LosantGists
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| def get_rows_before_charging(df): | |
| df['battery_loss_next_row'] = df['battery'] - df['battery'].shift(-1) | |
| df['is_low_before_charge'] = df['battery_loss_next_row'] < 0 | |
| return df[df['is_low_before_charge']] |
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| # it should return an empty DataFrame if the battery was never recharged | |
| df_descending_only = build_battery_history([100,70,40,20]) | |
| assert len( get_rows_before_charging(df_descending_only) ) == 0 |
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| import os | |
| BATTERY_DATA_FILE = "battery-state-reports-last-30-days.csv" | |
| df = pd.read_csv(os.path.join(os.getcwd(), BATTERY_DATA_FILE)) | |
| df.dtypes |
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| # it should return an empty DataFrame if the battery was never recharged | |
| df_descending_only = # ??? | |
| assert len( get_rows_before_charging(df_descending_only) ) == 0 |
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| import pandas as pd | |
| import importlib |
LosantGists
/ getbeforecharging.py
Created
July 23, 2021 19:14
Automating Unit Tests Blog (2) 7.23.21
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| def get_rows_before_charging(df): | |
| return df |
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| def build_battery_history(values, device_id="60df87b4be3fc900069dac1f", start_time=1600000000000): | |
| id_array = [device_id] * len(values) | |
| timestamp_array = map(lambda t: start_time + t * 10000, range(len(values))) | |
| return pd.DataFrame({ | |
| "ID": pd.Series(id_array), | |
| "battery": pd.Series(values, dtype="int64"), | |
| "Timestamp": pd.Series(timestamp_array, dtype="int64") | |
| }) |
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| import pandas as pd | |
| import os |
LosantGists
/ wpa_supplicant.conf
Created
August 14, 2020 18:19
https://www.losant.com/blog/how-to-set-up-a-headless-raspberry-pi
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| country=US | |
| ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev | |
| update_config=1 | |
| network={ | |
| ssid="WIFI_SSID" | |
| scan_ssid=1 | |
| psk="WIFI_PASSWORD" | |
| key_mgmt=WPA-PSK | |
| } |
LosantGists
/ locations.js
Last active
July 22, 2020 19:06
https://www.losant.com/blog/use-losant-to-simulate-iot-data
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| const data = [ | |
| {"location":"39.108314,-84.50959","isMoving":"1", "bearing":"SW","refrigeratorTemp":"35","freezerTemp":"2”}, | |
| {"location":"39.107442,-84.50956","isMoving":"1", "bearing":"SSE","refrigeratorTemp":"38","freezerTemp":"5”}, | |
| {"location":"39.106,-84.509303","isMoving":"1", "bearing":"SSE","refrigeratorTemp":"36","freezerTemp":"1}, | |
| {"location":"39.105279,-84.508983","isMoving":"1", "bearing":"SSE","refrigeratorTemp":"35","freezerTemp":"-7”}, | |
| {"location":"39.104119,-84.508712","isMoving":"1", "bearing":"SSE","refrigeratorTemp":"40","freezerTemp":"-9”}, | |
| . | |
| . | |
| . | |
| . |