in.specmatic.core.MultiPartFormDataPattern.kt Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of specmatic-core Show documentation
Show all versions of specmatic-core Show documentation
Turn your contracts into executable specifications. Contract Driven Development - Collaboratively Design & Independently Deploy MicroServices & MicroFrontends.
Deprecation Notice for group ID "in.specmatic"
******************************************************************************************************
Updates for "specmatic-core" will no longer be available under the deprecated group ID "in.specmatic".
Please update your dependencies to use the new group ID "io.specmatic".
******************************************************************************************************
package `in`.specmatic.core
import `in`.specmatic.core.Result.Failure
import `in`.specmatic.core.Result.Success
import `in`.specmatic.core.pattern.*
import `in`.specmatic.core.value.StringValue
import java.io.File
sealed class MultiPartFormDataPattern(open val name: String, open val contentType: String?) {
abstract fun newBasedOn(row: Row, resolver: Resolver): Sequence
abstract fun generate(resolver: Resolver): MultiPartFormDataValue
abstract fun matches(value: MultiPartFormDataValue, resolver: Resolver): Result
abstract fun nonOptional(): MultiPartFormDataPattern
}
data class MultiPartContentPattern(override val name: String, val content: Pattern, override val contentType: String? = null) : MultiPartFormDataPattern(name, contentType) {
override fun newBasedOn(row: Row, resolver: Resolver): Sequence =
newBasedOn(row, withoutOptionality(name), content, resolver).map { newContent: Pattern -> MultiPartContentPattern(
withoutOptionality(name),
newContent,
contentType
) }.let {
when{
isOptional(name) && !row.containsField(withoutOptionality(name)) -> sequenceOf(null).plus(it)
else -> it
}
}
override fun generate(resolver: Resolver): MultiPartFormDataValue =
MultiPartContentValue(name, resolver.withCyclePrevention(content, content::generate), specifiedContentType = contentType)
override fun matches(value: MultiPartFormDataValue, resolver: Resolver): Result {
if(withoutOptionality(name) != value.name)
return Failure("The contract expected a part name to be $name, but got ${value.name}", failureReason = FailureReason.PartNameMisMatch)
// if(contentType != null && value.contentType != null && contentType != value.contentType)
// return Failure("Expected $contentType, but got ${value.contentType}")
return when(value) {
is MultiPartFileValue -> {
try {
val parsedContent = try { content.parse(value.content.toStringLiteral(), resolver) } catch (e: Throwable) { StringValue(value.content.toStringLiteral()) }
resolver.matchesPattern(name, content, parsedContent)
} catch (e: ContractException) {
Failure(e.report(), breadCrumb = "content")
} catch (e: Throwable) {
Failure("Expected a ${content.typeName} but got ${value.content.toStringLiteral()}", breadCrumb = "content")
}
}
is MultiPartContentValue -> {
if(value.content is StringValue) {
return try {
val parsedContent = try { content.parse(value.content.toStringLiteral(), resolver) } catch (e: Throwable) { StringValue(value.content.toStringLiteral()) }
resolver.matchesPattern(name, content, parsedContent)
} catch (e: ContractException) {
Failure(e.report(), breadCrumb = "content")
} catch (e: Throwable) {
Failure("Expected a ${content.typeName} but got ${value.content.toStringLiteral()}", breadCrumb = "content")
}
} else {
content.matches(value.content, resolver)
}
}
}
}
override fun nonOptional(): MultiPartFormDataPattern {
return copy(name = withoutOptionality(name))
}
}
data class MultiPartFilePattern(override val name: String, val filename: Pattern, override val contentType: String? = null, val contentEncoding: String? = null) : MultiPartFormDataPattern(name, contentType) {
override fun newBasedOn(row: Row, resolver: Resolver): Sequence {
val rowKey = "${name}_filename"
return sequenceOf(this.copy(filename = if(row.containsField(rowKey)) ExactValuePattern(StringValue(row.getField(rowKey))) else filename))
}
override fun generate(resolver: Resolver): MultiPartFormDataValue =
MultiPartFileValue(name, resolver.withCyclePrevention(filename, filename::generate).toStringLiteral(), contentType ?: "", contentEncoding)
override fun matches(value: MultiPartFormDataValue, resolver: Resolver): Result {
return when {
value !is MultiPartFileValue -> Failure("The contract expected a file, but got content instead.")
name != value.name -> Failure("The contract expected a part name to be $name, but got ${value.name}.", failureReason = FailureReason.PartNameMisMatch)
fileContentMismatch(value, resolver) -> fileContentMismatchError(value, resolver)
//TODO: Fix below comment
// contentType != null && value.contentType != null && value.contentType != contentType -> Failure("The contract expected ${contentType.let { "content type $contentType" }}, but got ${value.contentType?.let { "content type $value.contentType" } ?: "no content type."}.")
contentEncoding != null && value.contentEncoding != contentEncoding -> {
val contentEncodingMessage = contentEncoding.let { "content encoding $contentEncoding" }
val receivedContentEncodingMessage = value.contentEncoding?.let { "content encoding ${value.contentEncoding}" }
?: "no content encoding"
Failure("The contract expected ${contentEncodingMessage}, but got ${receivedContentEncodingMessage}.", breadCrumb = "contentEncoding")
}
else -> Success()
}
}
private fun fileContentMismatchError(
value: MultiPartFileValue,
resolver: Resolver
) = when(filename) {
is ExactValuePattern -> {
Failure(
"In the part named $name, the contents in request did not match the value in file ${filename.pattern.toStringLiteral()}",
failureReason = FailureReason.PartNameMisMatch
)
}
else -> Failure(
"In the part named $name, the contract expected the filename to be ${filename.typeName}, but got ${value.filename}.",
failureReason = FailureReason.PartNameMisMatch,
cause = filename.matches(StringValue(value.filename), resolver) as Failure
)
}
private fun fileContentMismatch(
value: MultiPartFileValue,
resolver: Resolver
): Boolean {
return when(filename) {
is ExactValuePattern -> {
val patternFilePath = filename.pattern.toStringLiteral()
val bytes = File(patternFilePath).canonicalFile.also {
if(!it.exists()) {
println(it.canonicalFile.path + " does not exist")
throw Exception(it.canonicalFile.path + " does not exist")
}
}.readBytes()
val contentBytes = value.content.bytes
!bytes.contentEquals(contentBytes)
}
else ->
!filename.matches(StringValue(value.filename), resolver).isSuccess()
}
}
override fun nonOptional(): MultiPartFormDataPattern {
return copy(name = withoutOptionality(name))
}
}