application.MergeCommand.kt Maven / Gradle / Ivy

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Command-line standalone executable jar for Specmatic

There is a newer version: 2.0.37

package application

import io.specmatic.core.Feature
import io.specmatic.core.log.logger
import io.swagger.v3.core.util.Yaml
import picocli.CommandLine
import java.io.File
import java.util.concurrent.Callable

@CommandLine.Command(name = "merge", description = ["Merge the specified contracts"], mixinStandardHelpOptions = true)
class MergeCommand: Callable {
    @CommandLine.Parameters
    var contractFiles: List = emptyList()

    @CommandLine.Option(names = ["--merged-contract"])
    var outputFile: File = File("new-contract.yaml")

    override fun call() {
        if(contractFiles.isEmpty()) {
            logger.log("No contracts were specified.")
            return
        }

        val contracts: List = contractFiles.map {
            try {
                parseContract(it.readText(), it.canonicalPath)
            } catch(e: Throwable) {
                println("Exception loading contract ${it.canonicalPath}")
                e.printStackTrace()
                return
            }
        }

        val mergedFeature = Feature(scenarios = contracts.flatMap { it.scenarios }, name = contracts.first().name)
        val openApi = mergedFeature.toOpenApi()

        logger.log("Writing merged contract file to ${outputFile.path}")
        outputFile.writeText(Yaml.pretty(openApi))
    }
}