diff --git a/setup.cfg b/apps/common/tests/__init__.py
similarity index 100%
rename from setup.cfg
rename to apps/common/tests/__init__.py
diff --git a/apps/common/tests/test_api.py b/apps/common/tests/test_api.py
new file mode 100644
index 0000000..1117018
--- /dev/null
+++ b/apps/common/tests/test_api.py
@@ -0,0 +1,52 @@
+from django.urls import reverse
+from faker import Faker
+from model_bakery import baker
+from rest_framework.test import APITestCase
+
+from apps.common.models import GenericSource
+from apps.common.tests.test_common import LoggedInMixin
+
+fake = Faker()
+
+
+class TestGenericSourceViewSet(LoggedInMixin, APITestCase):
+    def setUp(self):
+        self.generic_source = baker.make(
+            GenericSource, description=fake.text()
+        )
+        super().setUp()
+
+    def test_create(self):
+        data = {"name": fake.name(), "description": fake.text()}
+        url = reverse("genericsource-list")
+        response = self.client.post(url, data)
+        assert response.status_code == 201
+
+    def test_get(self):
+        fake_data = baker.make(
+            GenericSource, name=fake.name(), description=fake.text()
+        )
+        url = reverse("genericsource-detail", kwargs={"pk": fake_data.id})
+        response = self.client.get(url)
+        assert response.status_code == 200
+
+    def test_get_all(self):
+        url = reverse("genericsource-list")
+        response = self.client.get(url)
+        assert response.status_code == 200
+
+    def test_update(self):
+        fake_data = baker.make(
+            GenericSource, name=fake.name(), description=fake.text()
+        )
+        url = reverse("genericsource-detail", kwargs={"pk": fake_data.id})
+        response = self.client.patch(url, {"name": "changed name"})
+        assert response.status_code == 200
+
+    def test_delete(self):
+        fake_data = baker.make(
+            GenericSource, name=fake.name(), description=fake.text()
+        )
+        url = reverse("genericsource-detail", kwargs={"pk": fake_data.id})
+        response = self.client.delete(url)
+        assert response.status_code == 204
diff --git a/apps/common/tests/test_common.py b/apps/common/tests/test_common.py
new file mode 100644
index 0000000..5eca67e
--- /dev/null
+++ b/apps/common/tests/test_common.py
@@ -0,0 +1,31 @@
+import uuid
+
+from django.contrib.auth import get_user_model
+from django.contrib.auth.models import Permission
+from faker import Faker
+from rest_framework.test import APIRequestFactory, APITestCase
+
+fake = Faker()
+factory = APIRequestFactory()
+
+
+class LoggedInMixin(APITestCase):
+    """A mixin for user to be used across these tests."""
+
+    def setUp(self):
+        """Create a test user for the logged-in session."""
+        super(LoggedInMixin, self).setUp()
+        username = str(uuid.uuid4())
+        self.user = get_user_model().objects.create_superuser(
+            email=fake.email(),
+            password="pass@123",
+            username=username,
+        )
+        all_perms = Permission.objects.all()
+        for perm in all_perms:
+            self.user.user_permissions.add(perm)
+        self.user.save()
+
+        assert (
+            self.client.login(username=username, password="pass@123") is True
+        )
diff --git a/apps/dashboards/tests/__init__.py b/apps/dashboards/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/apps/dashboards/tests/test_api.py b/apps/dashboards/tests/test_api.py
new file mode 100644
index 0000000..e67bb08
--- /dev/null
+++ b/apps/dashboards/tests/test_api.py
@@ -0,0 +1,94 @@
+from django.urls import reverse
+from faker import Faker
+from model_bakery import baker
+from rest_framework.test import APIRequestFactory, APITestCase
+
+from apps.common.tests.test_common import LoggedInMixin
+from apps.dashboards.models import Dashboard, Visualization
+
+fake = Faker()
+factory = APIRequestFactory()
+
+
+class TestVisualizationViewSet(LoggedInMixin, APITestCase):
+    def setUp(self):
+        self.visualization = baker.make(Visualization)
+        super().setUp()
+
+    def test_create(self):
+        data = {
+            "title": self.visualization.title,
+            "description": self.visualization.description,
+            "source": self.visualization.source,
+            "width": self.visualization.width,
+            "height": self.visualization.height,
+            "weight": self.visualization.weight,
+            "is_published": self.visualization.is_published,
+        }
+        url = reverse("visualization-list")
+        response = self.client.post(url, data)
+        assert response.status_code == 201
+
+    def test_get(self):
+        fake_data = baker.make(Visualization)
+        url = reverse("visualization-detail", kwargs={"pk": fake_data.id})
+        response = self.client.get(url)
+        assert response.status_code == 200
+
+    def test_get_all(self):
+        url = reverse("visualization-list")
+        response = self.client.get(url)
+        assert response.status_code == 200
+
+    def test_update(self):
+        fake_data = baker.make(Visualization)
+        url = reverse("visualization-detail", kwargs={"pk": fake_data.id})
+        response = self.client.patch(url, {"title": "updated title"})
+        assert response.status_code == 200
+
+    def test_delete(self):
+        fake_data = baker.make(Visualization)
+        url = reverse("visualization-detail", kwargs={"pk": fake_data.id})
+        response = self.client.delete(url)
+        assert response.status_code == 204
+
+
+class TestDashboardViewSet(LoggedInMixin, APITestCase):
+    def setUp(self):
+        self.dashboard = baker.make(Dashboard)
+        super().setUp()
+
+    def test_create(self):
+        data = {
+            "title": self.dashboard.title,
+            "description": self.dashboard.description,
+            "layout": self.dashboard.layout,
+            "weight": self.dashboard.weight,
+            "visualizations": self.dashboard.visualizations,
+        }
+        url = reverse("dashboard-list")
+        response = self.client.post(url, data)
+        assert response.status_code == 201
+
+    def test_get(self):
+        fake_data = baker.make(Dashboard)
+        url = reverse("dashboard-detail", kwargs={"pk": fake_data.id})
+        response = self.client.get(url)
+        assert response.status_code == 200
+
+    def test_get_all(self):
+        url = reverse("dashboard-list")
+        response = self.client.get(url)
+        assert response.status_code == 200
+
+    def test_update(self):
+        fake_data = baker.make(Dashboard)
+        url = reverse("dashboard-detail", kwargs={"pk": fake_data.id})
+        response = self.client.patch(url, {"title": "updated title"})
+        assert response.status_code == 200
+
+    def test_delete(self):
+        fake_data = baker.make(Dashboard)
+        url = reverse("dashboard-detail", kwargs={"pk": fake_data.id})
+        response = self.client.delete(url)
+        assert response.status_code == 204
diff --git a/apps/sql_data/models.py b/apps/sql_data/models.py
index 2a332a5..0c264c5 100644
--- a/apps/sql_data/models.py
+++ b/apps/sql_data/models.py
@@ -173,7 +173,7 @@ def data_source_name(self) -> str:
     @property
     def is_complete(self) -> bool:
         # TODO: Add implementation.
-        return False
+        return False  # pragma: no cover
 
     class Meta(AbstractExtractMetadata.Meta):
         verbose_name_plural = "Sql upload metadata"
diff --git a/apps/sql_data/tests/__init__.py b/apps/sql_data/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/apps/sql_data/tests/test_api.py b/apps/sql_data/tests/test_api.py
new file mode 100644
index 0000000..847fe3f
--- /dev/null
+++ b/apps/sql_data/tests/test_api.py
@@ -0,0 +1,48 @@
+from django.urls import reverse
+from faker import Faker
+from model_bakery import baker
+from rest_framework.test import APIRequestFactory, APITestCase
+
+from apps.common.tests.test_common import LoggedInMixin
+from apps.sql_data.models import SQLUploadChunk, SQLUploadMetadata
+
+fake = Faker()
+factory = APIRequestFactory()
+
+
+class TestSQLUploadChunkViewSet(LoggedInMixin, APITestCase):
+    def setUp(self):
+        self.sql_upload_chunk = baker.make(SQLUploadChunk)
+        super().setUp()
+
+    def test_get(self):
+        fake_data = baker.make(SQLUploadChunk)
+        url = reverse("sqluploadchunk-detail", kwargs={"pk": fake_data.id})
+        response = self.client.get(url)
+        assert response.status_code == 200
+
+    def test_get_all(self):
+        url = reverse("sqluploadchunk-list")
+        response = self.client.get(url)
+        assert response.status_code == 200
+
+    def test_update(self):
+        fake_data = baker.make(SQLUploadChunk)
+        url = reverse("sqluploadchunk-detail", kwargs={"pk": fake_data.id})
+        response = self.client.patch(url, {"chunk-index": 4})
+        assert response.status_code == 200
+
+
+class TestSQLUploadMetadataViewSet(LoggedInMixin, APITestCase):
+    def setUp(self):
+        self.upload_metadata = baker.make(SQLUploadMetadata)
+        super().setUp()
+
+    def test_create(self):
+        data = {"chunk_index": 1}
+        url = reverse(
+            "sqluploadmetadata-start-chunk-upload",
+            kwargs={"pk": self.upload_metadata.pk},
+        )
+        response = self.client.post(url, data, format="json")
+        assert response.status_code == 201
diff --git a/apps/sql_data/tests/test_models.py b/apps/sql_data/tests/test_models.py
new file mode 100644
index 0000000..9f5405a
--- /dev/null
+++ b/apps/sql_data/tests/test_models.py
@@ -0,0 +1,69 @@
+import pytest
+from django.conf import settings
+from faker import Faker
+from model_bakery import baker
+from rest_framework.test import APITestCase
+
+from apps.common.tests.test_common import LoggedInMixin
+from apps.sql_data.models import (
+    DataSourceVersion,
+    SQLExtractMetadata,
+    SQLUploadChunk,
+    SQLUploadMetadata,
+    sql_extracts_upload_to,
+)
+
+pytestmark = pytest.mark.django_db
+
+fake = Faker()
+
+
+class InitializeTestData(LoggedInMixin, APITestCase):
+    def setUp(self):
+        self.upload_chunk = baker.make(
+            SQLUploadChunk, chunk_content=fake.file_name()
+        )
+        self.data_source_version = baker.make(DataSourceVersion)
+        self.extract_metadata = baker.make(SQLExtractMetadata)
+        self.sql_upload_metadata = baker.make(
+            SQLUploadMetadata, extract_metadata=self.extract_metadata
+        )
+
+        super().setUp()
+
+    def test_upload_metadata(self):
+        assert (
+            self.extract_metadata.data_source.name
+            == self.sql_upload_metadata.data_source_name
+        )
+
+    def test_uploaded_chunk_str(self):
+        assert str(self.upload_chunk) == str(
+            self.upload_chunk.chunk_index
+        ) + "__" + str(self.upload_chunk.id)
+
+        sql_upload_chunk = self.upload_chunk
+        meta = sql_upload_chunk.upload_metadata.extract_metadata
+        extracts_group_name: str = meta.preferred_uploads_name or meta.name
+        name = sql_upload_chunk.upload_metadata.name
+        chunk_index = sql_upload_chunk.chunk_index
+        pk = str(sql_upload_chunk.pk)
+        assert sql_extracts_upload_to(
+            sql_upload_chunk, fake.text()
+        ) == "%s/%s/%s/%s/%d__%s" % (
+            settings.BASE_EXTRACTS_UPLOAD_DIR_NAME,
+            settings.SQL_EXTRACTS_UPLOAD_DIR_NAME,
+            extracts_group_name,
+            name,
+            chunk_index,
+            pk,
+        )
+
+    def test_data_source_version_str(self):
+        assert (
+            str(self.data_source_version)
+            == str(self.data_source_version.data_source)
+            + " v("
+            + str(self.data_source_version.data_source_version)
+            + ")"
+        )
diff --git a/pyproject.toml b/pyproject.toml
index bbf99bc..951761d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.black]
 line-length = 79
-target-version = ["py37"]
+target-version = ["py39"]
 
 
 [tool.coverage.html]
@@ -78,7 +78,7 @@ typeCheckingMode = "basic"
 
 
 [tool.pytest.ini_options]
-addopts = "--ds=config.settings.test --cov-fail-under=53 --cov --cov-config=pyproject.toml --cov-report=html --cov-report=term-missing -n auto --junitxml='junitxml_report/report.xml' -v --durations=10 --cache-clear --create-db"
+addopts = "--ds=config.settings.test --cov-fail-under=90 --cov --cov-config=pyproject.toml --cov-report=html --cov-report=term-missing -n auto --junitxml='junitxml_report/report.xml' -v --durations=10 --cache-clear --create-db"
 console_output_style = "progress"
 log_cli = 1
 log_cli_date_format = "%Y-%m-%d %H:%M:%S"
diff --git a/requirements/test.txt b/requirements/test.txt
index 3b7036c..a9b6520 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -27,7 +27,7 @@ pytest-sugar~=0.9.5
 pytest-xdist~=2.5.0
 pytest~=7.1.2
 tox~=3.25.1
-
+model-bakery~=1.7.0
 
 # Coverage
 # -----------------------------------------------------------------------------