Added first tests #191

test/core/utils/string_test.py

@@ -0,0 +1,73 @@
+import pytest
+from cpl.core.utils import String
+
+
+def test_to_camel_case():
+    assert String.to_camel_case("hello world") == "helloWorld"
+    assert String.to_camel_case("hello-world") == "helloWorld"
+    assert String.to_camel_case("hello_world") == "helloWorld"
+    assert String.to_camel_case("HelloWorld") == "helloWorld"
+    assert String.to_camel_case("hello  world") == "helloWorld"
+    assert String.to_camel_case("") == ""
+    assert String.to_camel_case("   ") == ""
+    assert String.to_camel_case("123-abc") == "123Abc"
+
+
+def test_to_pascal_case():
+    assert String.to_pascal_case("hello world") == "HelloWorld"
+    assert String.to_pascal_case("hello-world") == "HelloWorld"
+    assert String.to_pascal_case("hello_world") == "HelloWorld"
+    assert String.to_pascal_case("helloWorld") == "HelloWorld"
+    assert String.to_pascal_case("") == ""
+    assert String.to_pascal_case("   ") == ""
+    assert String.to_pascal_case("123-abc") == "123Abc"
+
+
+def test_to_snake_case():
+    assert String.to_snake_case("HelloWorld") == "hello_world"
+    assert String.to_snake_case("helloWorld") == "hello_world"
+    assert String.to_snake_case("hello-world") == "hello_world"
+    assert String.to_snake_case("hello_world") == "hello_world"
+    assert String.to_snake_case("hello world") == "hello_world"
+    assert String.to_snake_case("ABC123") == "abc123"
+
+
+def test_first_to_upper():
+    assert String.first_to_upper("hello") == "Hello"
+    assert String.first_to_upper("Hello") == "Hello"
+    assert String.first_to_upper("") == ""
+    assert String.first_to_upper("a") == "A"
+    assert String.first_to_upper("123abc") == "123abc"
+
+
+def test_first_to_lower():
+    assert String.first_to_lower("Hello") == "hello"
+    assert String.first_to_lower("hello") == "hello"
+    assert String.first_to_lower("") == ""
+    assert String.first_to_lower("A") == "a"
+    assert String.first_to_lower("123ABC") == "123ABC"
+
+
+def test_random_length():
+    random_str = String.random(10)
+    assert len(random_str) == 10
+
+
+def test_random_only_letters():
+    random_str = String.random(20, letters=True, digits=False, special_characters=False)
+    assert all(c.isalpha() for c in random_str)
+
+
+def test_random_only_digits():
+    random_str = String.random(20, letters=False, digits=True, special_characters=False)
+    assert all(c.isdigit() for c in random_str)
+
+
+def test_random_letters_and_digits():
+    random_str = String.random(20, letters=True, digits=True, special_characters=False)
+    assert all(c.isalnum() for c in random_str)
+
+
+def test_random_no_characters():
+    with pytest.raises(Exception):
+        String.random(10, letters=False, digits=False, special_characters=False)