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Static code analysis with UTBotJava action

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Olga Naumenko edited this page Nov 17, 2022 · 1 revision

To analyse the Java project with UTBotJava-action you need to follow these simple steps:

Apply the UTBot gradle plugin to your project:

plugins {
    id "org.utbot.gradle.plugin" version "1.0.0-alpha"
}

Create a new file <your-repository>/.github/workflows/run-utbot-java-action.yml with a workflow that can be run and configured manually:

name: "Run UTBotJava action"

on:
  workflow_dispatch:
    inputs:
      pushTests:
        description: "Push generated tests to the repository"
        type: boolean
        default: true
      generatedTestsRelativeRoot:
        description: "Relative path to the root of the tests"
        type: string
        default: '.utbot/test'
      testFramework:
        type: choice
        options:
          - junit4
          - junit5
          - testng
        default: 'junit5'
      generationTimeout:
        description: "Time budget for one class (ms)"
        type: string
        default: '60000'
      codegenLanguage:
        type: choice
        options:
          - java
          - kotlin
        default: java
      mockStrategy:
        type: choice
        options:
          - 'no-mocks'
          - 'other-packages'
          - 'other-classes'
        default: 'other-packages'
      staticsMocking:
        type: choice
        options: 
          - 'do-not-mock-statics'
          - 'mock-statics'
        default: 'mock-statics'

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v2

    - name: Setup Java
      uses: actions/setup-java@v2
      with:
        distribution: adopt
        java-version: 8

    - name: Setup Gradle
      uses: gradle/gradle-build-action@v2
      with:
        gradle-version: 6.8

    - name: Run UTBotJava-action
      uses: UnitTestBot/UTBotJava-action@v1
      with:
        pushTests: ${{ inputs.pushTests }}
        generatedTestsRelativeRoot: ${{ inputs.generatedTestsRelativeRoot }}
        testFramework: ${{ inputs.testFramework }}
        generationTimeout: ${{ inputs.generationTimeout }}
        codegenLanguage: ${{ inputs.codegenLanguage }}
        mockStrategy: ${{ inputs.mockStrategy }}
        staticsMocking: ${{ inputs.staticsMocking }}

On the Actions tab find the section Run UTBotJava action:

Click Run workflow and select the needed options:

After the workflow is completed, look at the Security → Code Scanning Alerts to find the detected errors (by the way, you won`t find any if your code is fine 😉):

Explore any alert by clicking on it:

As you see in this case above, UTBot detected an unchecked ArrayIndexOutOfBoundsException by passing the array [-192, -192] to the isSorted method.

Click Show paths button, and you see the execution trace.

📍 Note: You can find all these steps performed in our sample project: UTBotJava-action-example

User guides

IntelliJ IDEA plugin

Testing pure Java code

Testing Spring-based code

Troubleshooting

Command-line interface

GitHub Action

Contributor guides

(redirect to /docs in main repo)

General info

Continuous integration

Design docs

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