1 files changed, 77 insertions, 0 deletions
diff --git a/wqflask/tests/unit/base/test_species.py b/wqflask/tests/unit/base/test_species.py
index 42aa9092..487bbd7f 100644
--- a/wqflask/tests/unit/base/test_species.py
+++ b/wqflask/tests/unit/base/test_species.py
@@ -4,6 +4,27 @@ import unittest
 from unittest import mock
 from base.species import TheSpecies
 from base.species import IndChromosome
+from base.species import Chromosomes
+from collections import OrderedDict
+from wqflask import app
+from dataclasses import dataclass
+
+
+@dataclass
+class MockChromosome:
+    OrderId: int
+    Name: str
+    Length: int
+
+
+@dataclass
+class MockGroup:
+    name: str
+
+
+@dataclass
+class MockDataset:
+    group: MockGroup
 
 
 class TestTheSpecies(unittest.TestCase):
@@ -37,3 +58,59 @@ class TestIndChromosome(unittest.TestCase):
         self.assertEqual(test_ind_chromosome.name, "Test")
         self.assertEqual(test_ind_chromosome.length, 10000000)
         self.assertEqual(test_ind_chromosome.mb_length, 10)
+
+
+class TestChromosomes(unittest.TestCase):
+    """Tests for Chromosomes class"""
+    maxDiff = None
+
+    def setUp(self):
+        self.app_context = app.app_context()
+        self.app_context.push()
+
+    def tearDown(self):
+        self.app_context.pop()
+
+    @mock.patch("base.species.g")
+    def test_create_chromosomes_with_no_species(self, mock_db):
+        """Test instantiating a chromosome without a species"""
+        mock_db.db.execute.return_value.fetchall.return_value = [
+            MockChromosome(1, "X", 100),
+            MockChromosome(2, "Y", 1000),
+            MockChromosome(3, "Z", 10000),
+        ]
+        mock_dataset = MockDataset(MockGroup("Random"))
+        test_chromosomes = Chromosomes(dataset=mock_dataset)
+        mock_db.db.execute.assert_called_with(
+            "SELECT Chr_Length.Name, Chr_Length.OrderId, Length "
+            "FROM Chr_Length, InbredSet WHERE "
+            "Chr_Length.SpeciesId = InbredSet.SpeciesId AND "
+            "InbredSet.Name = 'Random' ORDER BY OrderId"
+        )
+        self.assertEqual(
+            list(test_chromosomes.chromosomes.keys()),
+            [1, 2, 3]
+        )
+        self.assertEqual(test_chromosomes.dataset, mock_dataset)
+
+    @mock.patch("base.species.g")
+    def test_create_chromosomes_with_species(self, mock_db):
+        """Test instantiating a chromosome with a species"""
+        mock_db.db.execute.return_value.fetchall.return_value = [
+            MockChromosome(1, "X", 100),
+            MockChromosome(2, "Y", 1000),
+            MockChromosome(3, "Z", 10000),
+        ]
+        mock_dataset = MockDataset(MockGroup("Random"))
+        test_chromosomes = Chromosomes(dataset=mock_dataset,
+                                       species="testSpecies")
+        mock_db.db.execute.assert_called_with(
+            "SELECT Chr_Length.Name, Chr_Length.OrderId, Length "
+            "FROM Chr_Length, Species WHERE "
+            "Chr_Length.SpeciesId = Species.SpeciesId AND "
+            "Species.Name = 'Testspecies' ORDER BY OrderId"
+        )
+        self.assertEqual(
+            list(test_chromosomes.chromosomes.keys()),
+            [1, 2, 3]
+        )