wehub-resource-sync
109 lines
2.6 KiB
Go
109 lines
2.6 KiB
Go
/*
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Copyright 2017 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package tensorflow
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import (
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"math"
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"testing"
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)
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func TestSavedModelHalfPlusTwo(t *testing.T) {
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var (
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exportDir = "testdata/saved_model/half_plus_two/00000123"
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tags = []string{"serve"}
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options = new(SessionOptions)
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)
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// Load saved model half_plus_two.
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m, err := LoadSavedModel(exportDir, tags, options)
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if err != nil {
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t.Fatalf("LoadSavedModel(): %v", err)
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}
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// Check that named operations x and y are present in the graph.
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if op := m.Graph.Operation("x"); op == nil {
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t.Fatalf("\"x\" not found in graph")
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}
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if op := m.Graph.Operation("y"); op == nil {
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t.Fatalf("\"y\" not found in graph")
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}
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// Define test cases for half plus two (y = 0.5 * x + 2).
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tests := []struct {
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name string
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X float32
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Y float32
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}{
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{"NegVal", -1, 1.5},
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{"PosVal", 1, 2.5},
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{"Zero", 0, 2.0},
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{"NegInf", float32(math.Inf(-1)), float32(math.Inf(-1))},
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{"PosInf", float32(math.Inf(1)), float32(math.Inf(1))},
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}
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// Run tests.
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for _, c := range tests {
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t.Run(c.name, func(t *testing.T) {
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x, err := NewTensor([]float32{c.X})
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if err != nil {
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t.Fatal(err)
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}
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y, err := m.Session.Run(
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map[Output]*Tensor{
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m.Graph.Operation("x").Output(0): x,
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},
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[]Output{
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m.Graph.Operation("y").Output(0),
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},
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nil,
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)
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if err != nil {
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t.Fatal(err)
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}
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got := y[0].Value().([]float32)[0]
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if got != c.Y {
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t.Fatalf("got: %#v, want: %#v", got, c.Y)
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}
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})
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}
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t.Logf("SavedModel: %+v", m)
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// TODO(jhseu): half_plus_two has a tf.Example proto dependency to run.
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// Add a more thorough test when the generated protobufs are available.
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}
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func TestSavedModelWithEmptyTags(t *testing.T) {
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var (
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exportDir = "testdata/saved_model/half_plus_two_empty_tags/00000123"
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tags = []string{}
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options = new(SessionOptions)
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)
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m, err := LoadSavedModel(exportDir, tags, options)
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if err != nil {
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t.Fatalf("LoadSavedModel() failed with an empty tags set: %v", err)
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}
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if op := m.Graph.Operation("x"); op == nil {
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t.Fatalf("\"x\" not found in graph")
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}
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t.Logf("Model loaded successfully with an empty tags set: %+v", m)
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}
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