From 1c6e96e7ddaca0fd0f8295ac5531c161d14501cb Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 15 Apr 2024 06:58:55 +0200
Subject: Merging upstream version 1.7.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/test_tree.py | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'tests/test_tree.py')

diff --git a/tests/test_tree.py b/tests/test_tree.py
index 287b734..6fd6a64 100644
--- a/tests/test_tree.py
+++ b/tests/test_tree.py
@@ -35,6 +35,14 @@ class TreeCase(unittest.TestCase):
         #       |-- George
         self.tree = tree
         self.copytree = Tree(self.tree, deep=True)
+        self.input_dict = {
+            "Bill": "Harry",
+            "Jane": "Harry",
+            "Harry": None,
+            "Diane": "Jane",
+            "Mark": "Jane",
+            "Mary": "Harry",
+        }
 
     @staticmethod
     def get_t1():
@@ -734,3 +742,29 @@ Hárry
         t.create_node(identifier="root-B")
         self.assertEqual(len(t.nodes.keys()), 1)
         self.assertEqual(t.root, "root-B")
+
+    def test_from_map(self):
+        tree = Tree.from_map(self.input_dict)
+        self.assertTrue(tree.size() == 6)
+        self.assertTrue(
+            tree.root == [k for k, v in self.input_dict.items() if v is None][0]
+        )
+        tree = Tree.from_map(self.input_dict, id_func=lambda x: x.upper())
+        self.assertTrue(tree.size() == 6)
+
+        def data_func(x):
+            return x.upper()
+
+        tree = Tree.from_map(self.input_dict, data_func=data_func)
+        self.assertTrue(tree.size() == 6)
+        self.assertTrue(
+            tree.get_node(tree.root).data
+            == data_func([k for k, v in self.input_dict.items() if v is None][0])
+        )
+        with self.assertRaises(ValueError):
+            # invalid input payload without a root
+            tree = Tree.from_map({"a": "b"})
+
+        with self.assertRaises(ValueError):
+            # invalid input payload without more than 1 root
+            tree = Tree.from_map({"a": None, "b": None})
-- 
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