Add test cases for introspection functions

Author: ian-coccimiglio

tests/test_introspection.py

@@ -0,0 +1,68 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Created on Fri Mar 28 13:58:54 2025
+
+@author: ian
+"""
+
+import scyjava
+from scyjava.config import Mode, mode
+
+scyjava.config.endpoints.append("net.imagej:imagej")
+scyjava.config.endpoints.append("net.imagej:imagej-legacy:MANAGED")
+
+
+class TestIntrospection(object):
+    """
+    Test introspection functionality.
+    """
+
+    def test_find_java_methods(self):
+        if mode == Mode.JEP:
+            # JEP does not support the jclass function.
+            return
+        str_String = "java.lang.String"
+        String = scyjava.jimport(str_String)
+        str_Obj = scyjava.find_java(str_String, "methods")
+        jimport_Obj = scyjava.find_java(String, "methods")
+        assert len(str_Obj) > 0
+        assert len(jimport_Obj) > 0
+        assert jimport_Obj is not None
+        assert jimport_Obj == str_Obj
+
+    def test_find_java_fields(self):
+        if mode == Mode.JEP:
+            # JEP does not support the jclass function.
+            return
+        str_BitSet = "java.util.BitSet"
+        BitSet = scyjava.jimport(str_BitSet)
+        str_Obj = scyjava.find_java(str_BitSet, "fields")
+        bitset_Obj = scyjava.find_java(BitSet, "fields")
+        assert len(str_Obj) == 0
+        assert len(bitset_Obj) == 0
+        assert bitset_Obj is not None
+        assert bitset_Obj == str_Obj
+
+    def test_find_source(self):
+        if mode == Mode.JEP:
+            # JEP does not support the jclass function.
+            return
+        str_SF = "org.scijava.search.SourceFinder"
+        SF = scyjava.jimport(str_SF)
+        source_strSF = scyjava.java_source(str_SF)
+        source_SF = scyjava.java_source(SF)
+        github_home = "https://github.com/"
+        assert source_strSF.startsWith(github_home)
+        assert source_SF.startsWith(github_home)
+        assert source_strSF == source_SF
+
+    def test_imagej_legacy(self):
+        if mode == Mode.JEP:
+            # JEP does not support the jclass function.
+            return
+        str_RE = "ij.plugin.RoiEnlarger"
+        table = scyjava.find_java(str_RE, aspect="methods")
+        assert len([entry for entry in table if entry["static"]]) == 3
+        github_home = "https://github.com/"
+        assert scyjava.java_source(str_RE).startsWith(github_home)