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@@ -118,3 +118,77 @@ django-admin version # display the current django version
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# 8. $ django-admin startproject myproject
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# 9. $ django-admin startapp myapp
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# 10. $ python manage.py runserver
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# *****************************************************************************
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# Writing unit tests in django projects
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# *****************************************************************************
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# 1. Set Up Your Test Environment:
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# Before writing tests, ensure that you have your Django project set up. Typically, you'll have a structure similar to this:
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myproject/
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├── myproject/
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│ ├── __init__.py
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│ ├── settings.py
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│ ├── urls.py
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│ └── wsgi.py
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├── myapp/
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│ ├── __init__.py
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│ ├── models.py
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│ ├── views.py
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│ └── tests.py # This is where your tests will go
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├── manage.py
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└── venv/
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# 2. Create test cases by subclassing django.test.TestCase or django.test.TransactionTestCase
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# myapp/tests.py
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```
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from django.test import TestCase
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from .models import YourModel
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class YourModelTestCase(TestCase):
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@classmethod
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def setUpClass(cls):
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# Set up resources for the entire test case class
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pass
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@classmethod
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def tearDownClass(cls):
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# Clean up resources for the entire test case class
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pass
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def setUp(self):
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# Set up resources before each test method
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pass
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def tearDown(self):
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# Clean up resources after each test method
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pass
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```
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# --> setUp(): This method is called before each test method is executed. You can use it to set up any necessary state or resources needed for the test.
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# --> tearDown(): This method is called after each test method is executed. It's used to clean up any resources or state that was set up in setUp().
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# 3. Configure your test database: Django creates a separate database for running tests, ensuring that your production data is not affected. This is specified in your settings.py file.
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# settings.py
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```
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DATABASES = {
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'default': {
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'ENGINE': 'django.db.backends.sqlite3',
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'NAME': BASE_DIR / 'db.sqlite3',
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},
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'test': {
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'ENGINE': 'django.db.backends.sqlite3',
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'NAME': BASE_DIR / 'test_db.sqlite3',
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}
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}
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```
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# 4. Run your tests: Django provides a management command, manage.py test, to run your tests. Navigate to your project directory in the terminal and run:
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$ python manage.py test
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$ python manage.py test your_app_name
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$ python manage.py test your_app_name.YourModelTestCase
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$ python manage.py test your_app_name.YourModelTestCase.test_something
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# Django will discover your tests and run them. It will output the results to the terminal.
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# 5. View test coverage: You may also want to measure the coverage of your tests. To do this, you can use third-party packages like coverage. First, install it:
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$ pip install coverage
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$ coverage run manage.py test
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# 6. After running tests, you can generate a report:
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$ coverage report
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# This will show you which parts of your code are covered by tests and which are not.
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@@ -88,7 +88,7 @@ CHEATSHEET C#
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string newStr = oldStr.Replace("old","new");
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//IndexOf
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//Finds the first ocurrence of a string in a larger string
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//Finds the first occurrence of a string in a larger string
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//Returns -1 if the string is not found
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String.IndexOf(val, start, num)
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val - string to search for
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@@ -102,7 +102,7 @@ CHEATSHEET C#
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String.Split(Char[]);
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//ToCharArray
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//Places selected characteres in a string in a char array
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//Places selected characters in a string in a char array
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String str = "AaBbCcDd";
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//create array of 8 vowels
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var chars = str.ToCharArray();
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@@ -135,7 +135,7 @@ CHEATSHEET C#
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6.1 TimeSpan Constructor
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TimpeSpan(hour, minute, sec)
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TimeSpan(hour, minute, sec)
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TimeSpan timeS = new TimeSpan(10, 14, 50);
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TimeSpan timeS_Hours = TimeSpan.FromDays(3640);
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@@ -144,8 +144,8 @@ CHEATSHEET C#
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Format item syntax: {index[,alignment][:format string]}
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index - Specifies element in list of values to which format is applied
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aligment - Indicates minimun width (in characters) to display value
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format string - Contains the code which specififes the format of the displayed value
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alignment - Indicates minimum width (in characters) to display value
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format string - Contains the code which specifies the format of the displayed value
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7.1 Numeric
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@@ -293,7 +293,7 @@ CHEATSHEET C#
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[access modifier] className (parameters) [:initializer]
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initializer -base calls constructor in base class.
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this calls constuctor within class.
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this calls constructor within class.
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public class nameClass : Initializer {
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public className(dataType param1 , dataType param2, ...) : base(param1, param2)
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@@ -313,8 +313,8 @@ CHEATSHEET C#
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abstract – must be implemented by subclass
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Passing parameters:
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1. By default, parametres are passed by value
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2. Passing by reference: ref, in and out modifers
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1. By default, parameters are passed by value
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2. Passing by reference: ref, in and out modifiers
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To pass a parameter by reference with the intent of changing the value, use the ref, or out keyword. To pass by reference with the intent of avoiding copying but not changing the value, use the in modifier
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@@ -524,14 +524,14 @@ Cyan='\033[0;36m' # Cyan
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White='\033[0;97m' # White
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# Additional colors
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LGrey='\033[0;37m' # Ligth Gray
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LGrey='\033[0;37m' # Light Gray
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DGrey='\033[0;90m' # Dark Gray
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LRed='\033[0;91m' # Ligth Red
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LGreen='\033[0;92m' # Ligth Green
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LYellow='\033[0;93m'# Ligth Yellow
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LBlue='\033[0;94m' # Ligth Blue
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LRed='\033[0;91m' # Light Red
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LGreen='\033[0;92m' # Light Green
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LYellow='\033[0;93m'# Light Yellow
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LBlue='\033[0;94m' # Light Blue
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LPurple='\033[0;95m'# Light Purple
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LCyan='\033[0;96m' # Ligth Cyan
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LCyan='\033[0;96m' # Light Cyan
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# Bold
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@@ -397,8 +397,8 @@ d, t := doubleAndTriple(5)
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_, t := doubleAndTriple(3)
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// t = 9
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// Functions can defer commands. Defered commands are
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// runned in a stack order after the execution and
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// Functions can defer commands. Deferred commands are
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// ran in a stack order after the execution and
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// returning of a function
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var aux = 0
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@@ -488,7 +488,7 @@ person3.Age // 0
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## Maps
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Maps are data structures that holds values assigneds to a key.
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Maps are data structures that holds values assigned to a key.
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```go
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// Declaring a map
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@@ -508,7 +508,7 @@ newYork // "EUA"
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// Delete
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delete(cities, "NY")
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// Check if a key is setted
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// Check if a key is set
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value, ok := cities["NY"]
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ok // false
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value // ""
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@@ -308,7 +308,7 @@ for(dataType item : array) {
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//Declare a variable, object name
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String s;
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//Invoke a contructor to create an object
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//Invoke a constructor to create an object
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s = new String ("Hello World");
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//Invoke an instance method that operates on the object's value
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@@ -1,8 +1,8 @@
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<?php
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// Exit the file, string inside get's echo'ed
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die("This file is not ment to be ran. ¯\_(ツ)_/¯");
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exit("This file is not ment to be ran. ¯\_(ツ)_/¯");
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die("This file is not meant to be ran. ¯\_(ツ)_/¯");
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exit("This file is not meant to be ran. ¯\_(ツ)_/¯");
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/**
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* Printing
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@@ -17,7 +17,7 @@ var_dump($arr); // Print anything, with type hints for any value and sizes
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$string = 'Awesome cheatsheets';
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str_contains($string, 'cheat'); // Find if the string contains the specified string (PHP >= 8.0)
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str_replace('Awesome', 'Bonjour', $string); // Replace all occurence
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str_replace('Awesome', 'Bonjour', $string); // Replace all occurrence
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strcmp($string, 'Awesome cheatsheets'); // Compare two strings
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strpos($string, 'a', 0); // Get position in the string
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str_split($string, 2); // Split the string
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@@ -541,7 +541,7 @@ u Pattern is treated as UTF-8
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\w Any "word" character (a-z 0-9 _)
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\W Any non "word" character
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\s Whitespace (space, tab CRLF)
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\S Any non whitepsace character
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\S Any non whitespace character
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\d Digits (0-9)
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\D Any non digit character
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. (Period) - Any character except newline
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@@ -71,7 +71,7 @@
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| import | import libraries/modules/packages | import |
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| from | import specific function/classes from modules/packages | import |
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| try | this block will be tried to get executed | exception handling |
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| except | is any exception/error has occured it'll be executed | exception handling |
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| except | is any exception/error has occurred it'll be executed | exception handling |
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| finally | It'll be executed no matter exception occurs or not | exception handling |
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| raise | throws any specific error/exception | exception handling |
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| assert | throws an AssertionError if condition is false | exception handling |
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