🚨 add hard reload test, rename to clarify

Author: Ryan Patrick Kyle

tests/integration/devtools/hard_reload/hard_reload.R

@@ -0,0 +1,26 @@
+
+library(dash)
+library(dashHtmlComponents)
+library(dashCoreComponents)
+app <- Dash$new()
+
+app$layout(htmlDiv(list(
+htmlH3("Test hard reloading (when modifying any non-CSS resources)"),
+dccInput(id='input'),
+htmlDiv(id='output-serverside')
+),
+id="hot-reload-content"
+)
+)
+
+app$callback(
+  output(id = "output-serverside", property = "children"),
+  params = list(
+    input(id = "input", property = "value")
+  ),
+  function(value) {
+    sprintf("Pre-reloading test output should be %s", value)
+  }
+)
+
+app$run_server(dev_tools_hot_reload=TRUE, dev_tools_hot_reload_interval=0.1, dev_tools_silence_routes_logging=TRUE)

tests/integration/devtools/test_hard_reload.py

@@ -0,0 +1,67 @@
+from selenium.webdriver.support.select import Select
+import time, os
+
+
+app = "hard_reload/hard_reload.R"
+changed_app = """
+library(dash)
+library(dashHtmlComponents)
+library(dashCoreComponents)
+app <- Dash$new()
+
+app$layout(htmlDiv(list(
+htmlH3("Test hard reloading (when modifying any non-CSS resources)"),
+dccInput(id='input'),
+htmlDiv(id='output-serverside')
+),
+id="hot-reload-content"
+)
+)
+
+app$callback(
+  output(id = "output-serverside", property = "children"),
+  params = list(
+    input(id = "input", property = "value")
+  ),
+  function(value) {
+    sprintf("Post-reloading test output should be %s", value)
+  }
+)
+
+app$run_server(dev_tools_hot_reload=TRUE, dev_tools_hot_reload_interval=0.1, dev_tools_silence_routes_logging=TRUE)
+"""
+
+
+def test_rsdv002_hard_reload(dashr):
+    dashr.start_server(app)
+    dashr.wait_for_text_to_equal(
+        "#output-serverside",
+        "Pre-reloading test output should be NULL"
+    )
+    input1 = dashr.find_element("#input")
+    dashr.clear_input(input1)
+    input1.send_keys("unchanged")
+    with open(app, "r+") as fp:
+        time.sleep(1)  # ensure a new mod time
+        old_content = fp.read()
+        fp.truncate(0)
+        fp.seek(0)
+        fp.write(changed_app)
+    dashr.wait_for_text_to_equal(
+        "#output-serverside",
+        "Post-reloading test output should be NULL"
+    )
+    input1 = dashr.find_element("#input")
+    dashr.clear_input(input1)
+    input1.send_keys("different")
+    dashr.wait_for_text_to_equal(
+        "#output-serverside",
+        "Post-reloading test output should be different"
+    )
+    with open(app, "w") as f:
+        f.write(old_content)
+        time.sleep(1)
+    dashr.wait_for_text_to_equal(
+        "#output-serverside",
+        "Pre-reloading test output should be NULL"
+    )

tests/integration/devtools/test_hot_reload.py renamed to tests/integration/devtools/test_soft_reload.py

@@ -38,7 +38,7 @@
 """
 
 
-def test_rsdv001_hot_reload(dashr):
+def test_rsdv001_soft_reload(dashr):
     dashr.start_server(app)
     dashr.wait_for_style_to_equal(
         "#hot-reload-content",