The simulation test on intelligent centralized traffic control system is composed of three phases:software mod-ule test,software integration test and software overall test.During the software overall testing phase,the increasing tes-ting costs and complex terminal interactions in various test case steps as a result of the establishment of testing environ-ment relying heavily on extensive computer cluster resources present a challenge of high debugging costs.To address this,a software integration testing module was designed.This module enabled software debugging for black-box test cases to be carried out on a single computer without relying on extensive computer cluster resources,achieving simplified tes-ting processes and reducing software debugging costs.Software debugging procedures were carried out using unexpected scenarios in the field experiment of intelligent centralized traffic control system.The comparison of the number of proces-sor cores and terminal interaction interfaces utilized in the overall testing environment versus the integration testing envi-ronment verified the significant effect of the software integration testing approach in reduceing software debugging costs and enhancing software debugging efficiency,which provides a strong guarantee for the smooth execution of field experi-ments.
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