Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Add functions to measure how long an action #325

Closed
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
43 changes: 43 additions & 0 deletions pylenium/performance.py
Original file line number Diff line number Diff line change
Expand Up @@ -109,6 +109,49 @@ def get_resources(self):
except TimeoutException:
return None # because there were no Resources captured for the current web page

def mark(self, mark):
"""Add a named mark) to the browser's performance timeline."""
js = 'return performance.mark("{}");'.format(mark)
self._wait().until(lambda driver: driver.execute_script(js), "PerformanceMark not generated yet")

def measure(self, mark) -> float:
"""Return duration in miliseconds"""
js = 'return performance.measure("Measure", "{}");'.format(mark)
measured = self._wait().until(lambda driver: driver.execute_script(js), "PerformanceMeasure not generated yet")
return PerformanceMeasure(**measured).duration


class PerformanceMeasure(BaseModel):
"""The PerformanceMeasure Representation.

Metrics regarding the browser's document navigation events

References:
https://developer.mozilla.org/en-US/docs/Web/API/PerformanceMeasure
"""

detail: None = Field(alias="detail")
name: str = Field(alias="name")
entry_type: str = Field(alias="entryType")
start_time: float = Field(alias="startTime")
duration: float = Field(alias="duration")


class PerformanceMark(BaseModel):
"""The PerformanceMark Representation.

Metrics regarding the browser's document navigation events

References:
https://developer.mozilla.org/en-US/docs/Web/API/PerformanceMark
"""

detail: None = Field(alias="detail")
name: str = Field(alias="name")
entry_type: str = Field(alias="entryType")
start_time: float = Field(alias="startTime")
duration: float = Field(alias="duration")


class NavigationTiming(BaseModel):
"""The PerformanceNavigationTiming Representation.
Expand Down
10 changes: 10 additions & 0 deletions tests/test_flows.py
Original file line number Diff line number Diff line change
Expand Up @@ -26,3 +26,13 @@ def test_add_to_cart_xpath(self, sauce: Pylenium):
button.click()
sauce.getx("//a[@class='shopping_cart_link']").click()
assert sauce.findx("//*[@class='cart_item']").should().have_length(6)

def test_add_to_cart_xpath_duration(self, sauce: Pylenium):
"""Add 6 different items to the cart. There should be 6 items in the cart. Duration should be less than 2000ms"""
sauce.performance.mark("Adding item in cart")
for button in sauce.findx("//*[contains(@id, 'add-to-cart')]"):
button.click()
sauce.getx("//a[@class='shopping_cart_link']").click()
time_in_ms = sauce.performance.measure("Adding item in cart")
assert sauce.findx("//*[@class='cart_item']").should().have_length(6)
assert time_in_ms < 2000, "should be less 2000ms"
Loading