commonMain.io.kotest.properties.errors.kt Maven / Gradle / Ivy

Go to download
package io.kotest.properties

import io.kotest.assertions.failure
import io.kotest.assertions.show.show

@Deprecated("Deprecated and will be removed in 5.0. Migrate to the new property test classes in 4.0")
fun propertyTestFailureMessage(attempt: Int,
                               inputs: List>,
                               cause: AssertionError): String {
  val sb = StringBuilder()
  sb.append("Property failed for")
  sb.append("\n")
  inputs.withIndex().forEach {
    val input = if (it.value.shrunk == it.value.original) {
      "Arg ${it.index}: ${it.value.shrunk.show().value}"
    } else {
      "Arg ${it.index}: ${it.value.shrunk.show().value} (shrunk from ${it.value.original})"
    }
    sb.append(input)
    sb.append("\n")
  }
  sb.append("after $attempt attempts\n")
  sb.append("Caused by: ${cause.message?.trim()}")
  return sb.toString()
}

@Deprecated("Deprecated and will be removed in 5.0. Migrate to the new property test classes in 4.0")
data class PropertyFailureInput(val original: T?, val shrunk: T?)

@Deprecated("Deprecated and will be removed in 5.0. Migrate to the new property test classes in 4.0")
internal fun propertyAssertionError(e: AssertionError,
                                    attempt: Int,
                                    inputs: List>): Throwable {
  return failure(propertyTestFailureMessage(attempt, inputs, e), e)
}