96 lines
1.8 KiB
Go
96 lines
1.8 KiB
Go
// Copyright 2017 Google Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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 param
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestParam(t *testing.T) {
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ps := Params{}
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p := ps.New("foo")
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// Never set, so not OK.
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assert.False(t, p.Ok())
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// Can set and get.
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p.SetFloat64(3)
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assert.Equal(t, p.GetFloat64(), 3.0)
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}
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func TestParamListen(t *testing.T) {
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ps := Params{}
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p := ps.New("foo")
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hits := 0
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var val *Param
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ch := make(ParamChannel, 10)
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ps.Listen(ch)
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p.SetFloat64(17)
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close(ch)
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for p := range ch {
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hits++
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val = p
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}
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assert.Equal(t, val, p)
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assert.Equal(t, hits, 1)
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}
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type TestParamStructT struct {
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A int
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B int
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C float64
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}
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func TestParamStruct(t *testing.T) {
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ps := Params{}
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p := ps.NewWith("blob", &TestParamStructT{1, 2, 3})
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v := p.Get().(*TestParamStructT)
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assert.Equal(t, v.A, 1)
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assert.Equal(t, v.B, 2)
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assert.Equal(t, v.C, 3.0)
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// Trying to set a different type causes an error.
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assert.Error(t, p.Set(1.0))
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}
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func TestParamNumber(t *testing.T) {
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ps := Params{}
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p := ps.NewNum("blob")
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// Defaults to zero.
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assert.Equal(t, p.GetFloat64(), 0.0)
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// Can set to ints or floats
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p.SetFloat64(3.5)
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assert.Equal(t, p.GetFloat64(), 3.5)
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p.SetInt(17)
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assert.Equal(t, p.GetInt(), 17)
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// Setting to a non-number causes an error.
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assert.Error(t, p.Set(&TestParamStructT{}))
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}
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