1 files changed, 77 insertions, 0 deletions
diff --git a/pint/testsuite/conftest.py b/pint/testsuite/conftest.py
new file mode 100644
index 0000000..529c33f
--- /dev/null
+++ b/pint/testsuite/conftest.py
@@ -0,0 +1,77 @@
+# pytest fixtures
+
+import io
+
+import pytest
+
+import pint
+
+
+@pytest.fixture
+def registry_empty():
+    return pint.UnitRegistry(None)
+
+
+@pytest.fixture
+def registry_tiny():
+    return pint.UnitRegistry(
+        io.StringIO(
+            """
+yocto- = 1e-24 = y-
+zepto- = 1e-21 = z-
+atto- =  1e-18 = a-
+femto- = 1e-15 = f-
+pico- =  1e-12 = p-
+nano- =  1e-9  = n-
+micro- = 1e-6  = µ- = u-
+milli- = 1e-3  = m-
+centi- = 1e-2  = c-
+deci- =  1e-1  = d-
+deca- =  1e+1  = da- = deka-
+hecto- = 1e2   = h-
+kilo- =  1e3   = k-
+mega- =  1e6   = M-
+giga- =  1e9   = G-
+tera- =  1e12  = T-
+peta- =  1e15  = P-
+exa- =   1e18  = E-
+zetta- = 1e21  = Z-
+yotta- = 1e24  = Y-
+
+meter = [length] = m = metre
+second = [time] = s = sec
+
+angstrom = 1e-10 * meter = Å = ångström = Å
+minute = 60 * second = min
+"""
+        )
+    )
+
+
+@pytest.fixture
+def func_registry():
+    return pint.UnitRegistry()
+
+
+@pytest.fixture(scope="class")
+def class_registry():
+    """Only use for those test that do not modify the registry."""
+    return pint.UnitRegistry()
+
+
+@pytest.fixture(scope="session")
+def sess_registry():
+    """Only use for those test that do not modify the registry."""
+    return pint.UnitRegistry()
+
+
+@pytest.fixture(scope="class")
+def class_tiny_app_registry():
+    ureg_bak = pint.get_application_registry()
+    ureg = pint.UnitRegistry(None)
+    ureg.define("foo = []")
+    ureg.define("bar = foo / 2")
+    pint.set_application_registry(ureg)
+    assert pint.get_application_registry() is ureg
+    yield ureg
+    pint.set_application_registry(ureg_bak)