Update test start

README.md

@@ -19,6 +19,8 @@
 
 ## Install
 
+Python version: >=3.8
+
 ```python
 pip3 install --user fiable_db
 ```
@@ -201,6 +203,32 @@ fiable_db.find_one(id=1) # Default table
 # {"id": 1, "rev": 1, "data": {"name": "Miguel", "age": 41, "height": 189}}
 ```
 
+### Other help functions
+
+#### Get all data
+
+Get all data from the database.
+
+```python
+get_database()
+```
+
+### Load file
+
+Load a file into the database.
+
+```python
+load(filename)
+```
+
+### Save file
+
+Save the database to a file.
+
+```python
+save(filename, data)
+```
+
 ## Implementations in other languages
 
 - [Clojure](https://github.com/Toni-zgz/db_inmutable).

fiable_db.py

@@ -1,43 +1,93 @@
+from os import path
+import json
+from typing import Dict, Tuple, Union, Sequence, TypedDict
+
+# Variables
 FILE = "fiabledb.json"
-data = {}
+database = {}
+
+# Type aliases
+class TypeData(TypedDict):
+    id: int
+    rev: int
+    data: dict
 
 
-def start(filename: str = "") -> str:
+Type_Data_List = Tuple[TypeData]
+Type_Add_Data = Union[Dict, Sequence[Dict]]
+Type_Add_Return = Union[Tuple[int, int, Dict], Tuple[Tuple[int, int, Dict]], None]
+Type_Update_Return = Union[Tuple[Tuple[int, int, Dict]]]
+
+Type_Delete_Return = Union[Tuple[Tuple[int, int, Dict]]]
+Type_Find_One_Return = TypeData
+Type_Find_All_Return = Tuple[Type_Find_One_Return]
+
+
+def start(file_name: str = "") -> str:
     """Start the database
     Args:
         file (str, optional): The file to use. Defaults to FILE.
     Returns:
         str: The file used
     """
-    file_name = filename if filename else FILE
-    print("Function not implemented yet")
-    return file_name
+    global database
+    my_file_name = file_name if file_name else FILE
+    if path.exists(my_file_name):
+        # Load the database
+        load(my_file_name)
+    else:
+        # Create the database
+        save(my_file_name, database)
+    return my_file_name
 
 
-def save(filename: str = "", data: list[str, list[int, int, dict]] = {}) -> bool:
+def save(file_name: str = "", data: TypeData = {}) -> bool:
     """Save the database
     Args:
-        filename (str, optional): The file to save to. Defaults to "".
+        file_name (str, optional): The file to save to. Defaults to "".
         data (list[str, list[int, int, dict]], optional): The data to save. Defaults to {}.
     Returns:
         bool: True if the data was saved, False otherwise
     """
-    print("Function not implemented yet")
+    global database
+    my_file_name = file_name if file_name else FILE
+    with open(my_file_name, "w") as f:
+        database = json.dump({}, f)
+    return True
 
 
-def load(filename: str = "") -> list[str, list[int, int, dict]]:
+def load(file_name: Union[str, None] = None) -> bool:
     """Load the database
     Args:
-        filename (str, optional): The file to load from. Defaults to "".
+        file_name (str, optional): The file to load from. Defaults to "".
     Returns:
-        list[str, list[int, int, dict]]: The data loaded
+        Bool - The data loaded
     """
-    print("Function not implemented yet")
+    global database
+    my_file_name = file_name if file_name else FILE
+    is_exists = path.exists(my_file_name)
+    if is_exists:
+        with open(my_file_name, "r") as f:
+            text = f.read()
+            if text != "":
+                database = json.loads(text)
+            else:
+                database = []
+    else:
+        raise FileNotFoundError("File not found")
+    return is_exists
 
 
-def add(
-    new_data: dict | list, table: str = ""
-) -> dict[int, int, dict] | list[dict[int, int, dict]]:
+def get_database() -> Type_Data_List:
+    """Get the data
+    Returns:
+        list[dict[int, int, dict]]: The data
+    """
+    global database
+    return database
+
+
+def add(new_data: Type_Add_Data, table: str = "") -> Type_Add_Return:
     """Add data to the database
     Args:
         new_data (dict|list): The data to add
@@ -55,9 +105,8 @@ def add(
 
 
 def update(
-        id: int,
-    new_data: dict, table: str = "", force: bool = False
-) -> dict[int, int, dict]:
+    id: int, new_data: dict, table: str = "", force: bool = False
+) -> Type_Update_Return:
     """Update data in the database
     Args:
         id (int): The id of the data to update.
@@ -70,7 +119,7 @@ def update(
     print("Function not implemented yet")
 
 
-def delete(id: int, data: dict, table: str = "") -> dict[int, int, dict]:
+def delete(id: int, data: dict, table: str = "") -> Type_Delete_Return:
     """Delete data from the database
     Args:
         id (int): The id of the data to delete
@@ -84,7 +133,7 @@ def delete(id: int, data: dict, table: str = "") -> dict[int, int, dict]:
 
 def find_one(
     id: int = 0, data: dict = {}, table: str = "", rev: int = 0
-) -> dict[int, int, dict]:
+) -> Type_Find_One_Return:
     """Find one data in the database
     Args:
         id (int, optional): The id of the data to find. Defaults to 0.
@@ -97,7 +146,7 @@ def find_one(
     print("Function not implemented yet")
 
 
-def find_all(data: dict = {}, table: str = "") -> list[dict[int, int, dict]]:
+def find_all(data: dict = {}, table: str = "") -> Type_Find_All_Return:
     """Find all data in the database
     Args:
         data (dict, optional): Filter the data to find. Defaults to {}.

test/example.json

@@ -1,5 +1,29 @@
 [
-    {"id": 2, "rev": 1, "data": {"name": "Noelia", "age": 34, "height": 165}},
-    {"id": 3, "rev": 1, "data": {"name": "Juan", "age": 41, "height": 187}},
-    {"id": 4, "rev": 1, "data": {"name": "Valentina", "age": 12, "height": 142}}
+    {
+	"id": 2,
+	"rev": 1,
+	"data": {
+	    "name": "Noelia",
+	    "age": 34,
+	    "height": 165
+	}
+    },
+    {
+	"id": 3,
+	"rev": 1,
+	"data": {
+	    "name": "Juan",
+	    "age": 41,
+	    "height": 187
+	}
+    },
+    {
+	"id": 4,
+	"rev": 1,
+	"data": {
+	    "name": "Valentina",
+	    "age": 12,
+	    "height": 142
+	}
+    }
 ]

test/test_save.py

@@ -1,7 +0,0 @@
-# content of test_sample.py
-def inc(x):
-    return x + 1
-
-
-def test_answer():
-    assert inc(3) == 5

test/test_start.py

@@ -1,40 +1,48 @@
-from fiable_db import start, data
+import os
+import shutil
+from fiable_db import start, get_database
+
 
 def test_create_new_file():
     """Create a new file with a different name"""
-    filename = 'test.json'
+    filename = "test.json"
     start(filename)
-    assert os.path.isfile(filename)
+    assert os.path.isfile(filename), "The file does not exist"
     # Remove the file
     os.remove(filename)
 
 
 def test_create_default_file():
     """Create a new file with the default name"""
-    filename = 'fiabledb.json'
+    filename = "fiabledb.json"
     start()
-    assert os.path.isfile(filename)
+    assert os.path.isfile(filename), "The file does not exist"
     # Remove the file
     os.remove(filename)
 
+
 def test_read_file_default():
     """Read the default file"""
-    os.copyfile('test/example.json', 'test/fiabledb.json')
+    input_file = "test/example.json"
+    output_file = "fiabledb.json"
+    shutil.copy(input_file, output_file)
     start()
+    data = get_database()
     assert data == [
         {"id": 2, "rev": 1, "data": {"name": "Noelia", "age": 34, "height": 165}},
         {"id": 3, "rev": 1, "data": {"name": "Juan", "age": 41, "height": 187}},
         {"id": 4, "rev": 1, "data": {"name": "Valentina", "age": 12, "height": 142}},
-    ]
-    os.remove('test/fiabledb.json')
+    ], "The data is not the same: " + str(data)
+    os.remove(output_file)
 
 
 def test_read_file_custom_name():
     """Read a file with a custom name"""
-    filename = 'example.json'
+    filename = "test/example.json"
     start(filename)
+    data = get_database()
     assert data == [
         {"id": 2, "rev": 1, "data": {"name": "Noelia", "age": 34, "height": 165}},
         {"id": 3, "rev": 1, "data": {"name": "Juan", "age": 41, "height": 187}},
         {"id": 4, "rev": 1, "data": {"name": "Valentina", "age": 12, "height": 142}},
-    ]
+    ], "The data is not the same: " + str(data)