1 files changed, 95 insertions, 0 deletions
diff --git a/tests/test_interpreters.py b/tests/test_interpreters.py
new file mode 100644
index 0000000..97cd3f0
--- /dev/null
+++ b/tests/test_interpreters.py
@@ -0,0 +1,95 @@
+import sys
+import os
+
+import pytest
+from tox.interpreters import *
+
+@pytest.fixture
+def interpreters():
+    return Interpreters()
+
+@pytest.mark.skipif("sys.platform != 'win32'")
+def test_locate_via_py(monkeypatch):
+    from tox._venv import locate_via_py
+    class PseudoPy:
+        def sysexec(self, *args):
+            assert args[0] == '-3.2'
+            assert args[1] == '-c'
+            # Return value needs to actually exist!
+            return sys.executable
+    @staticmethod
+    def ret_pseudopy(name):
+        assert name == 'py'
+        return PseudoPy()
+    # Monkeypatch py.path.local.sysfind to return PseudoPy
+    monkeypatch.setattr(py.path.local, 'sysfind', ret_pseudopy)
+    assert locate_via_py('3', '2') == sys.executable
+
+def test_find_executable():
+    p = find_executable(sys.executable)
+    assert p == py.path.local(sys.executable)
+    for ver in [""] + "2.4 2.5 2.6 2.7 3.0 3.1 3.2 3.3".split():
+        name = "python%s" % ver
+        if sys.platform == "win32":
+            pydir = "python%s" % ver.replace(".", "")
+            x = py.path.local("c:\%s" % pydir)
+            print (x)
+            if not x.check():
+                continue
+        else:
+            if not py.path.local.sysfind(name):
+                continue
+        p = find_executable(name)
+        assert p
+        popen = py.std.subprocess.Popen([str(p), '-V'],
+                stderr=py.std.subprocess.PIPE)
+        stdout, stderr = popen.communicate()
+        assert ver in py.builtin._totext(stderr, "ascii")
+
+def test_find_executable_extra(monkeypatch):
+    @staticmethod
+    def sysfind(x):
+        return "hello"
+    monkeypatch.setattr(py.path.local, "sysfind", sysfind)
+    t = find_executable("qweqwe")
+    assert t == "hello"
+
+def test_run_and_get_interpreter_info():
+    name = os.path.basename(sys.executable)
+    info = run_and_get_interpreter_info(name, sys.executable)
+    assert info.version_info == tuple(sys.version_info)
+    assert info.name == name
+    assert info.executable == sys.executable
+
+class TestInterpreters:
+
+    def test_get_info_self_exceptions(self, interpreters):
+        pytest.raises(ValueError, lambda:
+                      interpreters.get_info())
+        pytest.raises(ValueError, lambda:
+                      interpreters.get_info(name="12", executable="123"))
+
+    def test_get_executable(self, interpreters):
+        x = interpreters.get_executable(sys.executable)
+        assert x == sys.executable
+        assert not interpreters.get_executable("12l3k1j23")
+
+    def test_get_info__name(self, interpreters):
+        basename = os.path.basename(sys.executable)
+        info = interpreters.get_info(basename)
+        assert info.version_info == tuple(sys.version_info)
+        assert info.name == basename
+        assert info.executable == sys.executable
+        assert info.runnable
+
+    def test_get_info__name_not_exists(self, interpreters):
+        info = interpreters.get_info("qlwkejqwe")
+        assert not info.version_info
+        assert info.name == "qlwkejqwe"
+        assert not info.executable
+        assert not info.runnable
+
+    def test_get_sitepackagesdir_error(self, interpreters):
+        info = interpreters.get_info(sys.executable)
+        s = interpreters.get_sitepackagesdir(info, "")
+        assert s