diff --git a/tests/test_tree_structurer.py b/tests/test_tree_structurer.py
index 4ff8207..86cc519 100644
--- a/tests/test_tree_structurer.py
+++ b/tests/test_tree_structurer.py
@@ -1,20 +1,22 @@
 import pytest
 from pathlib import Path
-from prodir import create_tree_structurer, get_structure
+from prodir import create_tree_structurer, get_structure, create_structure_from_file
+import re
+
 
 def test_basic_structure(temp_directory):
     """Test that the basic directory structure is correctly represented."""
     create_tree_structurer()
     structure = get_structure(str(temp_directory))
-    
+
     # Convert structure to set for easier comparison
     structure_set = set(structure)
-    
+
     # Print actual structure for debugging
     print("\nActual structure:")
     for line in structure:
         print(f"'{line}'")
-    
+
     # Expected entries (adjusted based on actual implementation)
     must_contain = [
         "README.md",
@@ -25,12 +27,12 @@ def test_basic_structure(temp_directory):
         "utils",
         "helper.py"
     ]
-    
+
     # Check that all required components are present somewhere in the structure
     for entry in must_contain:
         assert any(entry in line for line in structure), \
             f"Required entry '{entry}' not found in structure"
-    
+
     # Check that ignored directories/files are not present
     ignored_patterns = {
         "__pycache__",
@@ -39,7 +41,7 @@ def test_basic_structure(temp_directory):
         "main.pyc",
         ".gitignore"
     }
-    
+
     for entry in structure:
         for ignored in ignored_patterns:
             assert ignored not in entry, \
@@ -69,21 +71,89 @@ def test_nested_structure(temp_directory):
     deep_path = temp_directory / "deep" / "nested" / "structure"
     deep_path.mkdir(parents=True)
     (deep_path / "test.py").touch()
-    
+
     create_tree_structurer()
     structure = get_structure(str(temp_directory))
-    
+
     # Print actual structure for debugging
     print("\nDeep structure:")
     for line in structure:
         print(f"'{line}'")
-    
+
     # Verify that all components of the deep path are present
     deep_components = ["deep", "nested", "structure", "test.py"]
     for component in deep_components:
         assert any(component in line for line in structure), \
             f"Deep component '{component}' not found in structure"
-    
+
     # Verify tree-like formatting is present
     assert any("└" in line or "├" in line for line in structure), \
         "Tree-like formatting characters not found in structure"
+
+def test_invalid_indentation_structure(temp_directory):
+    """Test handling of invalid indentation in the directory structure."""
+    create_tree_structurer()
+    # Create a file with invalid indentation
+    invalid_file_path = temp_directory / "invalid_structure.txt"
+    invalid_content = [
+        "root/",
+        "├── child1/",
+        "│   └── grandchild1",
+        "grandchild2"  # Invalid indentation jump
+    ]
+    invalid_file_path.write_text("\n".join(invalid_content), encoding='utf-8')
+
+    try:
+        create_structure_from_file(str(invalid_file_path), str(temp_directory))
+        pytest.fail("Expected an exception for invalid indentation")
+    except Exception as e:  # Changed from RuntimeError
+        assert "Invalid indentation structure in the file" in str(e)
+
+def test_create_structure_from_file(temp_directory):
+    """Test creating a directory structure from a file."""
+    structure_file_path = temp_directory / "valid_structure.txt"
+    valid_content = """
+project/
+├── src/
+│   ├── __init__.py
+│   ├── main.py
+│   ├── module1.py
+│   └── module2.py
+├── config/
+│   └── config.yaml
+├── .gitignore
+├── pyproject.toml
+├── setup.py
+├── LICENSE
+└── README.md
+    """
+    structure_file_path.write_text(valid_content, encoding='utf-8')
+    
+    # Create the structure
+    target_dir = temp_directory / "project"
+    create_structure_from_file(str(structure_file_path), str(target_dir))
+    
+    # Remove the source file
+    structure_file_path.unlink()
+    
+    # Define expected structure with proper tree markers
+    expected_structure = [
+        "LICENSE",
+        "README.md",
+        "config/",
+        "└── config.yaml",
+        "pyproject.toml",
+        "setup.py",
+        "src/",
+        "├── __init__.py",
+        "├── main.py",
+        "├── module1.py",
+        "└── module2.py"
+    ]
+    
+    # Get actual structure
+    actual_structure = get_structure(str(target_dir))
+    
+    # Compare the structures
+    assert actual_structure == expected_structure, \
+        f"Expected structure:\n{expected_structure}\n\nGot:\n{actual_structure}"
\ No newline at end of file