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contracts: Add comment explaining Generators

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This commit is contained in:
Andras Slemmer 2016-08-24 15:37:00 +01:00
parent 9ff1ad7769
commit 6faf19cccc
2 changed files with 8 additions and 2 deletions
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7
contracts/src/main/kotlin/com/r3corda/contracts/testing/Generators.kt
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@ -11,6 +11,13 @@ import com.r3corda.core.crypto.SecureHash
import com.r3corda.core.testing.* import com.r3corda.core.testing.*
import java.util.* import java.util.*
/**
* This file contains generators for quickcheck style testing. The idea is that we can write random instance generators
* for each type we have in the code and test against those instead of predefined mock data. This style of testing can
* catch corner case bugs and test algebraic properties of the code, for example deserialize(serialize(generatedThing)) == generatedThing
*
* TODO add combinators for easier Generator writing
*/
class ContractStateGenerator : Generator<ContractState>(ContractState::class.java) { class ContractStateGenerator : Generator<ContractState>(ContractState::class.java) {
override fun generate(random: SourceOfRandomness, status: GenerationStatus): ContractState { override fun generate(random: SourceOfRandomness, status: GenerationStatus): ContractState {
return Cash.State( return Cash.State(

3
core/src/test/kotlin/com/r3corda/core/protocols/BroadcastTransactionProtocolTest.kt
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@ -7,11 +7,10 @@ import com.pholser.junit.quickcheck.generator.GenerationStatus
import com.pholser.junit.quickcheck.generator.Generator import com.pholser.junit.quickcheck.generator.Generator
import com.pholser.junit.quickcheck.random.SourceOfRandomness import com.pholser.junit.quickcheck.random.SourceOfRandomness
import com.pholser.junit.quickcheck.runner.JUnitQuickcheck import com.pholser.junit.quickcheck.runner.JUnitQuickcheck
import com.r3corda.core.generators.* import com.r3corda.contracts.testing.SignedTransactionGenerator
import com.r3corda.core.serialization.createKryo import com.r3corda.core.serialization.createKryo
import com.r3corda.core.serialization.serialize import com.r3corda.core.serialization.serialize
import com.r3corda.core.testing.PartyGenerator import com.r3corda.core.testing.PartyGenerator
import com.r3corda.core.testing.SignedTransactionGenerator
import com.r3corda.protocols.BroadcastTransactionProtocol import com.r3corda.protocols.BroadcastTransactionProtocol
import org.junit.runner.RunWith import org.junit.runner.RunWith
import kotlin.test.assertEquals import kotlin.test.assertEquals