feat: Added Partners, Backgrounds, and related variation selections to commander building.

code/tests/test_export_commander_metadata.py

@@ -0,0 +1,110 @@
+from __future__ import annotations
+
+import csv
+from pathlib import Path
+import sys
+import types
+
+import pytest
+
+from code.deck_builder.combined_commander import CombinedCommander, PartnerMode
+from code.deck_builder.phases.phase6_reporting import ReportingMixin
+
+
+class MetadataBuilder(ReportingMixin):
+    def __init__(self) -> None:
+        self.card_library = {
+            "Halana, Kessig Ranger": {
+                "Card Type": "Legendary Creature",
+                "Count": 1,
+                "Mana Cost": "{3}{G}",
+                "Mana Value": "4",
+                "Role": "Commander",
+                "Tags": ["Partner"],
+            },
+            "Alena, Kessig Trapper": {
+                "Card Type": "Legendary Creature",
+                "Count": 1,
+                "Mana Cost": "{4}{R}",
+                "Mana Value": "5",
+                "Role": "Commander",
+                "Tags": ["Partner"],
+            },
+            "Gruul Signet": {
+                "Card Type": "Artifact",
+                "Count": 1,
+                "Mana Cost": "{2}",
+                "Mana Value": "2",
+                "Role": "Ramp",
+                "Tags": [],
+            },
+        }
+        self.output_func = lambda *_args, **_kwargs: None
+        self.combined_commander = CombinedCommander(
+            primary_name="Halana, Kessig Ranger",
+            secondary_name="Alena, Kessig Trapper",
+            partner_mode=PartnerMode.PARTNER,
+            color_identity=("G", "R"),
+            theme_tags=("counters", "aggro"),
+            raw_tags_primary=("counters",),
+            raw_tags_secondary=("aggro",),
+            warnings=(),
+        )
+        self.commander_name = "Halana, Kessig Ranger"
+        self.secondary_commander = "Alena, Kessig Trapper"
+        self.partner_mode = PartnerMode.PARTNER
+        self.combined_color_identity = ("G", "R")
+        self.color_identity = ["G", "R"]
+        self.selected_tags = ["Counters", "Aggro"]
+        self.primary_tag = "Counters"
+        self.secondary_tag = "Aggro"
+        self.tertiary_tag = None
+        self.custom_export_base = "metadata_builder"
+
+
+def _suppress_color_matrix(monkeypatch: pytest.MonkeyPatch) -> None:
+    stub = types.ModuleType("deck_builder.builder_utils")
+    stub.compute_color_source_matrix = lambda *_args, **_kwargs: {}
+    stub.multi_face_land_info = lambda *_args, **_kwargs: {}
+    monkeypatch.setitem(sys.modules, "deck_builder.builder_utils", stub)
+
+
+def test_csv_header_includes_commander_names(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
+    _suppress_color_matrix(monkeypatch)
+    builder = MetadataBuilder()
+    csv_path = Path(builder.export_decklist_csv(directory=str(tmp_path), filename="deck.csv"))
+    with csv_path.open("r", encoding="utf-8", newline="") as handle:
+        reader = csv.DictReader(handle)
+        assert reader.fieldnames is not None
+        assert reader.fieldnames[-1] == "Commanders: Halana, Kessig Ranger, Alena, Kessig Trapper"
+        rows = list(reader)
+    assert any(row["Name"] == "Gruul Signet" for row in rows)
+
+
+def test_text_export_includes_commander_metadata(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
+    _suppress_color_matrix(monkeypatch)
+    builder = MetadataBuilder()
+    text_path = Path(builder.export_decklist_text(directory=str(tmp_path), filename="deck.txt"))
+    lines = text_path.read_text(encoding="utf-8").splitlines()
+    assert lines[0] == "# Commanders: Halana, Kessig Ranger, Alena, Kessig Trapper"
+    assert lines[1] == "# Partner Mode: partner"
+    assert lines[2] == "# Colors: G, R"
+    assert lines[4].startswith("1 Halana, Kessig Ranger")
+
+
+def test_summary_contains_combined_commander_block(monkeypatch: pytest.MonkeyPatch) -> None:
+    _suppress_color_matrix(monkeypatch)
+    builder = MetadataBuilder()
+    summary = builder.build_deck_summary()
+    commander_block = summary["commander"]
+    assert commander_block["names"] == [
+        "Halana, Kessig Ranger",
+        "Alena, Kessig Trapper",
+    ]
+    assert commander_block["partner_mode"] == "partner"
+    assert commander_block["color_identity"] == ["G", "R"]
+    combined = commander_block["combined"]
+    assert combined["primary_name"] == "Halana, Kessig Ranger"
+    assert combined["secondary_name"] == "Alena, Kessig Trapper"
+    assert combined["partner_mode"] == "partner"
+    assert combined["color_identity"] == ["G", "R"]