Some test refactorings.

jedi/evaluate/sys_path.py

@@ -86,7 +86,7 @@ def _execute_code(module_path, code):
     return []
 
 
-def _paths_from_assignment(evaluator, expr_stmt):
+def _paths_from_assignment(module_context, expr_stmt):
     """
     Extracts the assigned strings from an assignment that looks as follows::
 
@@ -122,11 +122,11 @@ def _paths_from_assignment(evaluator, expr_stmt):
 
         from jedi.evaluate.iterable import py__iter__
         from jedi.evaluate.precedence import is_string
-        types = evaluator.eval_element(expr_stmt)
-        for types in py__iter__(evaluator, types, expr_stmt):
-            for typ in types:
-                if is_string(typ):
-                    yield typ.obj
+        types = module_context.create_context(expr_stmt).eval_node(expr_stmt)
+        for lazy_context in py__iter__(module_context.evaluator, types, expr_stmt):
+            for context in lazy_context.infer():
+                if is_string(context):
+                    yield context.obj
 
 
 def _paths_from_list_modifications(module_path, trailer1, trailer2):
@@ -147,7 +147,7 @@ def _paths_from_list_modifications(module_path, trailer1, trailer2):
     return _execute_code(module_path, arg.get_code())
 
 
-def _check_module(evaluator, module_context):
+def _check_module(module_context):
     """
     Detect sys.path modifications within module.
     """
@@ -162,7 +162,7 @@ def get_sys_path_powers(names):
                     if isinstance(n, tree.Name) and n.value == 'path':
                         yield name, power
 
-    sys_path = list(evaluator.sys_path)  # copy
+    sys_path = list(module_context.evaluator.sys_path)  # copy
     if isinstance(module_context, CompiledObject):
         return sys_path
 
@@ -182,7 +182,7 @@ def get_sys_path_powers(names):
                     )
                 )
             elif name.get_definition().type == 'expr_stmt':
-                sys_path.extend(_paths_from_assignment(evaluator, stmt))
+                sys_path.extend(_paths_from_assignment(module_context, stmt))
     return sys_path
 
 
@@ -201,7 +201,7 @@ def sys_path_with_modifications(evaluator, module_context):
 
     buildout_script_paths = set()
 
-    result = _check_module(evaluator, module_context)
+    result = _check_module(module_context)
     result += _detect_django_path(path)
     for buildout_script in _get_buildout_scripts(path):
         for path in _get_paths_from_buildout_script(evaluator, buildout_script):
@@ -225,11 +225,12 @@ def load(buildout_script):
         return p.module
 
     cached = load_parser(buildout_script)
-    module = cached and cached.module or load(buildout_script)
-    if not module:
+    module_node = cached and cached.module or load(buildout_script)
+    if module_node is None:
         return
 
-    for path in _check_module(evaluator, module):
+    from jedi.evaluate.representation import ModuleContext
+    for path in _check_module(ModuleContext(evaluator, module_node)):
         yield path
 
 

test/test_evaluate/test_buildout_detection.py

@@ -7,11 +7,19 @@
                                     sys_path_with_modifications,
                                     _check_module)
 from jedi.evaluate import Evaluator
+from jedi.evaluate.representation import ModuleContext
 from jedi.parser import ParserWithRecovery, load_grammar
 
 from ..helpers import cwd_at
 
 
+def check_module_test(code):
+    grammar = load_grammar()
+    p = ParserWithRecovery(grammar, code)
+    module_context = ModuleContext(Evaluator(grammar), p.module)
+    return _check_module(module_context)
+
+
 @cwd_at('test/test_evaluate/buildout_project/src/proj_name')
 def test_parent_dir_with_file():
     parent = _get_parent_dir_with_file(
@@ -30,44 +38,44 @@ def test_buildout_detection():
 
 
 def test_append_on_non_sys_path():
-    SRC = dedent(u("""
+    code = dedent(u("""
         class Dummy(object):
             path = []
 
         d = Dummy()
         d.path.append('foo')"""))
-    grammar = load_grammar()
-    p = ParserWithRecovery(grammar, SRC)
-    paths = _check_module(Evaluator(grammar), p.module)
+
+    paths = check_module_test(code)
     assert len(paths) > 0
     assert 'foo' not in paths
 
 
 def test_path_from_invalid_sys_path_assignment():
-    SRC = dedent(u("""
+    code = dedent(u("""
         import sys
         sys.path = 'invalid'"""))
-    grammar = load_grammar()
-    p = ParserWithRecovery(grammar, SRC)
-    paths = _check_module(Evaluator(grammar), p.module)
+
+    paths = check_module_test(code)
     assert len(paths) > 0
     assert 'invalid' not in paths
 
 
 @cwd_at('test/test_evaluate/buildout_project/src/proj_name/')
 def test_sys_path_with_modifications():
-    SRC = dedent(u("""
+    code = dedent(u("""
         import os
     """))
+
+    path = os.path.abspath(os.path.join(os.curdir, 'module_name.py'))
     grammar = load_grammar()
-    p = ParserWithRecovery(grammar, SRC)
-    p.module.path = os.path.abspath(os.path.join(os.curdir, 'module_name.py'))
-    paths = sys_path_with_modifications(Evaluator(grammar), p.module)
+    p = ParserWithRecovery(grammar, code, module_path=path)
+    module_context = ModuleContext(Evaluator(grammar), p.module)
+    paths = sys_path_with_modifications(module_context.evaluator, module_context)
     assert '/tmp/.buildout/eggs/important_package.egg' in paths
 
 
 def test_path_from_sys_path_assignment():
-    SRC = dedent(u("""
+    code = dedent(u("""
         #!/usr/bin/python
 
         import sys
@@ -82,8 +90,7 @@ def test_path_from_sys_path_assignment():
 
         if __name__ == '__main__':
             sys.exit(important_package.main())"""))
-    grammar = load_grammar()
-    p = ParserWithRecovery(grammar, SRC)
-    paths = _check_module(Evaluator(grammar), p.module)
+
+    paths = check_module_test(code)
     assert 1 not in paths
     assert '/home/test/.buildout/eggs/important_package.egg' in paths

test/test_evaluate/test_precedence.py

@@ -1,6 +1,5 @@
-from jedi.parser import load_grammar, Parser
-from jedi.evaluate import Evaluator
 from jedi.evaluate.compiled import CompiledObject
+from jedi import Script
 
 import pytest
 
@@ -12,9 +11,7 @@
     '... == ...'
 ])
 def test_equals(source):
-    evaluator = Evaluator(load_grammar())
-    node = Parser(load_grammar(), source, 'eval_input').get_parsed_node()
-    results = evaluator.eval_element(node)
-    assert len(results) == 1
-    first = results.pop()
+    script = Script(source)
+    node = script._get_module_node().children[0].children[0]
+    first, = script._get_module().eval_node(node)
     assert isinstance(first, CompiledObject) and first.obj is True

test/test_evaluate/test_representation.py

@@ -5,7 +5,7 @@
 
 def get_definition_and_evaluator(source):
     d = Script(dedent(source)).goto_definitions()[0]
-    return d._name.parent, d._evaluator
+    return d._name.parent_context, d._evaluator
 
 
 def test_function_execution():
@@ -22,8 +22,8 @@ def x():
     # Now just use the internals of the result (easiest way to get a fully
     # usable function).
     # Should return the same result both times.
-    assert len(evaluator.execute(func)) == 1
-    assert len(evaluator.execute(func)) == 1
+    assert len(func.execute_evaluated()) == 1
+    assert len(func.execute_evaluated()) == 1
 
 
 def test_class_mro():
@@ -33,4 +33,4 @@ class X(object):
     X"""
     cls, evaluator = get_definition_and_evaluator(s)
     mro = cls.py__mro__()
-    assert [str(c.name) for c in mro] == ['X', 'object']
+    assert [c.name.string_name for c in mro] == ['X', 'object']

test/test_evaluate/test_sys_path.py

@@ -4,16 +4,15 @@
 
 import pytest
 
-from jedi._compatibility import unicode
-from jedi.parser import ParserWithRecovery, load_grammar
-from jedi.evaluate import sys_path, Evaluator
+from jedi.evaluate import sys_path
+from jedi import Script
 
 
 def test_paths_from_assignment():
     def paths(src):
-        grammar = load_grammar()
-        stmt = ParserWithRecovery(grammar, unicode(src)).module.statements[0]
-        return set(sys_path._paths_from_assignment(Evaluator(grammar), stmt))
+        script = Script(src)
+        stmt = script._get_module_node().statements[0]
+        return set(sys_path._paths_from_assignment(script._get_module(), stmt))
 
     assert paths('sys.path[0:0] = ["a"]') == set(['a'])
     assert paths('sys.path = ["b", 1, x + 3, y, "c"]') == set(['b', 'c'])

test/test_parser/test_old_fast_parser.py

@@ -257,7 +257,7 @@ def foo():
     """)
 
     script = jedi.Script(dedent(source))
-    script._get_module().end_pos == (6, 0)
+    script._get_module().module_node.end_pos == (6, 0)
     assert script.completions()
 
 
@@ -275,7 +275,7 @@ def bla():
 
     s = jedi.Script(source)
     assert s.completions()
-    assert s._get_module().get_code() == source
+    assert s._get_module().module_node.get_code() == source
 
 
 def test_round_trip():

test/test_parser/test_tokenize.py

@@ -121,7 +121,7 @@ def test_quoted_strings(self):
 def test_tokenizer_with_string_literal_backslash():
     import jedi
     c = jedi.Script("statement = u'foo\\\n'; statement").goto_definitions()
-    assert c[0]._name.parent.obj == 'foo'
+    assert c[0]._name.parent_context.obj == 'foo'
 
 
 def test_ur_literals():