From 7032f7b05deac0bbd2e868ffd3fe42dd1c97fb7d Mon Sep 17 00:00:00 2001
From: uditgulati
Date: Tue, 5 Jan 2021 13:14:08 -0600
Subject: add server side class unit tests

---
 wqflask/tests/unit/wqflask/test_server_side.py | 31 ++++++++++++++++++++++++++
 wqflask/wqflask/server_side.py                 | 16 ++++++-------
 2 files changed, 39 insertions(+), 8 deletions(-)
 create mode 100644 wqflask/tests/unit/wqflask/test_server_side.py

diff --git a/wqflask/tests/unit/wqflask/test_server_side.py b/wqflask/tests/unit/wqflask/test_server_side.py
new file mode 100644
index 00000000..4f91d8ca
--- /dev/null
+++ b/wqflask/tests/unit/wqflask/test_server_side.py
@@ -0,0 +1,31 @@
+import unittest
+
+from wqflask.server_side import ServerSideTable
+
+
+class TestServerSideTableTests(unittest.TestCase):
+    """
+    Test the ServerSideTable class
+
+    test table:
+        first, second, third
+        'd', 4, 'zz'
+        'b', 2, 'aa'
+        'c', 1, 'ss'
+    """
+
+    def test_get_page(self):
+        rows_count = 3
+        table_rows = [
+            {'first': 'd', 'second': 4, 'third': 'zz'}, 
+            {'first': 'b', 'second': 2, 'third': 'aa'}, 
+            {'first': 'c', 'second': 1, 'third': 'ss'},
+        ]
+        headers = ['first', 'second', 'third']
+        request_args = {'sEcho': '1', 'iSortCol_0': '1', 'iSortingCols': '1', 'sSortDir_0': 'asc', 'iDisplayStart': '0', 'iDisplayLength': '3'}
+
+        test_page = ServerSideTable(rows_count, table_rows, headers, request_args).get_page()
+        self.assertEqual(test_page['sEcho'], '1')
+        self.assertEqual(test_page['iTotalRecords'], 'nan')
+        self.assertEqual(test_page['iTotalDisplayRecords'], '3')
+        self.assertEqual(test_page['data'], [{'first': 'b', 'second': 2, 'third': 'aa'}, {'first': 'c', 'second': 1, 'third': 'ss'}, {'first': 'd', 'second': 4, 'third': 'zz'}])
diff --git a/wqflask/wqflask/server_side.py b/wqflask/wqflask/server_side.py
index 824b00aa..5f764767 100644
--- a/wqflask/wqflask/server_side.py
+++ b/wqflask/wqflask/server_side.py
@@ -3,7 +3,7 @@
 
 
 class ServerSideTable(object):
-    '''
+    """
         This class is used to do server-side processing
         on the DataTables table such as paginating, sorting,
         filtering(not implemented) etc. This takes the load off
@@ -22,7 +22,7 @@ class ServerSideTable(object):
 
         Have a look at snp_browser_table() function in 
         wqflask/wqflask/views.py for reference use.
-    '''
+    """
 
     def __init__(self, rows_count, table_rows, header_data_names, request_values):
         self.request_values = request_values
@@ -36,12 +36,12 @@ class ServerSideTable(object):
         self.paginate_rows()
 
     def sort_rows(self):
-        '''
+        """
         Sorts the rows taking in to account the column (or columns) that the
         user has selected.
-        '''
+        """
         def is_reverse(str_direction):
-            ''' Maps the 'desc' and 'asc' words to True or False. '''
+            """ Maps the 'desc' and 'asc' words to True or False. """
             return True if str_direction == 'desc' else False
 
         if (self.request_values['iSortCol_0'] != "") and (int(self.request_values['iSortingCols']) > 0):
@@ -54,12 +54,12 @@ class ServerSideTable(object):
                               reverse=is_reverse(sort_direction))
 
     def paginate_rows(self):
-        '''
+        """
         Selects a subset of the filtered and sorted data based on if the table
         has pagination, the current page and the size of each page.
-        '''
+        """
         def requires_pagination():
-            ''' Check if the table is going to be paginated '''
+            """ Check if the table is going to be paginated """
             if self.request_values['iDisplayStart'] != "":
                 if int(self.request_values['iDisplayLength']) != -1:
                     return True
-- 
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