mirror of https://github.com/pulumi/pulumi.git
80 lines
2.3 KiB
Go
80 lines
2.3 KiB
Go
// Copyright 2025, Pulumi Corporation.
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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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package convert
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import (
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"context"
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"testing"
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"github.com/blang/semver"
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"github.com/pulumi/pulumi/sdk/v3/go/common/resource/plugin"
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"github.com/pulumi/pulumi/sdk/v3/go/common/workspace"
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"github.com/stretchr/testify/assert"
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)
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// Tests that a plugin mapper wrapped with a caching layer only attempts to install a plugin once.
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//
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// Regression test for https://github.com/pulumi/pulumi/issues/13105
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func TestCachingPluginMapper_OnlyInstallsOnce(t *testing.T) {
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t.Parallel()
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// Arrange.
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ws := &testWorkspace{}
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providerFactory := func(descriptor workspace.PackageDescriptor) (plugin.Provider, error) {
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t.Fatal("should not be called")
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return nil, nil
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}
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installCalled := 0
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installPlugin := func(pluginName string) *semver.Version {
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assert.Equal(t, "gcp", pluginName)
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installCalled++
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return nil
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}
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baseMapper, err := NewBasePluginMapper(
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ws,
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"key", /*conversionKey*/
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providerFactory,
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installPlugin,
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nil, /*mappings*/
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)
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mapper := NewCachingMapper(baseMapper)
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assert.NoError(t, err)
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assert.NotNil(t, mapper)
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// Act.
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//
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// After the first time, we should have attempted an installation.
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data, err := mapper.GetMapping(context.Background(), "gcp", nil /*hint*/)
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// Assert.
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assert.NoError(t, err)
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assert.Equal(t, []byte{}, data)
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assert.Equal(t, 1, installCalled, "install should be called the first time when a caching mapper is used")
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// Act.
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//
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// After the second time, we should still have only attempted an installation once.
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data, err = mapper.GetMapping(context.Background(), "gcp", nil /*hint*/)
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// Assert.
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assert.NoError(t, err)
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assert.Equal(t, []byte{}, data)
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assert.Equal(t, 1, installCalled, "install should only be called once when a caching mapper is used")
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}
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