feat: init

test/view/custom_widgets/test_validation.py

@@ -0,0 +1,98 @@
+import os
+import random
+import tkinter as tk
+
+import pytest
+
+from navigate.view.custom_widgets.validation import ValidatedEntry
+
+IN_GITHUB_ACTIONS = os.getenv("GITHUB_ACTIONS") == "true"
+
+
+# @pytest.fixture
+# def tk_root():
+#     root = tk.Tk()
+#     yield root
+#     root.destroy()
+
+
+@pytest.fixture
+def entry(tk_root):
+    entry = ValidatedEntry(tk_root, textvariable=tk.DoubleVar())
+
+    return entry
+
+
+# TODO: Figure out why this doesn't work in GitHub Actions.
+#       entry.undo_history.pop() returns an empty list and entry.get() returns ''
+#       in GitHub Actions, but not locally.
+@pytest.mark.skipif(IN_GITHUB_ACTIONS, reason="Test doesn't work in Github Actions.")
+def test_add_history(entry):
+    # TODO: Why does this not work with textvariable=tk.StringVar()??
+    entry.set(42.0)
+    entry.add_history(0)
+    assert entry.undo_history.pop() == "42.0"
+
+
+@pytest.mark.skipif(IN_GITHUB_ACTIONS, reason="Test doesn't work in Github Actions.")
+def test_undo(entry):
+    # base case
+    entry.set(42.0)
+    entry.add_history(0)
+    entry.undo(0)
+    assert entry.get() == "42.0"
+
+    # regular undo
+    entry.set(42.0)
+    entry.add_history(0)
+    entry.set(43.0)
+    entry.add_history(0)
+    entry.set(45.0)
+    entry.undo(0)
+    assert entry.get() == "43.0"
+    assert entry.redo_history.pop() == "45.0"
+
+
+@pytest.mark.skipif(IN_GITHUB_ACTIONS, reason="Test doesn't work in Github Actions.")
+def test_redo(entry):
+    entry.set(42.0)
+    entry.add_history(0)
+    entry.set(43.0)
+    entry.add_history(0)
+    entry.set(45.0)
+    entry.undo(0)
+    assert entry.get() == "43.0"
+    entry.redo(0)
+    assert entry.get() == "45.0"
+    assert entry.undo_history == ["42.0", "43.0"]
+
+
+@pytest.mark.skipif(IN_GITHUB_ACTIONS, reason="Test doesn't work in Github Actions.")
+def test_undo_redo(entry):
+    # Random number of entries
+    vals = [random.randint(1, 100) for _ in range(random.randint(3, 5))]
+    for i in range(len(vals)-1):
+        val = vals[i]
+        entry.set(val)
+        entry.add_history(0)
+    entry.set(vals[-1])
+
+    n_tries = random.randint(1, 10)
+    for _ in range(n_tries):
+        entry.undo(0)
+        assert entry.redo_history == [str(vals[-1])]
+        assert entry.get() == str(vals[-2])
+        assert entry.undo_history[-1] == str(vals[-3])
+        entry.redo(0)
+        assert entry.get() == str(vals[-1])
+        assert entry.undo_history[-1] == str(vals[-2])
+        assert entry.redo_history == []
+
+
+@pytest.mark.skipif(IN_GITHUB_ACTIONS, reason="Test doesn't work in Github Actions.")
+def test_validate_undo(entry):
+    entry.set(42.0)
+    entry.add_history(0)
+    entry.set("")
+    entry._validate("", "", "", "focusout", "-1", "-1")
+    assert entry.get() == "42.0"