Fix tests with dynamic port.

Author: T4rk1n

components/dash-core-components/tests/integration/link/test_absolute_path.py

@@ -49,7 +49,7 @@ def extras(t):
             dcc.Link(
                 children="Absolute Path",
                 id="link1",
-                href=dash_dcc.server.url + "/extra/eseehc",
+                href="/extra/eseehc",
                 refresh=True,
             ),
             dcc.Location(id="url", refresh=False),

components/dash-core-components/tests/integration/link/test_link_event.py

@@ -93,7 +93,9 @@ def display_page(pathname):
     dash_dcc.wait_for_text_to_equal("#page-content", "You are on page /test-link")
 
     wait.until(
-        lambda: test_link.get_attribute("href") == "http://localhost:8050/test-link", 3
+        lambda: test_link.get_attribute("href")
+        == "http://localhost:{}/test-link".format(dash_dcc.server.port),
+        3,
     )
     wait.until(lambda: call_count.value == 2, 3)
 

components/dash-core-components/tests/integration/location/test_location_callback.py

@@ -93,7 +93,9 @@ def update_pathname(n_clicks, current_pathname):
     # Check that link updates pathname
     dash_dcc.find_element("#test-link").click()
     until(
-        lambda: dash_dcc.driver.current_url.replace("http://localhost:8050", "")
+        lambda: dash_dcc.driver.current_url.replace(
+            "http://localhost:{}".format(dash_dcc.server.port), ""
+        )
         == "/test/pathname",
         3,
     )

tests/integration/callbacks/test_basic_callback.py

@@ -400,11 +400,18 @@ def test_cbsc008_wildcard_prop_callbacks(dash_duo):
     )
 
     input_call_count = Value("i", 0)
+    percy_enabled = Value("b", False)
+
+    def snapshot(name):
+        percy_enabled.value = os.getenv("PERCY_ENABLE", "") != ""
+        dash_duo.percy_snapshot(name=name)
+        percy_enabled.value = False
 
     @app.callback(Output("output-1", "data-cb"), [Input("input", "value")])
     def update_data(value):
         with lock:
-            input_call_count.value += 1
+            if not percy_enabled.value:
+                input_call_count.value += 1
             return value
 
     @app.callback(Output("output-1", "children"), [Input("output-1", "data-cb")])
@@ -413,7 +420,7 @@ def update_text(data):
 
     dash_duo.start_server(app)
     dash_duo.wait_for_text_to_equal("#output-1", "initial value")
-    dash_duo.percy_snapshot(name="wildcard-callback-1")
+    snapshot("wildcard-callback-1")
 
     input1 = dash_duo.find_element("#input")
     dash_duo.clear_input(input1)
@@ -423,7 +430,7 @@ def update_text(data):
             input1.send_keys(key)
 
     dash_duo.wait_for_text_to_equal("#output-1", "hello world")
-    dash_duo.percy_snapshot(name="wildcard-callback-2")
+    snapshot("wildcard-callback-2")
 
     # an initial call, one for clearing the input
     # and one for each hello world character
@@ -612,6 +619,13 @@ def test_cbsc014_multiple_properties_update_at_same_time_on_same_component(dash_
     timestamp_1 = Value("d", -5)
     timestamp_2 = Value("d", -5)
 
+    percy_enabled = Value("b")
+
+    def snapshot(name):
+        percy_enabled.value = os.getenv("PERCY_ENABLE", "") != ""
+        dash_duo.percy_snapshot(name=name)
+        percy_enabled.value = False
+
     app = Dash(__name__)
     app.layout = html.Div(
         [
@@ -629,9 +643,10 @@ def test_cbsc014_multiple_properties_update_at_same_time_on_same_component(dash_
         Input("button-2", "n_clicks_timestamp"),
     )
     def update_output(n1, t1, n2, t2):
-        call_count.value += 1
-        timestamp_1.value = t1
-        timestamp_2.value = t2
+        if not percy_enabled.value:
+            call_count.value += 1
+            timestamp_1.value = t1
+            timestamp_2.value = t2
         return "{}, {}".format(n1, n2)
 
     dash_duo.start_server(app)
@@ -640,22 +655,22 @@ def update_output(n1, t1, n2, t2):
     assert timestamp_1.value == -1
     assert timestamp_2.value == -1
     assert call_count.value == 1
-    dash_duo.percy_snapshot("Dash button-1 initialization 1")
+    snapshot("Dash button-1 initialization 1")
 
     dash_duo.find_element("#button-1").click()
     dash_duo.wait_for_text_to_equal("#container", "1, 0")
     assert timestamp_1.value > ((time.time() - (24 * 60 * 60)) * 1000)
     assert timestamp_2.value == -1
     assert call_count.value == 2
-    dash_duo.percy_snapshot("Dash button-1 click")
+    snapshot("Dash button-1 click")
     prev_timestamp_1 = timestamp_1.value
 
     dash_duo.find_element("#button-2").click()
     dash_duo.wait_for_text_to_equal("#container", "1, 1")
     assert timestamp_1.value == prev_timestamp_1
     assert timestamp_2.value > ((time.time() - 24 * 60 * 60) * 1000)
     assert call_count.value == 3
-    dash_duo.percy_snapshot("Dash button-2 click")
+    snapshot("Dash button-2 click")
     prev_timestamp_2 = timestamp_2.value
 
     dash_duo.find_element("#button-2").click()
@@ -664,7 +679,7 @@ def update_output(n1, t1, n2, t2):
     assert timestamp_2.value > prev_timestamp_2
     assert timestamp_2.value > timestamp_1.value
     assert call_count.value == 4
-    dash_duo.percy_snapshot("Dash button-2 click again")
+    snapshot("Dash button-2 click again")
 
 
 def test_cbsc015_input_output_callback(dash_duo):

tests/integration/callbacks/test_layout_paths_with_callbacks.py

@@ -10,6 +10,13 @@ def test_cblp001_radio_buttons_callbacks_generating_children(dash_duo):
     with open(os.path.join(os.path.dirname(__file__), "state_path.json")) as fp:
         EXPECTED_PATHS = json.load(fp)
 
+    percy_enabled = Value("b")
+
+    def snapshot(name):
+        percy_enabled.value = os.getenv("PERCY_ENABLE", "") != ""
+        dash_duo.percy_snapshot(name=name)
+        percy_enabled.value = False
+
     app = Dash(__name__)
     app.layout = html.Div(
         [
@@ -96,14 +103,16 @@ def test_cblp001_radio_buttons_callbacks_generating_children(dash_duo):
 
     @app.callback(Output("body", "children"), [Input("toc", "value")])
     def display_chapter(toc_value):
-        call_counts["body"].value += 1
+        if not percy_enabled.value:
+            call_counts["body"].value += 1
         return chapters[toc_value]
 
     app.config.suppress_callback_exceptions = True
 
     def generate_graph_callback(counterId):
         def callback(value):
-            call_counts[counterId].value += 1
+            if not percy_enabled.value:
+                call_counts[counterId].value += 1
             return {
                 "data": [
                     {
@@ -124,7 +133,8 @@ def callback(value):
 
     def generate_label_callback(id_):
         def update_label(value):
-            call_counts[id_].value += 1
+            if not percy_enabled.value:
+                call_counts[id_].value += 1
             return value
 
         return update_label
@@ -187,7 +197,7 @@ def check_call_counts(chapters, count):
 
     assert dash_duo.redux_state_paths == EXPECTED_PATHS["chapter1"]
     check_chapter("chapter1")
-    dash_duo.percy_snapshot(name="chapter-1")
+    snapshot(name="chapter-1")
 
     dash_duo.find_elements('input[type="radio"]')[1].click()  # switch chapters
 
@@ -198,7 +208,7 @@ def check_call_counts(chapters, count):
 
     assert dash_duo.redux_state_paths == EXPECTED_PATHS["chapter2"]
     check_chapter("chapter2")
-    dash_duo.percy_snapshot(name="chapter-2")
+    snapshot(name="chapter-2")
 
     # switch to 3
     dash_duo.find_elements('input[type="radio"]')[2].click()
@@ -210,11 +220,11 @@ def check_call_counts(chapters, count):
 
     assert dash_duo.redux_state_paths == EXPECTED_PATHS["chapter3"]
     check_chapter("chapter3")
-    dash_duo.percy_snapshot(name="chapter-3")
+    snapshot(name="chapter-3")
 
     dash_duo.find_elements('input[type="radio"]')[3].click()  # switch to 4
     dash_duo.wait_for_text_to_equal("#body", "Just a string")
-    dash_duo.percy_snapshot(name="chapter-4")
+    snapshot(name="chapter-4")
 
     paths = dash_duo.redux_state_paths
     assert paths["objs"] == {}
@@ -234,4 +244,4 @@ def check_call_counts(chapters, count):
         lambda: dash_duo.redux_state_paths == EXPECTED_PATHS["chapter1"], TIMEOUT
     )
     check_chapter("chapter1")
-    dash_duo.percy_snapshot(name="chapter-1-again")
+    snapshot(name="chapter-1-again")

tests/integration/renderer/test_dependencies.py

@@ -1,3 +1,4 @@
+import os
 from multiprocessing import Value
 
 from dash import Dash, html, dcc, Input, Output
@@ -10,10 +11,17 @@ def test_rddp001_dependencies_on_components_that_dont_exist(dash_duo):
     )
 
     output_1_call_count = Value("i", 0)
+    percy_enabled = Value("b")
+
+    def snapshot(name):
+        percy_enabled.value = os.getenv("PERCY_ENABLE", "") != ""
+        dash_duo.percy_snapshot(name=name)
+        percy_enabled.value = False
 
     @app.callback(Output("output-1", "children"), [Input("input", "value")])
     def update_output(value):
-        output_1_call_count.value += 1
+        if not percy_enabled.value:
+            output_1_call_count.value += 1
         return value
 
     # callback for component that doesn't yet exist in the dom
@@ -23,14 +31,15 @@ def update_output(value):
 
     @app.callback(Output("output-2", "children"), [Input("input", "value")])
     def update_output_2(value):
-        output_2_call_count.value += 1
+        if not percy_enabled.value:
+            output_2_call_count.value += 1
         return value
 
     dash_duo.start_server(app)
 
     assert dash_duo.find_element("#output-1").text == "initial value"
     assert output_1_call_count.value == 1 and output_2_call_count.value == 0
-    dash_duo.percy_snapshot(name="dependencies")
+    snapshot("dependencies")
 
     dash_duo.find_element("#input").send_keys("a")
     assert dash_duo.find_element("#output-1").text == "initial valuea"

tests/integration/test_integration.py

@@ -266,10 +266,10 @@ def test_inin025_url_base_pathname(dash_br, dash_thread_server):
 
     dash_thread_server(app)
 
-    dash_br.server_url = "http://localhost:8050/app1/"
+    dash_br.server_url = "http://localhost:{}/app1/".format(dash_thread_server.port)
     dash_br.wait_for_text_to_equal("#out", "The first")
 
-    dash_br.server_url = "http://localhost:8050/app2/"
+    dash_br.server_url = "http://localhost:{}/app2/".format(dash_thread_server.port)
     dash_br.wait_for_text_to_equal("#out", "The second")