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LazyTensorOperationTests.swift
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// Copyright 2019 The TensorFlow Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import XCTest
@testable import TensorFlow
import CTensorFlow
final class LazyTensorOperationTests: XCTestCase {
func testNoInput() {
let placeholder = LazyTensorOperation(
_id: "V", name: "Placeholder", outputCount: 1)
XCTAssertEqual(placeholder.description, "%V = Placeholder()")
let placeholder2 = LazyTensorOperation(
_id: "W", name: "Placeholder", outputCount: 2)
XCTAssertEqual(placeholder2.description, "(%W.0, %W.1) = Placeholder()")
}
func testSingleInput() {
let zero = Tensor<Float>(0.0)
let zeroTFEHandle = zero.handle.handle._tfeTensorHandle
let op0 = LazyTensorOperation(
_id: "0", name: "Identity", outputCount: 1)
op0.addInput(zeroTFEHandle)
XCTAssertEqual(op0.description, "%0 = Identity(0.0)")
let op1 = LazyTensorOperation(
_id: "1", name: "Identity", outputCount: 1)
op1.addInput(zero)
XCTAssertEqual(op1.description, "%1 = Identity(0.0)")
let op2 = LazyTensorOperation(
_id: "2", name: "Identity", outputCount: 1)
op2.addInput(StringTensor("hello"))
XCTAssertEqual(op2.description, "%2 = Identity(\"string\")")
let op3 = LazyTensorOperation(
_id: "3", name: "Identity", outputCount: 1)
let const = LazyTensorOperation(
_id: "0", name: "Const", outputCount: 1)
op3.addInput(LazyTensor(_lazy: const, index: 0))
XCTAssertEqual(op3.description, "%3 = Identity(%0)")
}
func testMultipleInputs() {
let const = LazyTensorOperation(
_id: "0", name: "Const", outputCount: 1)
let op0 = LazyTensorOperation(
_id: "0", name: "Identity", outputCount: 1)
op0.addInput(LazyTensor(_lazyLive: const, index: 0))
op0.addInput(StringTensor("hello"))
XCTAssertEqual(op0.description, "%0 = Identity(%0*, \"string\")")
}
func testListInputs() {
let zero = Tensor<Float>(0.0)
let tuple = LazyTensorOperation(
_id: "0", name: "Tuple", outputCount: 3)
let op0 = LazyTensorOperation(
_id: "0", name: "IdentityN", outputCount: 2)
let inputs: [TensorHandle<Float>] = [
zero.handle,
TensorHandle<Float>(handle: LazyTensor(_lazy: tuple, index: 0)),
TensorHandle<Float>(handle: LazyTensor(_lazy: tuple, index: 1))]
op0.addInputList(inputs)
op0.addInput(LazyTensor(_lazy: tuple, index: 2))
XCTAssertEqual(
op0.description, "(%0.0, %0.1) = IdentityN([0.0, %0.0, %0.1], %0.2)")
}
func testBoolAttribute() {
let op0 = LazyTensorOperation(
_id: "0", name: "Nop", outputCount: 1)
op0.updateAttribute("b", true)
XCTAssertEqual(op0.description, "%0 = Nop[b: true]()")
op0.updateAttribute("b", false)
XCTAssertEqual(op0.description, "%0 = Nop[b: false]()")
}
func testIntAttribute() {
let op0 = LazyTensorOperation(
_id: "0", name: "Nop", outputCount: 1)
op0.updateAttribute("i", 10)
XCTAssertEqual(op0.description, "%0 = Nop[i: Int(10)]()")
op0.updateAttribute("i", 20)
XCTAssertEqual(op0.description, "%0 = Nop[i: Int(20)]()")
}
func testFloatAttribute() {
let op0 = LazyTensorOperation(
_id: "0", name: "Nop", outputCount: 1)
op0.updateAttribute("f", Float(10.0))
XCTAssertEqual(op0.description, "%0 = Nop[f: Float(10.0)]()")
op0.updateAttribute("f", Float(20.0))
XCTAssertEqual(op0.description, "%0 = Nop[f: Float(20.0)]()")
}
func testDoubleAttribute() {
let op0 = LazyTensorOperation(
_id: "0", name: "Nop", outputCount: 1)
op0.updateAttribute("d", Double(10.0))
XCTAssertEqual(op0.description, "%0 = Nop[d: Double(10.0)]()")
op0.updateAttribute("d", Double(20.0))
XCTAssertEqual(op0.description, "%0 = Nop[d: Double(20.0)]()")
}
func testStringAttribute() {
let op0 = LazyTensorOperation(
_id: "0", name: "Nop", outputCount: 1)
op0.updateAttribute("s", "hello")
XCTAssertEqual(op0.description, "%0 = Nop[s: \"hello\"]()")
op0.updateAttribute("s", "world")
XCTAssertEqual(op0.description, "%0 = Nop[s: \"world\"]()")
}
func testTensorDataTypeAttribute() {
let op0 = LazyTensorOperation(
_id: "0", name: "Nop", outputCount: 1)
op0.updateAttribute("a", TensorDataType(TF_INT32))
XCTAssertEqual(op0.description, "%0 = Nop[a: int32]()")
op0.updateAttribute("a", TensorDataType(TF_FLOAT))
XCTAssertEqual(op0.description, "%0 = Nop[a: float]()")
op0.updateAttribute("a", TensorDataType(TF_RESOURCE))
XCTAssertEqual(op0.description, "%0 = Nop[a: resource]()")
}
func testTensorDataTypeArrayAttribute() {
let op0 = LazyTensorOperation(
_id: "0", name: "Nop", outputCount: 1)
op0.updateAttribute("a", [TensorDataType(TF_INT32), TensorDataType(TF_FLOAT)])
XCTAssertEqual(op0.description, "%0 = Nop[a: [int32, float]]()")
}
func testOptionalTensorShapeAttribute() {
let op0 = LazyTensorOperation(
_id: "0", name: "Nop", outputCount: 1)
let shape1 = TensorShape([1, 2, 3])
op0.updateAttribute("shape", shape1)
XCTAssertEqual(op0.description, "%0 = Nop[shape: Optional([1, 2, 3])]()")
op0.updateAttribute("shape", nil)
XCTAssertEqual(op0.description, "%0 = Nop[shape: nil]()")
}
func testOptionalTensorShapeArrayAttribute() {
let op0 = LazyTensorOperation(
_id: "0", name: "Nop", outputCount: 1)
let shape1 = TensorShape([1, 2, 3])
let shape2 = TensorShape([4, 5])
op0.updateAttribute("shapes", [shape1, shape2])
XCTAssertEqual(op0.description,
"%0 = Nop[shapes: [Optional([1, 2, 3]), Optional([4, 5])]]()")
op0.updateAttribute("shapes", [nil, shape2])
XCTAssertEqual(op0.description, "%0 = Nop[shapes: [nil, Optional([4, 5])]]()")
}
func testArrayAttributes() {
let op0 = LazyTensorOperation(
_id: "0", name: "Nop", outputCount: 1)
let bools: [Bool] = [true, false]
op0.updateAttribute("a", bools)
XCTAssertEqual(op0.description, "%0 = Nop[a: [true, false]]()")
let ints: [Int] = [0, 1, 3]
op0.updateAttribute("a", ints)
XCTAssertEqual(op0.description, "%0 = Nop[a: Int[0, 1, 3]]()")
let floats: [Float] = [0.0, 1.0, 2.0]
op0.updateAttribute("a", floats)
XCTAssertEqual(op0.description, "%0 = Nop[a: Float[0.0, 1.0, 2.0]]()")
let doubles: [Double] = [0.0, 1.0, 4.0]
op0.updateAttribute("a", doubles)
XCTAssertEqual(op0.description, "%0 = Nop[a: Double[0.0, 1.0, 4.0]]()")
let strings: [String] = ["a", "b", "c"]
op0.updateAttribute("a", strings)
XCTAssertEqual(op0.description, "%0 = Nop[a: String[a, b, c]]()")
}
func testMultipleAttributes() {
let op0 = LazyTensorOperation(
_id: "0", name: "Nop", outputCount: 1)
op0.updateAttribute("b", true)
op0.updateAttribute("s", "hello")
XCTAssertEqual(op0.description, "%0 = Nop[b: true, s: \"hello\"]()")
}
func testFunctionAttribute() {
let op0 = LazyTensorOperation(_id: "0", name: "Nop", outputCount: 1)
op0.updateAttribute("fn", _TensorFunctionPointer(name: "ExampleFunction"))
XCTAssertEqual(op0.description, "%0 = Nop[fn: TFFunction(ExampleFunction)]()")
}
func testDeviceTracking() {
let op0 = LazyTensorOperation(_id: "0", name: "Nop", outputCount: 1)
XCTAssertEqual(op0.deviceName, nil)
withDevice(named: "/job:localhost/replica:0/task:0/device:CPU:0") {
let op1 = LazyTensorOperation(_id: "0", name: "Nop", outputCount: 1)
XCTAssertEqual(op1.deviceName ?? "", "/job:localhost/replica:0/task:0/device:CPU:0")
}
}
static var allTests = [
("testNoInput", testNoInput),
("testSingleInput", testSingleInput),
("testMultipleInput", testMultipleInputs),
("testListInputs", testListInputs),
("testBoolAttribute", testBoolAttribute),
("testIntAttribute", testIntAttribute),
("testFloatAttribute", testFloatAttribute),
("testDoubleAttribute", testDoubleAttribute),
("testStringAttribute", testStringAttribute),
("testTensorDataTypeAttribute", testTensorDataTypeAttribute),
("testTensorDataTypeArrayAttribute", testTensorDataTypeArrayAttribute),
("testOptionalTensorShapeArrayAttribute",
testOptionalTensorShapeArrayAttribute),
("testOptionalTensorShapeAttribute", testOptionalTensorShapeAttribute),
("testTensorShapeArrayAttribute",
testOptionalTensorShapeArrayAttribute),
("testArrayAttributes", testArrayAttributes),
("testMultipleAttributes", testMultipleAttributes),
("testFunctionAttribute", testFunctionAttribute),
("testDeviceTracking", testDeviceTracking)
]
}