io.specmatic.core.NoBodyPattern.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.*
import io.specmatic.core.pattern.config.NegativePatternConfiguration
import io.specmatic.core.value.JSONArrayValue
import io.specmatic.core.value.StringValue
import io.specmatic.core.value.Value

object NoBodyPattern : Pattern {
    override fun matches(sampleData: Value?, resolver: Resolver): Result {
        if(sampleData == null)
            return Result.Success()

        if(sampleData is NoBodyValue)
            return Result.Success()

        return Result.Failure("Expected no body, but found ${sampleData.displayableType()}")
    }

    override fun generate(resolver: Resolver): Value = NoBodyValue

    override fun newBasedOn(row: Row, resolver: Resolver): Sequence> = sequenceOf(HasValue(this))

    override fun newBasedOn(resolver: Resolver): Sequence = sequenceOf(this)

    override fun negativeBasedOn(row: Row, resolver: Resolver, config: NegativePatternConfiguration): Sequence> = emptySequence()

    override fun parse(value: String, resolver: Resolver): Value {
        return if(value.isBlank())
            NoBodyValue
        else
            StringValue(value)
    }

    override fun encompasses(
        otherPattern: Pattern,
        thisResolver: Resolver,
        otherResolver: Resolver,
        typeStack: TypeStack
    ): Result {
        if(otherPattern is NoBodyPattern)
            return Result.Success()

        return Result.Failure("Expected no body, but found ${otherPattern.typeName}")
    }

    override fun listOf(valueList: List, resolver: Resolver): Value = JSONArrayValue(valueList)

    override val typeAlias: String?
        get() = null
    override val typeName: String
        get() = "no-body"
    override val pattern: Any
        get() = "no-body"

}