Add basic tests

Makefile

@@ -1,6 +1,8 @@
+.PHONY: tests
 tests:
 	python3 -m pytest
 
+.PHONY: lint
 lint:
 	python3 -m ruff check --output-format=github --select=E9,F63,F7,F82 --target-version=py39 .
 	python3 -m ruff check --output-format=github --target-version=py39 .

tests/test_funcs.py

@@ -0,0 +1,20 @@
+import tildejsongen
+
+def test_str2bool():
+    assert tildejsongen.str2bool('yes') is True
+    assert tildejsongen.str2bool('true') is True
+    assert tildejsongen.str2bool('t') is True
+    assert tildejsongen.str2bool('1') is True
+    assert tildejsongen.str2bool('on') is True
+
+    assert tildejsongen.str2bool('no') is False
+    assert tildejsongen.str2bool('false') is False
+    assert tildejsongen.str2bool('f') is False
+    assert tildejsongen.str2bool('0') is False
+    assert tildejsongen.str2bool('off') is False
+
+    assert tildejsongen.str2bool('ys') is False
+    assert tildejsongen.str2bool('truex') is False
+    assert tildejsongen.str2bool('z') is False
+    assert tildejsongen.str2bool('3') is False
+    assert tildejsongen.str2bool('maybe') is False