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add tests to confirm system metrics are present in app start and scene load spans #211

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add tests to confirm system metrics are present in app start and scene load spans #211

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108dd5c
add tests to confirm
richardelms Nov 10, 2025
3e7111e
limit to mobile
richardelms Nov 10, 2025
48671d3
mobile platform specific
richardelms Nov 10, 2025
4f4b5e4
typo fix
richardelms Nov 11, 2025
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63 changes: 63 additions & 0 deletions features/app_start_spans.feature
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Original file line number Diff line number Diff line change
Expand Up @@ -73,3 +73,66 @@ Scenario: App Start Clear Customisation
* the trace "Bugsnag-Span-Sampling" header equals "1:4"
* the trace payload field "resourceSpans.0.scopeSpans.0.spans.3.name" equals "[AppStart/UnityRuntime]"

@android_only
Scenario: App Start with metrics
When I run the game in the "AppStartWithMetrics" state
And I wait to receive 4 spans
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@twometresteve twometresteve Nov 12, 2025

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You could use the new step in Maze Runner to get better diagnostics if it fails to receive all the expected spans:

Suggested change
And I wait to receive 4 spans
And I wait to receive a span named "[AppStart/UnityRuntime]"
And I wait to receive a span named "[AppStartPhase/LoadAssemblies]"
And I wait to receive a span named "[AppStartPhase/SplashScreen]"
And I wait to receive a span named "[AppStartPhase/LoadFirstScene]"


# rendering metrics on the app-start span
* the span named "[AppStart/UnityRuntime]" has integer attribute "bugsnag.rendering.total_frames" greater than 0
* the span named "[AppStart/UnityRuntime]" has integer attribute "bugsnag.rendering.fps_average" greater than 0
* the span named "[AppStart/UnityRuntime]" has integer attribute "bugsnag.rendering.fps_maximum" greater than 0
* the span named "[AppStart/UnityRuntime]" has integer attribute "bugsnag.rendering.fps_minimum" greater than 0

# memory metrics on the app-start span (arrayed samples)
* the span named "[AppStart/UnityRuntime]" has array attribute "bugsnag.system.memory.timestamps" with at least 5 elements
* the span named "[AppStart/UnityRuntime]" has integer attribute "bugsnag.device.physical_device_memory" greater than 0
* the span named "[AppStart/UnityRuntime]" has integer attribute "bugsnag.system.memory.spaces.device.size" greater than 0
* the span named "[AppStart/UnityRuntime]" has array attribute "bugsnag.system.memory.spaces.device.used" with at least 5 elements
* the span named "[AppStart/UnityRuntime]" has integer attribute "bugsnag.system.memory.spaces.art.size" greater than 0
* the span named "[AppStart/UnityRuntime]" has array attribute "bugsnag.system.memory.spaces.art.used" with at least 5 elements

# CPU metrics on the app-start span
* the span named "[AppStart/UnityRuntime]" has array attribute "bugsnag.system.cpu_measures_timestamps" with at least 5 elements
* the span named "[AppStart/UnityRuntime]" has array attribute "bugsnag.system.cpu_measures_total" with at least 5 elements
* the span named "[AppStart/UnityRuntime]" has double array attribute "bugsnag.system.cpu_measures_total" containing valid percentages
* the span named "[AppStart/UnityRuntime]" has array attribute "bugsnag.system.cpu_measures_main_thread" with at least 5 elements
* the span named "[AppStart/UnityRuntime]" has double array attribute "bugsnag.system.cpu_measures_main_thread" containing valid percentages
* the span named "[AppStart/UnityRuntime]" has double attribute "bugsnag.system.cpu_mean_total" that is a valid percentage
* the span named "[AppStart/UnityRuntime]" has double attribute "bugsnag.system.cpu_mean_main_thread" that is a valid percentage

# phase spans should also carry the memory metrics
* the span named "[AppStartPhase/LoadAssemblies]" has integer attribute "bugsnag.device.physical_device_memory" greater than 0
* the span named "[AppStartPhase/SplashScreen]" has integer attribute "bugsnag.device.physical_device_memory" greater than 0
* the span named "[AppStartPhase/LoadFirstScene]" has integer attribute "bugsnag.device.physical_device_memory" greater than 0

@ios_only
Scenario: App Start with metrics
When I run the game in the "AppStartWithMetrics" state
And I wait to receive 4 spans
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@twometresteve twometresteve Nov 12, 2025

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Suggested change
And I wait to receive 4 spans
And I wait to receive a span named "[AppStart/UnityRuntime]"
And I wait to receive a span named "[AppStartPhase/LoadAssemblies]"
And I wait to receive a span named "[AppStartPhase/SplashScreen]"
And I wait to receive a span named "[AppStartPhase/LoadFirstScene]"


# rendering metrics on the app-start span
* the span named "[AppStart/UnityRuntime]" has integer attribute "bugsnag.rendering.total_frames" greater than 0
* the span named "[AppStart/UnityRuntime]" has integer attribute "bugsnag.rendering.fps_average" greater than 0
* the span named "[AppStart/UnityRuntime]" has integer attribute "bugsnag.rendering.fps_maximum" greater than 0
* the span named "[AppStart/UnityRuntime]" has integer attribute "bugsnag.rendering.fps_minimum" greater than 0

# memory metrics on the app-start span (arrayed samples)
* the span named "[AppStart/UnityRuntime]" has array attribute "bugsnag.system.memory.timestamps" with at least 5 elements
* the span named "[AppStart/UnityRuntime]" has integer attribute "bugsnag.device.physical_device_memory" greater than 0
* the span named "[AppStart/UnityRuntime]" has integer attribute "bugsnag.system.memory.spaces.device.size" greater than 0
* the span named "[AppStart/UnityRuntime]" has array attribute "bugsnag.system.memory.spaces.device.used" with at least 5 elements

# CPU metrics on the app-start span
* the span named "[AppStart/UnityRuntime]" has array attribute "bugsnag.system.cpu_measures_timestamps" with at least 5 elements
* the span named "[AppStart/UnityRuntime]" has array attribute "bugsnag.system.cpu_measures_total" with at least 5 elements
* the span named "[AppStart/UnityRuntime]" has double array attribute "bugsnag.system.cpu_measures_total" containing valid percentages
* the span named "[AppStart/UnityRuntime]" has array attribute "bugsnag.system.cpu_measures_main_thread" with at least 5 elements
* the span named "[AppStart/UnityRuntime]" has double array attribute "bugsnag.system.cpu_measures_main_thread" containing valid percentages
* the span named "[AppStart/UnityRuntime]" has double attribute "bugsnag.system.cpu_mean_total" that is a valid percentage
* the span named "[AppStart/UnityRuntime]" has double attribute "bugsnag.system.cpu_mean_main_thread" that is a valid percentage

# phase spans should also carry the memory metrics
* the span named "[AppStartPhase/LoadAssemblies]" has integer attribute "bugsnag.device.physical_device_memory" greater than 0
* the span named "[AppStartPhase/SplashScreen]" has integer attribute "bugsnag.device.physical_device_memory" greater than 0
* the span named "[AppStartPhase/LoadFirstScene]" has integer attribute "bugsnag.device.physical_device_memory" greater than 0
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