From d4f33e9a886363008385b4d76b475e53c5689cdb Mon Sep 17 00:00:00 2001
From: Eddy Pedroni <epedroni@pm.me>
Date: Wed, 25 Sep 2024 22:19:41 +0200
Subject: Add session class with basic test coverage

---
 src/cli.py                     |  0
 src/session.py                 | 29 ++++++++++++++++++++++++++
 src/session_integrationtest.py | 46 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 75 insertions(+)
 delete mode 100644 src/cli.py
 create mode 100644 src/session.py
 create mode 100644 src/session_integrationtest.py

diff --git a/src/cli.py b/src/cli.py
deleted file mode 100644
index e69de29..0000000
diff --git a/src/session.py b/src/session.py
new file mode 100644
index 0000000..33870aa
--- /dev/null
+++ b/src/session.py
@@ -0,0 +1,29 @@
+from typing import Iterator, Callable
+
+from card import Card
+from scheduler import getSchedulerClass
+from parser import parseFiles
+from state_json import load, save
+
+class Session:
+    def __init__(self, scheduler_name: str, card_files: list[str], state_file: str):
+        self._cards = parseFiles(card_files)
+        self._state_file = state_file
+        self._scheduler = getSchedulerClass(scheduler_name)(self._cards, load(state_file))
+
+    def practice(self, size: int) -> Iterator[Card]:
+        ids = self._scheduler.practice(size)
+        for id in ids:
+            yield self._cards[id]
+
+    def test(self, size: int) -> Iterator[tuple[Card, Callable]]:
+        ids = self._scheduler.practice(size)
+        results = {}
+        
+        for id in ids:
+            def result(correct: bool) -> None:
+                results[id] = int(correct)
+            yield self._cards[id], result
+
+        self._scheduler.update(results)
+        save(self._state_file, self._scheduler.getState())
diff --git a/src/session_integrationtest.py b/src/session_integrationtest.py
new file mode 100644
index 0000000..2c5d608
--- /dev/null
+++ b/src/session_integrationtest.py
@@ -0,0 +1,46 @@
+import pytest
+import json
+from session import Session
+
+@pytest.fixture
+def cardFiles(tmp_path):
+    card_files = [
+        tmp_path / "test1.fcard",
+        tmp_path / "test2.fcard",
+    ]
+
+    for i, c in enumerate(card_files):
+        with open(c, "w") as f:
+            for j in range(0, 3):
+                f.write(f"FRONT\nFile {i}, card {j} front\nBACK\nback\n")
+
+    return card_files
+
+@pytest.fixture
+def stateFile(tmp_path):
+    return tmp_path / "state.json"
+
+def test_practiceSession(cardFiles, stateFile):
+    session = Session("brutal", cardFiles, stateFile)
+
+    c = 0
+    for card in session.practice(5):
+        c += 1
+
+    assert c == 5
+
+def test_testSession(cardFiles, stateFile):
+    session = Session("brutal", cardFiles, stateFile)
+
+    c = 0
+    for i, (card, correct) in enumerate(session.test(5)):
+        c += 1
+        correct(i % 2 == 0)
+
+    assert c == 5
+
+    with open(stateFile, "r") as f:
+        state = json.load(f)
+        latest_scores = [history[-1] for id, history in state.items()]
+        assert latest_scores.count(0) == 2
+        assert latest_scores.count(1) == 3
-- 
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