Feature select table

.travis.yml

@@ -1,23 +1,18 @@
+
 language: python
 python:
-  - '3.7.3'
+  - "3.7"
   - "nightly"
-install: 
-  - pip install -r requirements.txt
-  - pip install coveralls
-services:
-  - postgresql
 
-before_script:
-  - psql -c "CREATE DATABASE test_nbox;" -U postgres
-  - psql -c "CREATE USER antoo WITH PASSWORD 'antoo123';" -U postgres
-  - psql -c "GRANT ALL PRIVILEGES ON DATABASE test_nbox to antoo;" -U postgres
-
-script: 
+install:
+  - "pip install pytest"
+  - "pip install pytest-cov"
+  - "pip install coveralls"
+  - "pip install -r requirements.txt"
+
+script:
   - "python -m pytest tests/"
   - "python -m pytest --cov tests/"
-  
+
 after_success:
-  - coveralls
-
-cache: pip
+  - coveralls

README.md

@@ -1,4 +1,3 @@
-[![Build Status](https://travis-ci.com/icodeai/nbox.svg?branch=databases_postgres)](https://travis-ci.com/icodeai/nbox) [![Coverage Status](https://coveralls.io/repos/github/icodeai/nbox/badge.svg?branch=databases_postgres)](https://coveralls.io/github/icodeai/nbox?branch=databases_postgres)
-
+[![Build Status](https://travis-ci.org/Joseorina/nbox.svg?branch=Ft-Connect_Db)](https://travis-ci.org/Joseorina/nbox)
 # Nbox
 ML Toolkit

config.py

@@ -0,0 +1,13 @@
+from configparser import ConfigParser
+
+def config(filename='db.ini', section='postgresql'):
+    parser = ConfigParser()
+    parser.read(filename)
+    db = {}
+    if parser.has_section(section):
+        params = parser.items(section)
+        for param in params:
+            db[param[0]] = param[1]
+    else:
+        raise Exception('section {} not found in the {} file'.format(section, filename))
+    return db

db.ini

@@ -0,0 +1,5 @@
+[postgresql]
+host=localhost
+database=suppliers
+user=postgres
+password=toor

main.py

@@ -0,0 +1,103 @@
+from database import Postgres
+import psycopg2
+from config import config
+
+class ConnectToDb():
+    pass
+
+class PostgresDb(Postgres):
+    """
+    COnnect to the postgresql database
+
+    Arguments:
+        Postgres {[type]} -- [description]
+
+    Returns:
+        [type] -- [description]
+    """
+    def connect():
+        conn = None
+        try:
+            params = config()
+            conn = psycopg2.connect(**params)
+            cur = conn.cursor()
+            cur.close
+        except (Exception, psycopg2.DatabaseError) as error:
+            print(error)
+        finally:
+            if conn is not None:
+                conn.close()
+        return 'success'        
+
+    def session():
+        pass
+
+    def create_database():
+        pass
+
+    def status():
+        pass
+
+    def cursor():
+        """
+        Create a cursor area in memory where SQL statement
+        are executed
+
+        Arguments:
+            query {[type]} -- [description]
+        """
+        params = config()
+        conn = psycopg2.connect(**params)
+        cur = conn.cursor()
+        return 'success'
+
+    def select_table(query):
+        """
+        Fetch and display records from database
+
+        Arguments:
+            query {[type]} -- [description]
+        """
+        params = config()
+        conn = psycopg2.connect(**params)
+        cur = conn.cursor()
+        cur.execute(query)
+        rows = cur.fetchall()
+        conn.close()
+        return 'success'
+
+    def create_table(query):
+        """
+        Create table in a database
+
+        Arguments:pi
+            query {[type]} -- [description]
+
+        Returns:
+            [type] -- [description]
+        """
+
+
+    def insert_rows(query):
+        """
+        Funtion to insert records intp a database
+
+        Arguments:
+            query {[type]} -- [description]
+        """
+        pass
+
+    def show_table(query):
+        pass
+
+    def drop_table(query):
+        pass
+
+    def close():
+        pass        
+
+if __name__ == '__main__':
+    a = PostgresDb
+    a.connect()
+    a.select_table("SELECT id, name, address, salary from COMPANY")
+

tests/integration/test_main.py

@@ -0,0 +1,33 @@
+import unittest
+from main import PostgresDb
+from config import config
+
+a = PostgresDb
+class TestPostgres(unittest.TestCase):
+    """
+    Test database connectivity
+
+    Arguments:
+        unittest {[type]} -- [description]
+    """
+    def test_connection(self):
+        """
+        Test that the database connection is succesful
+        """
+        self.assertEqual('success', a.connect())
+
+    def test_cursor(self):
+        """
+        Test cursor function
+        """
+        self.assertEqual('success', a.cursor())
+
+    def test_select_table(self):
+        """
+        Test fetch and display of records
+        """
+        b = "SELECT id, name, address, salary from COMPANY"
+        self.assertEqual('success', a.select_table(b))
+
+if __name__ == '__main__':
+    unittest.main()