0x00. AirBnB clone - The console

0x01 Introduction

Team project to build a clone of AirBnB.

The console is a command interpreter to manage objects abstraction between objects and how they are stored.

The console will perform the following tasks:

• create a new object
• retrive an object from a file
• do operations on objects
• destroy an object

Storage

All the classes are handled by the Storage engine in the FileStorage Class.

0x02 Environment

• Style guidelines:
  • pycodestyle (version 2.7.*)
  • PEP8

All the development and testing was runned over an operating system Ubuntu 20.04 LTS using programming language Python 3.8.3. The editors used were VIM 8.1.2269, VSCode 1.6.1 and Atom 1.58.0 . Control version using Git 2.25.1.

0x03 Installation

git clone https://github.com/aysuarex/AirBnB_clone.git

change to the AirBnb directory and run the command:

 ./console.py

Execution

In interactive mode

$ ./console.py
(hbnb) help

Documented commands (type help <topic>):
========================================
EOF  help  quit

(hbnb)
(hbnb)
(hbnb) quit
$

in Non-interactive mode

$ echo "help" | ./console.py
(hbnb)

Documented commands (type help <topic>):
========================================
EOF  help  quit
(hbnb)
$
$ cat test_help
help
$
$ cat test_help | ./console.py
(hbnb)

Documented commands (type help <topic>):
========================================
EOF  help  quit
(hbnb)
$

0x04 Testing

All the test are defined in the tests folder.

Documentation

• Modules:

python3 -c 'print(__import__("my_module").__doc__)'

• Classes:

python3 -c 'print(__import__("my_module").MyClass.__doc__)'

• Functions (inside and outside a class):

python3 -c 'print(__import__("my_module").my_function.__doc__)'

and

python3 -c 'print(__import__("my_module").MyClass.my_function.__doc__)'

Python Unit Tests

• unittest module
• File extension .py
• Files and folders star with test_
• Organization:for models/base.py, unit tests in: tests/test_models/test_base.py
• Execution command: python3 -m unittest discover tests
• or: python3 -m unittest tests/test_models/test_base.py

run test in interactive mode

echo "python3 -m unittest discover tests" | bash

run test in non-interactive mode

To run the tests in non-interactive mode, and discover all the test, you can use the command:

python3 -m unittest discover tests

0x05 Usage

• Start the console in interactive mode:

$ ./console.py
(hbnb)

• Use help to see the available commands:

(hbnb) help

Documented commands (type help <topic>):
========================================
EOF  all  count  create  destroy  help  quit  show  update

(hbnb)

• Quit the console:

(hbnb) quit
$

Commands

The commands are displayed in the following format Command / usage / example with output

• Create

Creates a new instance of a given class. The class' ID is printed and the instance is saved to the file file.json.

create <class>

(hbnb) create BaseModel
6cfb47c4-a434-4da7-ac03-2122624c3762
(hbnb)

• Show

show <class> <id>

(hbnb) show BaseModel 6cfb47c4-a434-4da7-ac03-2122624c3762
[BaseModel] (a) [BaseModel] (6cfb47c4-a434-4da7-ac03-2122624c3762) {'id': '6cfb47c4-a434-4da7-ac03-2122624c3762', 'created_at': datetime.datetime(2021, 11, 14, 3, 28, 45, 571360), 'updated_at': datetime.datetime(2021, 11, 14, 3, 28, 45, 571389)}
(hbnb)

• Destroy

Deletes an instance of a given class with a given ID. Update the file.json

(hbnb) create User
0c98d2b8-7ffa-42b7-8009-d9d54b69a472
(hbnb) destroy User 0c98d2b8-7ffa-42b7-8009-d9d54b69a472
(hbnb) show User 0c98d2b8-7ffa-42b7-8009-d9d54b69a472
** no instance found **
(hbnb)

• all

Prints all string representation of all instances of a given class. If no class is passed, all classes are printed.

(hbnb) create BaseModel
e45ddda9-eb80-4858-99a9-226d4f08a629
(hbnb) all BaseModel
["[BaseModel] (4c8f7ebc-257f-4ed1-b26b-e7aace459897) [BaseModel] (4c8f7ebc-257f-4ed1-b26b-e7aace459897) {'id': '4c8f7ebc-257f-4ed1-b26b-e7aace459897', 'created_at': datetime.datetime(2021, 11, 13, 22, 19, 19, 447155), 'updated_at': datetime.datetime(2021, 11, 13, 22, 19, 19, 447257), 'name': 'My First Model', 'my_number': 89}"]
["[BaseMode

• count

Prints the number of instances of a given class.

(hbnb) create City
4e01c33e-2564-42c2-b61c-17e512898bad
(hbnb) create City
e952b772-80a5-41e9-b728-6bc4dc5c21b4
(hbnb) count City
2
(hbnb)

• update

Updates an instance based on the class name, id, and kwargs passed. Update the file.json

(hbnb) create User
1afa163d-486e-467a-8d38-3040afeaa1a1
(hbnb) update User 1afa163d-486e-467a-8d38-3040afeaa1a1 email "[email protected]"
(hbnb) show User 1afa163d-486e-467a-8d38-3040afeaa1a1
[User] (s) [User] (1afa163d-486e-467a-8d38-3040afeaa1a1) {'id': '1afa163d-486e-467a-8d38-3040afeaa1a1', 'created_at': datetime.datetime(2021, 11, 14, 23, 42, 10, 502157), 'updated_at': datetime.datetime(2021, 11, 14, 23, 42, 10, 502186), 'email': '[email protected]'}
(hbnb)

Authors

• Victor Mayowa
• Theophilus Ackom