Added Test data Script

Added a SQL-script to populate an empty database with test entries.
Test Script version 2.0 (synchronized with database version)

Test_Data.sql

@@ -0,0 +1,75 @@
+-- Test Data for the DB
+-- Version 2.0 (2021-10-10)
+
+-- Art
+INSERT INTO ART (md5_hash, path, title, link, description) VALUES 
+    ('hash1', 'folderA/imageA.png', 'Image #0', 'https://127.0.0.1', 'Description of Image#0'),
+    ('hash2', 'folderB/imageA.png', 'Image #1', 'https://127.0.0.1', 'Description of Image#1'),
+    ('hash3', 'folderC/imageA.png', 'Image #2', 'https://127.0.0.1', 'Description of Image#2'),
+    ('hash4', 'folderA/imageB.png', 'Image #3', 'https://127.0.0.1', 'Description of Image#3'),
+    ('hash5', 'folderA/imageC.png', 'Image #4', 'https://127.0.0.1', 'Description of Image#4');
+
+-- Artist
+INSERT INTO artist (name) VALUES 
+    ('Artist A'),
+    ('Artist B'),
+    ('Artist C');
+
+-- Presence
+INSERT INTO presence (name, domain, link, artist_id) VALUES
+    ('Presence A', 'Domain A', 'https://127.0.0.1/A', 1),
+    ('Presence A', 'Domain B', 'https://127.0.0.1/B', 1),
+    ('Presence B', 'Domain A', 'https://127.0.0.1/A', 2),
+    ('Presence C', 'Domain A', 'https://127.0.0.1/A', 3);
+
+-- Art with Presence
+INSERT INTO art_to_presence (presence_name, presence_domain, art_id) VALUES 
+    ('Presence A', 'Domain A', 1),
+    ('Presence A', 'Domain A', 2),
+    ('Presence B', 'Domain A', 2),
+    ('Presence A', 'Domain A', 3);
+
+-- Collection
+INSERT INTO art_collection (name, description) VALUES
+    ('Collection #0', 'Description of Collection #0'),
+    ('Collection #1', 'Description of Collection #1'),
+    ('Collection #2', 'Description of Collection #2');
+
+
+-- Art with Collections
+INSERT INTO art_to_art_collection (collection_id, art_id, ranking) VALUES
+    (1, 1, 'sad'),
+    (1, 2, 'sad2'),
+    (1, 3, 'sad3'),
+    (2, 1, 'bad'),
+    (2, 5, 'bad1'),
+    (2, 3, 'bad2'),
+    (3, 1, 'dad');
+
+-- Tag_Category
+INSERT INTO tag_category (name) VALUES 
+    ('Category #0'),
+    ('Category #1');
+
+-- Tags
+INSERT INTO tag (name, description, category_id) VALUES
+    ('base tag #0', 'Description of tag #0', 1),
+    ('imply tag #1', 'Desctiption of tag #1', 1),
+    ('alias tag #2', 'Description of tag #2', 2),
+    ('base tag #3', 'Description of tag #3', 1);
+
+-- Tag Implications
+INSERT INTO tag_implication (root_tag, implicate) VALUES
+    (1, 2),
+    (4, 2);
+
+-- Tag Alias
+INSERT INTO tag_alias (tag1, tag2) VALUES 
+    (1, 3);
+
+-- Art with Tags
+INSERT INTO art_to_tag (art_id, tag_id) VALUES
+    (1, 1),
+    (1, 4),
+    (2, 1),
+    (3, 2);