First attempt at test case for Issue #171

Tests/Regression/Manager/GUI_Bugs.robot

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+*** Settings ***
+Resource 	GUI_Common.robot
+
+*** Test Cases ***
+Issue #171
+	[Tags]	ubuntu-latest		windows-latest		macos-latest
+	Open Agent
+	Open Manager GUI
+	Click Tab 	 Agents
+	Sleep 	5
+	Take A Screenshot
+
+	Close Manager GUI
+	Stop Agent

Tests/Regression/Manager/GUI_Common.robot

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+*** Settings ***
+Library 	OperatingSystem
+Library 	Process
+Library 	String
+
+Library	ImageHorizonLibrary	reference_folder=${IMAGE_DIR}
+
+Suite Setup 	Set Platform
+
+*** Variables ***
+${IMAGE_DIR} 	${CURDIR}/Images/file_method
+${pyfile_manager}			${EXECDIR}${/}rfswarm_manager${/}rfswarm.py
+${pyfile_agent}			${EXECDIR}${/}rfswarm_agent${/}rfswarm_agent.py
+${process_manager}		None
+${process_agent}		None
+
+*** Keywords ***
+Set Platform
+	[Tags]	macos-latest
+	Set Suite Variable    ${platform}    macos
+
+Set Platform
+	[Tags]	windows-latest
+	Set Suite Variable    ${platform}    windows
+
+Set Platform
+	[Tags]	ubuntu-latest
+	Set Suite Variable    ${platform}    ubuntu
+
+Open Agent
+	[Arguments]		${options}
+	${process}= 	Start Process 	python3 	${pyfile}    alias=Agent 	stdout=${OUTPUT DIR}${/}stdout_agent.txt 	stderr=${OUTPUT DIR}${/}stderr_agent.txt
+	Set Test Variable 	$process_agent 	${process}
+
+Open Manager GUI
+	[Arguments]		${options}
+	Set Confidence		0.9
+	${process}= 	Start Process 	python3 	${pyfile}    alias=Manager 	stdout=${OUTPUT DIR}${/}stdout_manager.txt 	stderr=${OUTPUT DIR}${/}stderr_manager.txt
+	Set Test Variable 	$process_manager 	${process}
+	Sleep 	10
+	Set Screenshot Folder 	${OUTPUT DIR}
+	Take A Screenshot
+
+Close Manager GUI
+	[Tags]	windows-latest		ubuntu-latest
+	Press Combination 	Key.esc
+	Press Combination 	x 	Key.ctrl
+	${result}= 	Wait For Process 	${process_manager} 	timeout=60
+	${running}= 	Is Process Running 	${process_manager}
+	IF 	not ${running}
+		Should Be Equal As Integers 	${result.rc} 	0
+	ELSE
+		Take A Screenshot
+		${result} = 	Terminate Process		${process_manager}
+		Fail
+	END
+
+Close Manager GUI
+	[Tags]	macos-latest
+	# Press Combination 	Key.esc
+	# Press Combination 	q 	Key.command
+	# Click Image		manager_${platform}_menu_python3.png
+	Click Image		manager_${platform}_button_closewindow.png
+	Take A Screenshot
+	${result}= 	Wait For Process 	${process_manager} 	timeout=60
+	${running}= 	Is Process Running 	${process_manager}
+	IF 	not ${running}
+		Should Be Equal As Integers 	${result.rc} 	0
+	ELSE
+		Take A Screenshot
+		${result} = 	Terminate Process		${process_manager}
+		Fail
+	END
+
+Stop Agent
+	${result} = 	Terminate Process		${process_agent}
+	Should Be Equal As Integers 	${result.rc} 	0
+
+Click Tab
+	[Arguments]		${tabname}
+	${tabnamel}= 	Convert To Lower Case 	${tabname}
+	${img}=	Set Variable		manager_${platform}_tab_${tabnamel}.png
+	Log		${CURDIR}
+	Log		${IMAGE_DIR}
+	Wait For 	${img} 	 timeout=300
+	@{coordinates}= 	Locate		${img}
+	Click Image		${img}
+	Sleep 	0.1
+	Take A Screenshot