API in order to get the list of IOU, Dynamips, Qemu images

tests/modules/iou/test_iou_manager.py

@@ -36,11 +36,7 @@ def iou(port_manager):
     return iou
 
 
-def test_get_application_id(loop, project, port_manager):
-    # Cleanup the IOU object
-    IOU._instance = None
-    iou = IOU.instance()
-    iou.port_manager = port_manager
+def test_get_application_id(loop, project, iou):
     vm1_id = str(uuid.uuid4())
     vm2_id = str(uuid.uuid4())
     vm3_id = str(uuid.uuid4())
@@ -54,11 +50,7 @@ def test_get_application_id(loop, project, port_manager):
     assert iou.get_application_id(vm3_id) == 1
 
 
-def test_get_application_id_multiple_project(loop, port_manager):
-    # Cleanup the IOU object
-    IOU._instance = None
-    iou = IOU.instance()
-    iou.port_manager = port_manager
+def test_get_application_id_multiple_project(loop, iou):
     vm1_id = str(uuid.uuid4())
     vm2_id = str(uuid.uuid4())
     vm3_id = str(uuid.uuid4())
@@ -72,11 +64,7 @@ def test_get_application_id_multiple_project(loop, port_manager):
     assert iou.get_application_id(vm3_id) == 3
 
 
-def test_get_application_id_no_id_available(loop, project, port_manager):
-    # Cleanup the IOU object
-    IOU._instance = None
-    iou = IOU.instance()
-    iou.port_manager = port_manager
+def test_get_application_id_no_id_available(loop, project, iou):
     with pytest.raises(IOUError):
         for i in range(1, 513):
             vm_id = str(uuid.uuid4())

tests/modules/test_manager.py

@@ -25,6 +25,14 @@ from gns3server.modules.vpcs import VPCS
 from gns3server.modules.iou import IOU
 
 
+@pytest.fixture(scope="function")
+def vpcs(port_manager):
+    VPCS._instance = None
+    vpcs = VPCS.instance()
+    vpcs.port_manager = port_manager
+    return vpcs
+
+
 @pytest.fixture(scope="function")
 def iou(port_manager):
     IOU._instance = None
@@ -33,22 +41,14 @@ def iou(port_manager):
     return iou
 
 
-def test_create_vm_new_topology(loop, project, port_manager):
-
-    VPCS._instance = None
-    vpcs = VPCS.instance()
-    vpcs.port_manager = port_manager
+def test_create_vm_new_topology(loop, project, vpcs):
     vm_id = str(uuid.uuid4())
     vm = loop.run_until_complete(vpcs.create_vm("PC 1", project.id, vm_id))
     assert vm in project.vms
 
 
-def test_create_twice_same_vm_new_topology(loop, project, port_manager):
-
+def test_create_twice_same_vm_new_topology(loop, project, vpcs):
     project._vms = set()
-    VPCS._instance = None
-    vpcs = VPCS.instance()
-    vpcs.port_manager = port_manager
     vm_id = str(uuid.uuid4())
     vm = loop.run_until_complete(vpcs.create_vm("PC 1", project.id, vm_id, console=2222))
     assert vm in project.vms
@@ -57,17 +57,13 @@ def test_create_twice_same_vm_new_topology(loop, project, port_manager):
     assert len(project.vms) == 1
 
 
-def test_create_vm_new_topology_without_uuid(loop, project, port_manager):
-
-    VPCS._instance = None
-    vpcs = VPCS.instance()
-    vpcs.port_manager = port_manager
+def test_create_vm_new_topology_without_uuid(loop, project, vpcs):
     vm = loop.run_until_complete(vpcs.create_vm("PC 1", project.id, None))
     assert vm in project.vms
     assert len(vm.id) == 36
 
 
-def test_create_vm_old_topology(loop, project, tmpdir, port_manager):
+def test_create_vm_old_topology(loop, project, tmpdir, vpcs):
 
     with patch("gns3server.modules.project.Project.is_local", return_value=True):
         # Create an old topology directory
@@ -79,9 +75,6 @@ def test_create_vm_old_topology(loop, project, tmpdir, port_manager):
         with open(os.path.join(vm_dir, "startup.vpc"), "w+") as f:
             f.write("1")
 
-        VPCS._instance = None
-        vpcs = VPCS.instance()
-        vpcs.port_manager = port_manager
         vm_id = 1
         vm = loop.run_until_complete(vpcs.create_vm("PC 1", project.id, vm_id))
         assert len(vm.id) == 36
@@ -121,3 +114,27 @@ def test_get_relative_image_path(iou, tmpdir):
         assert iou.get_relative_image_path(path2) == "test2.bin"
         assert iou.get_relative_image_path("test2.bin") == "test2.bin"
         assert iou.get_relative_image_path("../test1.bin") == path1
+
+
+def test_list_images(loop, iou, tmpdir):
+
+    fake_images = ["a.bin", "b.bin", ".blu.bin"]
+    for image in fake_images:
+        with open(str(tmpdir / image), "w+") as f:
+            f.write("1")
+
+    with patch("gns3server.modules.IOU.get_images_directory", return_value=str(tmpdir)):
+        assert loop.run_until_complete(iou.list_images()) == [
+            {"filename": "a.bin"},
+            {"filename": "b.bin"}
+        ]
+
+
+def test_list_images_empty(loop, iou, tmpdir):
+    with patch("gns3server.modules.IOU.get_images_directory", return_value=str(tmpdir)):
+        assert loop.run_until_complete(iou.list_images()) == []
+
+
+def test_list_images_directory_not_exist(loop, iou):
+    with patch("gns3server.modules.IOU.get_images_directory", return_value="/bla"):
+        assert loop.run_until_complete(iou.list_images()) == []