_and_board_models.py
new file mode 100644
index 00000000..2336f479
--- /dev/null
+++ b/migrations/versions/9c35416d0d3a_connect_card_and_board_models.py
@@ -0,0 +1,30 @@
+"""connect Card and Board models
+
+Revision ID: 9c35416d0d3a
+Revises: 08b5d478a132
+Create Date: 2023-06-28 13:29:49.922036
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '9c35416d0d3a'
+down_revision = '08b5d478a132'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('card', sa.Column('board_id', sa.Integer(), nullable=True))
+    op.create_foreign_key(None, 'card', 'board', ['board_id'], ['board_id'])
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'card', type_='foreignkey')
+    op.drop_column('card', 'board_id')
+    # ### end Alembic commands ###
diff --git a/requirements.txt b/requirements.txt
index 76f1f000..4e8f4ac3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 alembic==1.5.4
 attrs==21.2.0
 autopep8==1.5.5
+blinker==1.6.2
 certifi==2020.12.5
 chardet==4.0.0
 click==7.1.2
@@ -29,5 +30,6 @@ requests==2.25.1
 six==1.15.0
 SQLAlchemy==1.3.23
 toml==0.10.2
+tomli==2.0.1
 urllib3==1.26.4
 Werkzeug==1.0.1
diff --git a/seed.py b/seed.py
new file mode 100644
index 00000000..a91bb9c3
--- /dev/null
+++ b/seed.py
@@ -0,0 +1,37 @@
+from app import create_app, db
+from app.models.board import Board
+from app.models.card import Card
+
+my_app = create_app()
+
+with my_app.app_context():
+    db.session.add(Card(message = "A New Card", likes_count = 0, board_id = 1)) 
+    db.session.add(Card(message = "A Newer Card", likes_count = 1, board_id = 1)) 
+    db.session.add(Card(message = "A Cool Card", likes_count = 0, board_id = 2)) 
+    db.session.add(Card(message = "A Cooler Card", likes_count = 2, board_id = 2)) 
+    db.session.add(Card(message = "A Neat Card", likes_count = 0, board_id = 3)) 
+    db.session.add(Card(message = "An Awesome Card", likes_count = 3, board_id = 3)) 
+    db.session.add(Card(message = "An Uncreative Card", likes_count = 0, board_id = 4)) 
+    db.session.add(Card(message = "An Old Card", likes_count = 4, board_id = 4)) 
+
+    db.session.add(Board(title = "Do Something", owner = "Alycia")) 
+    db.session.add(Board(title = "Do Something Else", owner = "Alycia")) 
+    db.session.add(Board(title = "Do Something More", owner = "Alycia")) 
+    db.session.add(Board(title = "Do Something New", owner = "Alycia")) 
+
+    db.session.add(Board(title = "Say Something", owner = "Barbara")) 
+    db.session.add(Board(title = "Say Something Else", owner = "Barbara")) 
+    db.session.add(Board(title = "Say Something More", owner = "Barbara")) 
+    db.session.add(Board(title = "Say Something New", owner = "Barbara")) 
+
+    db.session.add(Board(title = "Be Something", owner = "Danqing")) 
+    db.session.add(Board(title = "Be Something Else", owner = "Danqing")) 
+    db.session.add(Board(title = "Be Something More", owner = "Danqing")) 
+    db.session.add(Board(title = "Be Something New", owner = "Danqing")) 
+
+    db.session.add(Board(title = "Want Something", owner = "Doris")) 
+    db.session.add(Board(title = "Want Something Else", owner = "Doris")) 
+    db.session.add(Board(title = "Want Something More", owner = "Doris")) 
+    db.session.add(Board(title = "Want Something New", owner = "Doris")) 
+    
+    db.session.commit()
\ No newline at end of file
diff --git a/tests/conftest.py b/tests/conftest.py
index 2b7296d5..56941861 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,6 +1,9 @@
 import pytest
 from app import create_app
 from app import db
+from flask.signals import request_finished
+from app.models.card import Card
+from app.models.board import Board
 
 
 @pytest.fixture
@@ -8,6 +11,10 @@ def app():
     # create the app with a test config dictionary
     app = create_app({"TESTING": True})
 
+    @request_finished.connect_via(app)
+    def expire_session(sender, response, **extra):
+        db.session.remove()
+
     with app.app_context():
         db.create_all()
         yield app
@@ -20,3 +27,54 @@ def app():
 @pytest.fixture
 def client(app):
     return app.test_client()
+
+@pytest.fixture
+def one_board(app):
+    new_board = Board(title = "Do Something", owner = "Alycia")
+    db.session.add(new_board)
+    db.session.commit()
+
+@pytest.fixture
+def one_card(app):
+    new_board = Board(title = "Do Something", owner = "Alycia")
+    db.session.add(new_board)
+    db.session.commit()
+
+    new_card = Card(
+        message = "A New Card", likes_count = 0, board_id = 1)
+    db.session.add(new_card)
+    db.session.commit()
+
+@pytest.fixture
+def four_boards(app):
+    board1 = Board(title="Board 1", owner="Doris")
+    board2 = Board(title="Board 2", owner="Danqing")
+    board3 = Board(title="Board 3", owner="Alycia")
+    board4 = Board(title="Board 4", owner="Barbara")
+    
+    boards = [board1, board2, board3, board4]
+
+    for board in boards:
+        db.session.add(board)
+        db.session.commit()
+
+@pytest.fixture
+def two_boards_with_cards(app):
+    boards = [
+        Board(title="Board with Card", owner="Cardboard"),
+        Board(title="Board with Cards Too", owner="Inspired")
+    ]
+
+    for board in boards:
+        db.session.add(board)
+        db.session.commit()
+
+    cards = [
+        Card(message="Cardboard owns this", likes_count=0, board_id=1),
+        Card(message="Inspired owns this", likes_count=0, board_id=2),
+        Card(message="Cardboard made this", likes_count=4, board_id=1),
+    ]
+
+    for card in cards:
+        db.session.add(card)
+        db.session.commit()
diff --git a/tests/test_routes.py b/tests/test_routes.py
index e69de29b..3a29fbaf 100644
--- a/tests/test_routes.py
+++ b/tests/test_routes.py
@@ -0,0 +1,185 @@
+import unittest
+from unittest.mock import Mock, patch
+from app.models.card import Card
+import pytest
+
+
+from app.models.board import Board
+import pytest
+
+
+def test_create_board(client):
+    response = client.post("/boards", json={
+        "title": "New Board",
+        "owner": "John Doe"
+    })
+    response_body = response.get_json()
+
+    assert response.status_code == 201
+    assert "board_id" in response_body
+    assert response_body["title"] == "New Board"
+    assert response_body["owner"] == "John Doe"
+
+def test_create_board_missing_data(client):
+    response = client.post("/boards", json={
+        "title": "New Board"
+    })
+    response_body = response.get_json()
+
+    assert response.status_code == 400
+    assert response_body == {
+        "details": "Invalid data"
+    }
+
+
+def test_add_like_existing_card(client, one_card):
+    # Arrange
+    likes_count = 1
+
+    # Act
+    response = client.patch("/cards/1/add_like")
+    response_body = response.get_json()
+
+    # Assert
+    assert response.status_code == 200
+    assert response_body == {"card_like_count": likes_count}
+    assert Card.query.get(1).likes_count == likes_count
+
+
+def test_add_like_missing_card(client):
+    # Act
+    response = client.patch("/cards/1/add_like")
+    response_body = response.get_json()
+
+    # Assert
+    assert response.status_code == 404
+
+    # raise Exception("Complete test with assertion about response body")
+    assert response_body == {
+        "message": "Card with id 1 was not found."
+    }
+
+
+
+def test_get_board(client, one_board):
+    response = client.get("/boards/1")
+    response_body = response.get_json()
+
+    assert response.status_code == 200
+    assert "board" in response_body
+    assert response_body == {'board': 
+                             {'board_id': 1, 'owner': 'Alycia', 'title': 'Do Something'}
+                             }
+
+def test_get_board_not_found(client):
+    response = client.get("/boards/1")
+    response_body = response.get_json()
+
+    assert response.status_code == 404
+    assert response_body == {'message': 'Board with id 1 was not found.'}
+
+def test_delete_one_card(client, one_card):
+    response = client.delete("/cards/1")
+    response_body = response.get_json()
+    print(response_body)
+
+    assert response.status_code == 200
+    assert response_body == {"details": "Card 1 successfully deleted"}
+
+def test_delete_invalid_card(client, one_card):
+    response = client.delete("/cards/hellothere")
+    response_body = response.get_json()
+
+    assert response.status_code == 400
+    assert response_body == {"message": f"hellothere is invalid"}
+
+def test_delete_nonexisting_card(client, one_card):
+    response = client.delete("/cards/59303594")
+    response_body = response.get_json()
+
+    assert response.status_code == 404
+    assert response_body == {"message": "Card with id 59303594 was not found."}
+
+def test_get_all_boards(client, four_boards):
+    response = client.get("/boards")
+    response_body = response.get_json()
+
+    assert response.status_code == 200
+    assert len(response_body) == 4
+    assert response_body == [
+        {
+            "board_id": 1,
+            "owner": "Doris",
+            "title": "Board 1"
+        },
+        {
+            "board_id": 2,
+            "owner": "Danqing",
+            "title": "Board 2"
+        },
+        {
+            "board_id": 3,
+            "owner": "Alycia",
+            "title": "Board 3"
+        },
+        {
+            "board_id": 4,
+            "owner": "Barbara",
+            "title": "Board 4"
+        }
+    ]
+
+def test_get_boards_with_cards(client, two_boards_with_cards):
+    response = client.get("/boards")
+    response_body = response.get_json()
+
+    assert response.status_code == 200
+    assert len(response_body) == 2
+    assert response_body == [
+        {
+            "board_id": 1,
+            "card_count": 2,
+            "owner": "Cardboard",
+            "title": "Board with Card"
+        },
+        {
+            "board_id": 2,
+            "card_count": 1,
+            "owner": "Inspired",
+            "title": "Board with Cards Too"
+        },
+    ]
+
+
+
+def test_add_like_invalid_card(client):
+    # Act
+    response = client.patch("/cards/something/add_like")
+    response_body = response.get_json()
+
+    # Assert
+    assert response.status_code == 400
+    assert response_body == {"message": f"something is invalid"}
+
+
+def test_create_one_card(client, one_board):
+
+    response = client.post("/boards/1/cards", json={
+        "likes_count": 0,
+        "message": "Test card",
+    })
+    response_body = response.get_json()
+
+    assert response.status_code == 201
+    assert response_body == {
+        "board_id": 1,
+        "card_id": 1,
+        "likes_count": 0,
+        "message": "Test card"
+    }
+
+    new_card = Card.query.get(1)
+    assert new_card
+    assert new_card.message == "Test card"
+    assert new_card.likes_count == 0
+