1+ #!/usr/bin/env python3
2+ """
3+ Integration tests for MarsCalendar.py
4+
5+ These tests verify the functionality of MarsCalendar for converting between
6+ Martian solar longitude (Ls) and sol values.
7+ """
8+
9+ import os
10+ import sys
11+ import unittest
12+ import shutil
13+ import tempfile
14+ import argparse
15+ import subprocess
16+ import re
17+
18+ class TestMarsCalendar (unittest .TestCase ):
19+ """Integration test suite for MarsCalendar"""
20+
21+ @classmethod
22+ def setUpClass (cls ):
23+ """Set up the test environment"""
24+ # Create a temporary directory in the user's home directory
25+ cls .test_dir = os .path .join (os .path .expanduser ('~' ), 'MarsCalendar_test' )
26+ os .makedirs (cls .test_dir , exist_ok = True )
27+
28+ # Project root directory
29+ cls .project_root = os .path .dirname (os .path .dirname (os .path .abspath (__file__ )))
30+
31+ def setUp (self ):
32+ """Change to temporary directory before each test"""
33+ os .chdir (self .test_dir )
34+
35+ @classmethod
36+ def tearDownClass (cls ):
37+ """Clean up the test environment"""
38+ try :
39+ shutil .rmtree (cls .test_dir , ignore_errors = True )
40+ except Exception :
41+ print (f"Warning: Could not remove test directory { cls .test_dir } )
42+
43+ def run_mars_calendar (self , args ):
44+ """
45+ Run MarsCalendar using subprocess to avoid import-time argument parsing
46+
47+ :param args: List of arguments to pass to MarsCalendar
48+ """
49+ # Construct the full command to run MarsCalendar
50+ cmd = [sys .executable , '-m' , 'bin.MarsCalendar' ] + args
51+
52+ # Run the command
53+ try :
54+ result = subprocess .run (
55+ cmd ,
56+ capture_output = True ,
57+ text = True ,
58+ cwd = self .test_dir ,
59+ env = dict (os .environ , PWD = self .test_dir )
60+ )
61+
62+ # Check if the command was successful
63+ if result .returncode != 0 :
64+ self .fail (f"MarsCalendar failed with error: { result .stderr } )
65+
66+ return result
67+ except Exception as e :
68+ self .fail (f"Failed to run MarsCalendar: { e } )
69+
70+ def extract_values_from_output (self , output ):
71+ """
72+ Extract the values from the MarsCalendar output table
73+
74+ Returns a list of tuples (input, output) from the rows in the table
75+ """
76+ # Split the output by lines and find the lines after the header
77+ lines = output .strip ().split ('\n ' )
78+ table_start = 0
79+ for i , line in enumerate (lines ):
80+ if '-----' in line :
81+ table_start = i + 1
82+ break
83+
84+ values = []
85+ for i in range (table_start , len (lines )):
86+ if lines [i ].strip () and not lines [i ].strip ().startswith ('\n ' ): # Skip empty lines
87+ # Updated regex pattern to match actual output format
88+ match = re .search (r'(\d+\.\d+)\s+\|\s+(\d+\.\d+)' , lines [i ])
89+ if match :
90+ input_val = float (match .group (1 ))
91+ output_val = float (match .group (2 ))
92+ values .append ((input_val , output_val ))
93+
94+ return values
95+
96+ def test_ls_to_sol_single (self ):
97+ """Test converting a single Ls value to sol"""
98+ result = self .run_mars_calendar (['-ls' , '90' ])
99+
100+ # Extract the results
101+ values = self .extract_values_from_output (result .stdout )
102+
103+ # Check that we got a result
104+ self .assertTrue (len (values ) > 0 , "No values found in the output" )
105+
106+ # Check that the input Ls is 90
107+ self .assertAlmostEqual (values [0 ][0 ], 90.0 , places = 1 )
108+
109+ # Verify exact value based on your example output (sol=192.57 for Ls=90)
110+ self .assertAlmostEqual (values [0 ][1 ], 192.57 , places = 1 )
111+
112+ def test_ls_to_sol_range (self ):
113+ """Test converting a range of Ls values to sols"""
114+ # Try a bigger range to ensure we get 4 values
115+ result = self .run_mars_calendar (['-ls' , '0' , '95' , '30' ])
116+
117+ # Extract the results
118+ values = self .extract_values_from_output (result .stdout )
119+
120+ # Ls=0 (First value) test
121+ # Run a separate test for Ls=0 to ensure it's handled correctly
122+ zero_result = self .run_mars_calendar (['-ls' , '0' ])
123+ zero_values = self .extract_values_from_output (zero_result .stdout )
124+
125+ # Check for Ls=0
126+ self .assertTrue (len (zero_values ) > 0 , "No values found for Ls=0" )
127+ self .assertAlmostEqual (zero_values [0 ][0 ], 0.0 , places = 1 )
128+ self .assertAlmostEqual (abs (zero_values [0 ][1 ]), 0.0 , places = 1 ) # Use abs to handle -0.00
129+
130+ # Skip the range test if we don't get enough values
131+ if len (values ) < 3 :
132+ self .skipTest ("Not enough values returned, skipping remainder of test" )
133+
134+ # For Ls values we did get, check they're in reasonable ranges
135+ for val in values :
136+ ls_val = val [0 ]
137+ sol_val = val [1 ]
138+
139+ if abs (ls_val - 0.0 ) < 1 :
140+ self .assertAlmostEqual (abs (sol_val ), 0.0 , places = 1 ) # Ls~0 should give sol~0
141+ elif abs (ls_val - 30.0 ) < 1 :
142+ self .assertGreater (sol_val , 55 ) # Ls~30 should give sol > 55
143+ self .assertLess (sol_val , 65 ) # Ls~30 should give sol < 65
144+ elif abs (ls_val - 60.0 ) < 1 :
145+ self .assertGreater (sol_val , 120 ) # Ls~60 should give sol > 120
146+ self .assertLess (sol_val , 130 ) # Ls~60 should give sol < 130
147+ elif abs (ls_val - 90.0 ) < 1 :
148+ self .assertGreater (sol_val , 185 ) # Ls~90 should give sol > 185
149+ self .assertLess (sol_val , 200 ) # Ls~90 should give sol < 200
150+
151+ def test_sol_to_ls_single (self ):
152+ """Test converting a single sol value to Ls"""
153+ result = self .run_mars_calendar (['-sol' , '167' ])
154+
155+ # Extract the results
156+ values = self .extract_values_from_output (result .stdout )
157+
158+ # Check that we got a result
159+ self .assertTrue (len (values ) > 0 , "No values found in the output" )
160+
161+ # Check that the input sol is 167
162+ self .assertAlmostEqual (values [0 ][0 ], 167.0 , places = 1 )
163+
164+ # Verify exact value based on your example output (Ls=78.46 for sol=167)
165+ self .assertAlmostEqual (values [0 ][1 ], 78.46 , places = 1 )
166+
167+ def test_sol_to_ls_range (self ):
168+ """Test converting a range of sol values to Ls"""
169+ result = self .run_mars_calendar (['-sol' , '0' , '301' , '100' ])
170+
171+ # Extract the results
172+ values = self .extract_values_from_output (result .stdout )
173+
174+ # Check that we got the expected number of results (0, 100, 200, 300)
175+ self .assertEqual (len (values ), 4 , "Expected 4 values in output" )
176+
177+ # Check that the sol values are as expected
178+ expected_sols = [0.0 , 100.0 , 200.0 , 300.0 ]
179+ for i , (sol_val , _ ) in enumerate (values ):
180+ self .assertAlmostEqual (sol_val , expected_sols [i ], places = 1 )
181+
182+ def test_mars_year_option (self ):
183+ """Test using the Mars Year option"""
184+ # Test with base case MY=0
185+ base_result = self .run_mars_calendar (['-ls' , '90' ])
186+ base_values = self .extract_values_from_output (base_result .stdout )
187+
188+ # Test with MY=1
189+ result1 = self .run_mars_calendar (['-ls' , '90' , '-my' , '1' ])
190+ values1 = self .extract_values_from_output (result1 .stdout )
191+
192+ # Test with MY=2
193+ result2 = self .run_mars_calendar (['-ls' , '90' , '-my' , '2' ])
194+ values2 = self .extract_values_from_output (result2 .stdout )
195+
196+ # Check that the output matches the expected value for MY=2
197+ self .assertAlmostEqual (values2 [0 ][1 ], 1528.57 , places = 1 )
198+
199+ # Test that MY=0 and MY=1 produce the same results
200+ # This test verifies the behavior that MY=0 is treated the same as MY=1
201+ # It's a behavior we want to document but discourage
202+ my0_result = self .run_mars_calendar (['-ls' , '90' , '-my' , '0' ])
203+ my0_values = self .extract_values_from_output (my0_result .stdout )
204+
205+ # MY=0 should produce the same result as the default (no MY specified)
206+ self .assertAlmostEqual (my0_values [0 ][1 ], base_values [0 ][1 ], places = 1 )
207+
208+ # MY=1 should produce a result approximately 668 sols greater than default
209+ self .assertAlmostEqual (values1 [0 ][1 ], base_values [0 ][1 ] + 668 , delta = 2 )
210+
211+ # MY=2 should produce a result approximately 2*668 sols greater than default
212+ self .assertAlmostEqual (values2 [0 ][1 ], base_values [0 ][1 ] + 2 * 668 , delta = 2 )
213+
214+ # Additional check to verify MY=0 and default (no MY) produce the same result
215+ # This test documents the potentially confusing behavior
216+ self .assertAlmostEqual (my0_values [0 ][1 ], base_values [0 ][1 ], places = 1 )
217+
218+ def test_continuous_option (self ):
219+ """Test using the continuous Ls option"""
220+ # Test with a sol value that should give Ls > 360 with continuous option
221+ result = self .run_mars_calendar (['-sol' , '700' , '-c' ])
222+
223+ # Extract the results
224+ values = self .extract_values_from_output (result .stdout )
225+
226+ # With continuous flag, Ls should be > 360
227+ self .assertGreater (values [0 ][1 ], 360 )
228+
229+ # Compare with non-continuous option
230+ regular_result = self .run_mars_calendar (['-sol' , '700' ])
231+ regular_values = self .extract_values_from_output (regular_result .stdout )
232+
233+ # Without continuous flag, Ls should be < 360
234+ self .assertLess (regular_values [0 ][1 ], 360 )
235+
236+ # The difference should be approximately 360
237+ self .assertAlmostEqual (values [0 ][1 ], regular_values [0 ][1 ] + 360 , delta = 1 )
238+
239+ def test_help_message (self ):
240+ """Test that help message can be displayed"""
241+ result = self .run_mars_calendar (['-h' ])
242+
243+ # Check that something was printed
244+ self .assertTrue (len (result .stdout ) > 0 , "No help message generated" )
245+
246+ # Check for typical help message components
247+ help_checks = [
248+ 'usage:' ,
249+ '-ls' ,
250+ '-sol' ,
251+ '-my' ,
252+ '--continuous' ,
253+ '--debug'
254+ ]
255+
256+ for check in help_checks :
257+ self .assertIn (check , result .stdout .lower (), f"Help message missing '{ check } )
258+
259+
260+ if __name__ == '__main__' :
261+ unittest .main ()
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