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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| // Copyright 2024 Google LLC | ||
| // | ||
| // 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. | ||
|
|
||
| //go:build dag | ||
|
|
||
| package test | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "log" | ||
| "os/exec" | ||
| "regexp" | ||
| "strings" | ||
| "testing" | ||
| "time" | ||
|
|
||
| envconfig "github.com/sethvargo/go-envconfig" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
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| type CLIConfig struct { | ||
| PROJECT_ID string `env:"PROJECT_ID"` | ||
| LOCATION string `env:"LOCATION"` | ||
| COMPOSER_ENV_NAME string `env:"COMPOSER_ENV_NAME"` | ||
| DAG_ID string `env:"DAG_ID"` | ||
| } | ||
|
|
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| var c CLIConfig | ||
|
|
||
| func init() { | ||
| ctx := context.Background() | ||
| if err := envconfig.Process(ctx, &c); err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| } | ||
|
|
||
| type AssertionFunc func(string) bool | ||
|
|
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| func runCommand(cmd *exec.Cmd) string { | ||
| originalArgs := cmd.Args | ||
| // Create a new Cmd instance for each retry with the original arguments (excluding cmd.Path), otherwise fails on second attempt | ||
| cmd = exec.Command(originalArgs[0], originalArgs[1:]...) | ||
| fmt.Println("Executing command: `", cmd, "`") | ||
| output, err := cmd.CombinedOutput() | ||
| if err != nil { | ||
| fmt.Println("Command failed with the following error: ", err) | ||
| } | ||
| return string(output) | ||
| } | ||
|
|
||
| func runCommandWithPolling(cmd *exec.Cmd, f AssertionFunc, retryAttempts int, retryInterval time.Duration) string { | ||
| for i := 0; i < retryAttempts; i++ { | ||
| fmt.Println("Attempt", i+1, "of", retryAttempts) | ||
| result := runCommand(cmd) | ||
|
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| // trigger_workflow.sh returns ANSI escaped characters for formatting, remove these for testing string results | ||
| re := regexp.MustCompile(`\x1b\[[0-9;]*[mG]`) | ||
| result = re.ReplaceAllString(result, "") | ||
|
|
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| fmt.Println("Output:", result) | ||
| if f(result) { | ||
| return result | ||
| } | ||
|
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| fmt.Println("Assertion failed, sleeping for", retryInterval, "before trying again") | ||
| time.Sleep(retryInterval) | ||
| } | ||
| log.Fatal("Fatal error: initial stage failed, terminating without proceeding to later stages which depend on initial stages") | ||
| return "terminating without running later dependent stages" | ||
|
|
||
| } | ||
|
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| func TestDagIsAvailable(t *testing.T) { | ||
| cmd := exec.Command("gcloud", "composer", "environments", "run", c.COMPOSER_ENV_NAME, "--project", c.PROJECT_ID, "--location", c.LOCATION, "dags", "list") | ||
| stringToMatch := c.DAG_ID | ||
|
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| result := runCommandWithPolling(cmd, func(tmp string) bool { | ||
| return strings.Contains(tmp, stringToMatch) | ||
| }, 5, 30*time.Second) | ||
|
|
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| assert.Contains(t, result, stringToMatch) | ||
| } | ||
|
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| func TestDAGIsTriggered(t *testing.T) { | ||
| cmd := exec.Command("../../sample-deployments/composer-orchestrated-process/scripts/trigger_workflow.sh") | ||
| stringToMatch := "Trigger DAG - done" | ||
|
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| result := runCommandWithPolling(cmd, func(tmp string) bool { | ||
| return strings.Contains(tmp, stringToMatch) | ||
| }, 5, 1*time.Minute) // flaky propagation delay, might require retry even after TestDagIsAvailable | ||
|
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| assert.Contains(t, result, stringToMatch) | ||
| } | ||
|
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| func TestDAGIsCompleteAndSuccess(t *testing.T) { | ||
| cmd := exec.Command("gcloud", "composer", "environments", "run", c.COMPOSER_ENV_NAME, "--project", c.PROJECT_ID, "--location", c.LOCATION, "dags", "list-runs", "--", "-d", c.DAG_ID) | ||
| stringToMatch := "| running |" | ||
|
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| result := runCommandWithPolling(cmd, func(tmp string) bool { | ||
| return !strings.Contains(tmp, stringToMatch) | ||
| }, 6, 10*time.Minute) // Workflow takes 35~50 minutes to complete, might be greater depending on input documents | ||
|
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| assert.NotContains(t, result, stringToMatch) | ||
| assert.Contains(t, result, "| success |") | ||
| } |
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