77 lines
2.9 KiB
Go
77 lines
2.9 KiB
Go
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package e2etest
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"github.com/hashicorp/terraform/e2e"
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)
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// TestProviderDevOverrides is a test for the special dev_overrides setting
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// in the provider_installation section of the CLI configuration file, which
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// is our current answer to smoothing provider development by allowing
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// developers to opt out of the version number and checksum verification
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// we normally do, so they can just overwrite the same local executable
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// in-place to iterate faster.
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func TestProviderDevOverrides(t *testing.T) {
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t.Parallel()
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tf := e2e.NewBinary(terraformBin, "testdata/provider-dev-override")
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defer tf.Close()
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// In order to do a decent end-to-end test for this case we will need a
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// real enough provider plugin to try to run and make sure we are able
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// to actually run it. For now we'll use the "test" provider for that,
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// because it happens to be in this repository and therefore allows
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// us to avoid drawing in anything external, but we might revisit this
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// strategy in future if other needs cause us to evolve the test
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// provider in a way that makes it less suitable for this particular test,
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// such as if it stops being buildable into an independent executable.
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providerExeDir := filepath.Join(tf.WorkDir(), "pkgdir")
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providerExePrefix := filepath.Join(providerExeDir, "terraform-provider-test_")
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providerExe := e2e.GoBuild("github.com/hashicorp/terraform/builtin/bins/provider-test", providerExePrefix)
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t.Logf("temporary provider executable is %s", providerExe)
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err := ioutil.WriteFile(filepath.Join(tf.WorkDir(), "dev.tfrc"), []byte(fmt.Sprintf(`
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provider_installation {
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dev_overrides {
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"example.com/test/test" = %q
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}
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}
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`, providerExeDir)), os.ModePerm)
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if err != nil {
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t.Fatal(err)
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}
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tf.AddEnv("TF_CLI_CONFIG_FILE=dev.tfrc")
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stdout, stderr, err := tf.Run("providers")
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if err != nil {
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t.Fatalf("unexpected error: %s\n%s", err, stderr)
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}
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if got, want := stdout, `provider[example.com/test/test]`; !strings.Contains(got, want) {
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t.Errorf("configuration should depend on %s, but doesn't\n%s", want, got)
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}
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// NOTE: We're intentionally not running "terraform init" here, because
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// dev overrides are always ready to use and don't need any special action
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// to "install" them. This test is mimicking the a happy path of going
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// directly from "go build" to validate/plan/apply without interacting
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// with any registries, mirrors, lock files, etc.
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stdout, stderr, err = tf.Run("validate")
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if err != nil {
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t.Fatalf("unexpected error: %s\n%s", err, stderr)
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}
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if got, want := stdout, `The configuration is valid, but`; !strings.Contains(got, want) {
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t.Errorf("stdout doesn't include the success message\nwant: %s\n%s", want, got)
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}
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if got, want := stdout, `Provider development overrides are in effect`; !strings.Contains(got, want) {
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t.Errorf("stdout doesn't include the warning about development overrides\nwant: %s\n%s", want, got)
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}
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}
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