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Examples of testing with Pulumi (pulumi#608)
* .NET unit test * Add an example of PaC-based testing * Add a TypeScript unit test * Add a python test * Add an integration test
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| .pulumi/ | ||
| **/bin/ | ||
| node_modules/ | ||
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| # Integration Testing of Pulumi programs in Go | ||
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| This integration test treats infrastucture deployed by a Pulumi program as a "black box". If deploys the infrastructure, retrieves an endpoint from stack outputs, sends an HTTP request to the endpoint, validates the response, and tears down the infrastructure again. | ||
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| This test deploys a static website as an AWS S3 bucket and checks that the site is reachable. | ||
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| ## Prerequisites | ||
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| 1. [Install Go](https://golang.org/doc/install). | ||
| 2. [Install Pulumi](https://www.pulumi.com/docs/get-started/install/). | ||
| 3. [Configure Pulumi to Use AWS](https://www.pulumi.com/docs/intro/cloud-providers/aws/setup/) (if your AWS CLI is configured, no further changes are required). | ||
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| ## Running the tests | ||
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| Run the tests: | ||
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| ``` | ||
| $ go test | ||
| ... | ||
| PASS | ||
| ok github.com/pulumi/examples/testing-integration 65.749s | ||
| ``` |
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| // Copyright 2016-2020, Pulumi Corporation. All rights reserved. | ||
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| package examples | ||
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| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net/http" | ||
| "os" | ||
| "path" | ||
| "strings" | ||
| "testing" | ||
| "time" | ||
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| "github.com/pulumi/pulumi/pkg/testing/integration" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
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| func TestS3Website(t *testing.T) { | ||
| cwd, err := os.Getwd() | ||
| if err != nil { | ||
| t.FailNow() | ||
| } | ||
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| test := integration.ProgramTestOptions{ | ||
| Dir: path.Join(cwd, "program"), | ||
| Quick: true, | ||
| SkipRefresh: true, | ||
| Config: map[string]string{ | ||
| "aws:region": "us-west-1", | ||
| }, | ||
| ExtraRuntimeValidation: func(t *testing.T, stack integration.RuntimeValidationStackInfo) { | ||
| assertHTTPResult(t, "http:https://"+stack.Outputs["websiteUrl"].(string), nil, func(body string) bool { | ||
| return assert.Contains(t, body, "Hello, Pulumi!") | ||
| }) | ||
| }, | ||
| } | ||
| integration.ProgramTest(t, &test) | ||
| } | ||
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| func assertHTTPResult(t *testing.T, output interface{}, headers map[string]string, check func(string) bool) bool { | ||
| return assertHTTPResultWithRetry(t, output, headers, 5*time.Minute, check) | ||
| } | ||
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| func assertHTTPResultWithRetry(t *testing.T, output interface{}, headers map[string]string, maxWait time.Duration, check func(string) bool) bool { | ||
| return assertHTTPResultShapeWithRetry(t, output, headers, maxWait, func(string) bool { return true }, check) | ||
| } | ||
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| func assertHTTPResultShapeWithRetry(t *testing.T, output interface{}, headers map[string]string, maxWait time.Duration, | ||
| ready func(string) bool, check func(string) bool) bool { | ||
| hostname, ok := output.(string) | ||
| if !assert.True(t, ok, fmt.Sprintf("expected `%s` output", output)) { | ||
| return false | ||
| } | ||
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| if !(strings.HasPrefix(hostname, "http:https://") || strings.HasPrefix(hostname, "https://")) { | ||
| hostname = fmt.Sprintf("http:https://%s", hostname) | ||
| } | ||
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| startTime := time.Now() | ||
| count, sleep := 0, 0 | ||
| for { | ||
| now := time.Now() | ||
| req, err := http.NewRequest("GET", hostname, nil) | ||
| if !assert.NoError(t, err) { | ||
| return false | ||
| } | ||
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| for k, v := range headers { | ||
| // Host header cannot be set via req.Header.Set(), and must be set | ||
| // directly. | ||
| if strings.ToLower(k) == "host" { | ||
| req.Host = v | ||
| continue | ||
| } | ||
| req.Header.Set(k, v) | ||
| } | ||
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| client := &http.Client{Timeout: time.Second * 10} | ||
| resp, err := client.Do(req) | ||
| if err == nil && resp.StatusCode == 200 { | ||
| if !assert.NotNil(t, resp.Body, "resp.body was nil") { | ||
| return false | ||
| } | ||
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| // Read the body | ||
| defer resp.Body.Close() | ||
| body, err := ioutil.ReadAll(resp.Body) | ||
| if !assert.NoError(t, err) { | ||
| return false | ||
| } | ||
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| bodyText := string(body) | ||
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| // Even if we got 200 and a response, it may not be ready for assertion yet - that's specific per test. | ||
| if ready(bodyText) { | ||
| // Verify it matches expectations | ||
| return check(bodyText) | ||
| } | ||
| } | ||
| if now.Sub(startTime) >= maxWait { | ||
| fmt.Printf("Timeout after %v. Unable to http.get %v successfully.", maxWait, hostname) | ||
| return false | ||
| } | ||
| count++ | ||
| // delay 10s, 20s, then 30s and stay at 30s | ||
| if sleep > 30 { | ||
| sleep = 30 | ||
| } else { | ||
| sleep += 10 | ||
| } | ||
| time.Sleep(time.Duration(sleep) * time.Second) | ||
| fmt.Printf("Http Error: %v\n", err) | ||
| fmt.Printf(" Retry: %v, elapsed wait: %v, max wait %v\n", count, now.Sub(startTime), maxWait) | ||
| } | ||
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| return false | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| module github.com/pulumi/examples/testing-integration | ||
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| go 1.13 | ||
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| require ( | ||
| github.com/pkg/errors v0.8.1 | ||
| github.com/pulumi/pulumi v1.13.0 | ||
| github.com/stretchr/testify v1.4.1-0.20191106224347-f1bd0923b832 | ||
| ) | ||
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| replace github.com/Azure/go-autorest => github.com/Azure/go-autorest v12.4.3+incompatible |
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