95 lines
3.2 KiB
Go
95 lines
3.2 KiB
Go
package filestate
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import (
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"context"
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"fmt"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/assert"
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"gocloud.dev/blob"
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)
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func mustNotHaveError(t *testing.T, context string, err error) {
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t.Helper()
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if err != nil {
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t.Fatalf("Error in testcase %q, aborting: %v", context, err)
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}
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}
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// The wrappedBucket type exists so that when we use the blob.Bucket type we can present a consistent
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// view of file paths. Since it will assume that backslashes (file separators on Windows) are part of
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// file names, and this causes "problems".
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func TestWrappedBucket(t *testing.T) {
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// wrappedBucket will only massage file paths IFF it is needed, as filepath.ToSlash is a noop.
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if filepath.Separator == '/' {
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assert.Equal(t, `foo\bar\baz`, filepath.ToSlash(`foo\bar\baz`))
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t.Skip("Skipping wrappedBucket tests because file paths won't be modified.")
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}
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// Initialize a filestate backend, using the default Pulumi directory.
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cloudURL := FilePathPrefix + "~"
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b, err := New(nil, cloudURL)
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if err != nil {
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t.Fatalf("Initializing new filestate backend: %v", err)
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}
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localBackend, ok := b.(*localBackend)
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if !ok {
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t.Fatalf("backend wasn't of type localBackend?")
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}
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wrappedBucket, ok := localBackend.bucket.(*wrappedBucket)
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if !ok {
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t.Fatalf("localBackend.bucket wasn't of type wrappedBucket?")
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}
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ctx := context.Background()
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// Perform basic file operations using wrappedBucket and verify that it will
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// successfully handle both "/" and "\" as file separators. (And probably fail in
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// exciting ways if you try to give it a file on a system that supports "\" or "/" as
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// a valid character in a filename.)
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t.Run("SanityCheck", func(t *testing.T) {
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randomData := []byte("Just some random data")
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err := wrappedBucket.WriteAll(ctx, ".pulumi/bucket-test/foo", randomData, &blob.WriterOptions{})
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mustNotHaveError(t, "WriteAll", err)
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readData, err := wrappedBucket.ReadAll(ctx, `.pulumi\bucket-test\foo`)
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mustNotHaveError(t, "ReadAll", err)
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assert.EqualValues(t, randomData, readData, "data read from bucket doesn't match what was written")
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// Verify the leading slash isn't necessary.
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err = wrappedBucket.Delete(ctx, ".pulumi/bucket-test/foo")
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mustNotHaveError(t, "Delete", err)
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exists, err := wrappedBucket.Exists(ctx, ".pulumi/bucket-test/foo")
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mustNotHaveError(t, "Exists", err)
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assert.False(t, exists, "Deleted file still found?")
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})
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// Verify ListObjects / listBucket works with regard to differeing file separators too.
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t.Run("ListObjects", func(t *testing.T) {
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randomData := []byte("Just some random data")
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filenames := []string{"a.json", "b.json", "c.json"}
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// Write some data.
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for _, filename := range filenames {
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key := fmt.Sprintf(`.pulumi\bucket-test\%s`, filename)
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err := wrappedBucket.WriteAll(ctx, key, randomData, &blob.WriterOptions{})
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mustNotHaveError(t, "WriteAll", err)
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}
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// Verify it is found. NOTE: This requires that any files created
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// during other tests have successfully been cleaned up too.
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objects, err := listBucket(wrappedBucket, `.pulumi\bucket-test`)
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mustNotHaveError(t, "listBucket", err)
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if len(objects) != len(filenames) {
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assert.Equal(t, 3, len(objects), "listBucket returned unexpected number of objects.")
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for _, object := range objects {
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t.Logf("Got object: %+v", object)
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}
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}
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})
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}
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