From a1de2b36590341b693db312d0b34bf53fbde9171 Mon Sep 17 00:00:00 2001
From: Gard Spreemann <gspr@nonempty.org>
Date: Mon, 9 Mar 2020 11:17:26 +0100
Subject: Add tests.

---
 debian/tests/examples.py | 76 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100755 debian/tests/examples.py

(limited to 'debian/tests/examples.py')

diff --git a/debian/tests/examples.py b/debian/tests/examples.py
new file mode 100755
index 0000000..a5a4836
--- /dev/null
+++ b/debian/tests/examples.py
@@ -0,0 +1,76 @@
+#!/usr/bin/python3
+
+import numpy as np
+import subprocess
+
+def parse_output(s):
+    ret = []
+    current_dim = None
+    for line in s.splitlines():
+        if line.startswith("persistence intervals in dim"):
+            splitline = line.rstrip().rstrip(":").split(" ")
+            assert(len(splitline) == 5)
+            current_dim = int(splitline[-1])
+            while len(ret) < current_dim + 1:
+                ret.append(([], []))
+        elif line.startswith(" ["):
+            splitline = line.lstrip(" [").rstrip().rstrip(")").split(",")
+            assert(len(splitline) == 2)
+            if splitline[1].strip() == "":
+                ret[current_dim][1].append(float(splitline[0]))
+            else:
+                ret[current_dim][0].append((float(splitline[0]), float(splitline[1])))
+
+    return ret
+
+def main():
+    tests = [(None, "lower-distance", 2, "sphere_3_192.lower_distance_matrix"),
+             (None, "distance", 2, "projective_plane.csv"),
+             (None, "dipha", 2, "projective_plane.dipha"),
+             (None, "lower-distance", 2, "projective_plane.lower_distance_matrix"),
+             (2, "lower-distance", 2, "sphere_3_192.lower_distance_matrix"),
+             (2, "distance", 2, "projective_plane.csv"),
+             (2, "dipha", 2, "projective_plane.dipha"),
+             (2, "lower-distance", 2, "projective_plane.lower_distance_matrix")]
+             
+    for (coeff, format, dim, prefix) in tests:
+        if coeff is None:
+            print("Running test %s." %(prefix))
+            proc = subprocess.Popen(["/usr/bin/ripser", "--dim", str(dim), "--format", format, "examples/%s" %(prefix)], stdout=subprocess.PIPE)
+        else:
+            print("Running test %s with coefficients in Z/%dZ." %(prefix, coeff))
+            proc = subprocess.Popen(["/usr/bin/ripser-coeff", "--modulus", str(coeff), "--dim", str(dim), "--format", format, "examples/%s" %(prefix)], stdout=subprocess.PIPE)
+            
+        output = proc.communicate()[0].decode("utf-8")
+        assert(proc.returncode == 0)
+        pd = parse_output(output)
+
+        with open("debian/tests/reference/%s.txt" %(prefix), "r") as f:
+            pd_ref = parse_output(f.read())
+
+        assert(len(pd) == len(pd_ref))
+
+        for d in range(0, len(pd)):
+            fin = np.array(sorted(pd[d][0]))
+            inf = np.array(sorted(pd[d][1]))
+            print("Finite bars in dimension %d:" %(d))
+            print(fin)
+            print("Infinite bars in dimension %d:" %(d))
+            print(inf)
+            
+            fin_ref = np.array(sorted(pd_ref[d][0]))
+            inf_ref = np.array(sorted(pd_ref[d][1]))
+
+            assert(fin.shape == fin_ref.shape)
+            assert(inf.shape == inf_ref.shape)
+
+            np.testing.assert_allclose(fin, fin_ref)
+            np.testing.assert_allclose(inf, inf_ref)
+
+            print("------")
+
+        print("-------------------------------------------------")
+        
+
+if __name__ == "__main__":
+    main()
-- 
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