io.specmatic.core.References.kt Maven / Gradle / Ivy

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Turn your contracts into executable specifications. Contract Driven Development - Collaboratively Design & Independently Deploy MicroServices & MicroFrontends.

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package io.specmatic.core

import io.specmatic.core.pattern.ContractException

data class ContractCache(private val executedContracts: MutableMap> = mutableMapOf()) {
    fun update(path: String, fn: () -> Map): Map {
        synchronized(this) {
            val data = fn()
            executedContracts[path] = data
            return data
        }
    }

    fun lookup(absolutePath: String): Map? {
        return executedContracts[absolutePath]
    }
}

data class References(val valueName: String, val contractFile: ContractFileWithExports, val baseURLs: Map = emptyMap(), private val variables: Map = emptyMap(), private val contractCache: ContractCache) {
    fun lookup(key: String): String {
        return fetchAndCache()[key] ?: throw ContractException("Key \"$key\" not found in value named $valueName")
    }

    private fun fetchAndCache(): Map =
        contractCache.lookup(contractFile.absolutePath) ?: fetchAndUpdateContractCache()

    private fun fetchAndUpdateContractCache(): Map = contractCache.update(contractFile.absolutePath) {
            contractFile.runContractAndExtractExports(valueName, baseURLs, variables)
        }
}