added RAG, Multiuser, TG bot

backend/tests/test_body_composition.py

@@ -0,0 +1,102 @@
+import pytest
+
+from app.fitness.body_composition import (
+    compute_body_composition,
+    ffmi,
+    lean_body_mass,
+    navy_body_fat_pct,
+    whr,
+)
+
+
+def test_navy_male_reasonable_range():
+    bf = navy_body_fat_pct(
+        sex="male",
+        height_cm=180,
+        neck_cm=38,
+        waist_cm=84,
+    )
+    assert bf is not None
+    assert 5 <= bf <= 35
+
+
+def test_navy_female_requires_hip():
+    assert navy_body_fat_pct(
+        sex="female",
+        height_cm=165,
+        neck_cm=34,
+        waist_cm=72,
+        hip_cm=None,
+    ) is None
+
+    bf = navy_body_fat_pct(
+        sex="female",
+        height_cm=165,
+        neck_cm=34,
+        waist_cm=72,
+        hip_cm=98,
+    )
+    assert bf is not None
+    assert 10 <= bf <= 45
+
+
+def test_navy_invalid_waist_neck():
+    assert navy_body_fat_pct(
+        sex="male",
+        height_cm=180,
+        neck_cm=40,
+        waist_cm=39,
+    ) is None
+
+
+def test_whr():
+    assert whr(80, 100) == 0.8
+
+
+def test_lean_body_mass_and_ffmi():
+    lbm = lean_body_mass(80, 20)
+    assert lbm == 64.0
+    score = ffmi(80, 180, 20)
+    assert score is not None
+    assert 15 <= score <= 25
+
+
+def test_compute_manual_body_fat():
+    result = compute_body_composition(
+        sex="male",
+        height_cm=180,
+        weight_kg=80,
+        body_fat_pct=18,
+        waist_cm=84,
+        hip_cm=100,
+    )
+    assert result["body_fat_pct"] == 18.0
+    assert result["body_fat_method"] == "manual"
+    assert result["whr"] == 0.84
+    assert result["lbm_kg"] == 65.6
+    assert result["ffmi"] is not None
+
+
+def test_compute_navy_auto():
+    result = compute_body_composition(
+        sex="male",
+        height_cm=180,
+        weight_kg=82,
+        neck_cm=38,
+        waist_cm=84,
+    )
+    assert result["body_fat_pct"] is not None
+    assert result["body_fat_method"] == "navy"
+    assert result["lbm_kg"] is not None
+
+
+def test_compute_female_warning_without_hip():
+    result = compute_body_composition(
+        sex="female",
+        height_cm=165,
+        weight_kg=60,
+        neck_cm=34,
+        waist_cm=72,
+    )
+    assert result["body_fat_pct"] is None
+    assert any("бёдер" in w for w in result["warnings"])