From 76d4458d96fd6052c8d7c3546f7a1fc08e43d99b Mon Sep 17 00:00:00 2001
From: HugoMVale <57530119+HugoMVale@users.noreply.github.com>
Date: Sun, 8 Oct 2023 20:34:29 +0200
Subject: [PATCH] add test tait

---
 tests/__init__.py            |  3 +++
 tests/physprops/test_tait.py | 11 +++++++++++
 2 files changed, 14 insertions(+)
 create mode 100644 tests/__init__.py

diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..6f37291
--- /dev/null
+++ b/tests/__init__.py
@@ -0,0 +1,3 @@
+# PolyKin: A polymerization kinetics library for Python.
+#
+# Copyright Hugo Vale 2023
diff --git a/tests/physprops/test_tait.py b/tests/physprops/test_tait.py
index 62dfb6c..14b6d6d 100644
--- a/tests/physprops/test_tait.py
+++ b/tests/physprops/test_tait.py
@@ -4,6 +4,7 @@
 
 from polykin.physprops.tait import Tait
 from polykin.utils import RangeError
+from polykin.physprops.tait import load_Tait_parameters
 
 
 import pytest
@@ -92,3 +93,13 @@ def test_alpha(tait_instance):
 def test_beta(tait_instance):
     beta = tait_instance.beta(432.15, 2e8)
     assert np.isclose(beta, 2.7765e-10, atol=atol, rtol=rtol)
+
+
+def test_all_polymers_database():
+    table = load_Tait_parameters()
+    polymers = table.index.to_list()
+    for polymer in polymers:
+        m = Tait.from_database(polymer)
+        assert m is not None
+        rhoP = 1/m.eval(298., 1e5)
+        assert (rhoP > 750. and rhoP < 2200.)