Add first tests

beamtime/test/pytest.ini

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+# pytest.ini
+
+[pytest]
+minversion = 6.0
+testpaths = 
+	.

beamtime/test/test_auxillary.py

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+import beamtime.auxillary as aux
+
+def test_swap_values():
+
+
+    dict = {'test1': 1, 'test2': 2}
+    key1 = 'test1'
+    key2 = 'test2'
+
+    oldval1 = dict[key1]
+    oldval2 = dict[key2]
+
+    new_dict = aux.swap_values(dict=dict, key1=key1, key2=key2) 
+
+    assert (dict[key1] == oldval2) and (dict[key2] == oldval1)
+
+
+def test_ceil() -> None:
+
+    assert aux.ceil(1.05, 0.5) == 1.5
+    assert aux.ceil(1.05, 1) == 2.0
+    assert aux.ceil(1.1, 0.2) == 1.2
+
+
+def test_floor() -> None:
+
+    assert aux.floor(2.02, 1) == 2.0
+    assert aux.floor(2.02, 0.01) == 2.02
+    assert aux.floor(2.013, 0.01) == 2.01

beamtime/test/test_plotting.py

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+import beamtime.plotting as btp
+from cycler import cycler
+import itertools
+
+
+def test_generate_colours() -> None:
+
+    assert type(btp.generate_colours('black', kind='single')) == itertools.cycle