66 lines
2.6 KiB
Nim
66 lines
2.6 KiB
Nim
import std/os
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import pkg/asynctest
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import pkg/ethers
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import pkg/serde
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import ./hardhat
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type
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TestReturns = ref object of Contract
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Static = (UInt256, UInt256)
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Dynamic = (string, UInt256)
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suite "Contract return values":
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var contract: TestReturns
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var provider: JsonRpcProvider
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var snapshot: JsonNode
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let providerUrl = getEnv("ETHERS_TEST_PROVIDER", "localhost:8545")
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setup:
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provider = JsonRpcProvider.new("http://" & providerUrl)
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snapshot = await provider.send("evm_snapshot")
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let deployment = readDeployment()
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contract = TestReturns.new(!deployment.address(TestReturns), provider)
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teardown:
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discard await provider.send("evm_revert", @[snapshot])
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await provider.close()
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test "handles static size structs":
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proc getStatic(contract: TestReturns): Static {.contract, pure.}
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proc getStatics(contract: TestReturns): (Static, Static) {.contract, pure.}
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check (await contract.getStatic()) == (1.u256, 2.u256)
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check (await contract.getStatics()) == ((1.u256, 2.u256), (3.u256, 4.u256))
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test "handles dynamic size structs":
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proc getDynamic(contract: TestReturns): Dynamic {.contract, pure.}
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proc getDynamics(contract: TestReturns): (Dynamic, Dynamic) {.contract, pure.}
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check (await contract.getDynamic()) == ("1", 2.u256)
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check (await contract.getDynamics()) == (("1", 2.u256), ("3", 4.u256))
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test "handles mixed dynamic and static size structs":
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proc getDynamicAndStatic(contract: TestReturns): (Dynamic, Static) {.contract, pure.}
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check (await contract.getDynamicAndStatic()) == (("1", 2.u256), (3.u256, 4.u256))
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test "handles return type that is a tuple with a single element":
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proc getDynamic(contract: TestReturns): (Dynamic,) {.contract, pure.}
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check (await contract.getDynamic()) == (("1", 2.u256),)
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test "handles parentheses around return type":
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proc getDynamic(contract: TestReturns): (Dynamic) {.contract, pure.}
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check (await contract.getDynamic()) == ("1", 2.u256)
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test "handles return type that is an explicit tuple":
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proc getDynamics(contract: TestReturns): tuple[a, b: Dynamic] {.contract, pure.}
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let values = await contract.getDynamics()
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check values.a == ("1", 2.u256)
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check values.b == ("3", 4.u256)
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test "handles static size struct as a public state variable":
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proc staticVariable(contract: TestReturns): Static {.contract, getter.}
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check (await contract.staticVariable()) == (1.u256, 2.u256)
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test "handles dynamic size struct as a public state variable":
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proc dynamicVariable(contract: TestReturns): Dynamic {.contract, getter.}
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check (await contract.dynamicVariable()) == ("3", 4.u256)
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