Moderne licensed

Find Node.js flaky test patterns

Recipe IDio.moderne.prethink.testing.quality.FindNodeFlakyTestPatternsArtifactio.moderne.recipe:rewrite-prethink

Detect patterns that commonly cause flaky tests in JavaScript and TypeScript code, including static waits (setTimeout, setInterval), prototype mutation, and shared mutable state (module-scope let/var declarations).

Single recipeProprietary

Add to your build

Get a download tokenThis recipe is Moderne licensed, so the token must belong to a Moderne customer. It replaces YOUR_DOWNLOAD_TOKEN below.

~/.gradle/gradle.properties

codeGenomeUsername=you@example.com
codeGenomeToken=YOUR_DOWNLOAD_TOKEN

build.gradle.kts

plugins {
    id("org.openrewrite.rewrite") version("latest.release")
}

rewrite {
    activeRecipe("io.moderne.prethink.testing.quality.FindNodeFlakyTestPatterns")
}

repositories {
    mavenCentral()
    maven {
        url = uri("https://artifacts.codegenomeproject.org/maven")
        credentials {
            username = providers.gradleProperty("codeGenomeUsername").get()
            password = providers.gradleProperty("codeGenomeToken").get()
        }
    }
}

dependencies {
    rewrite("io.moderne.recipe:rewrite-prethink:0.14.1")
}

Then run

./gradlew rewriteRun

Usage

This recipe has no required configuration options. You’ll need the Moderne CLI configured before running the command below.

mod run . --recipe io.moderne.prethink.testing.quality.FindNodeFlakyTestPatterns

If the recipe isn’t available locally, install it with:

mod config recipes jar install io.moderne.recipe:rewrite-prethink:RELEASE

Data tables

Structured output this recipe can produce.

Test quality issuesIssues found in test code that may cause flakiness, silent failures, or maintenance burden. Each row includes a rich evidence message with what was found, why it matters, and how to fix it.io.moderne.prethink.table.TestQualityIssues
Source files that had resultsSource files that were modified by the recipe run.org.openrewrite.table.SourcesFileResults
Source files that had search resultsSearch results that were found during the recipe run.org.openrewrite.table.SearchResults
Source files that errored on a recipeThe details of all errors produced by a recipe run.org.openrewrite.table.SourcesFileErrors
Recipe performanceStatistics used in analyzing the performance of recipes.org.openrewrite.table.RecipeRunStats