github.com/dannyzhou2015/migrate/v4@v4.15.2/source/aws_s3/s3_test.go (about)

     1  package awss3
     2  
     3  import (
     4  	"errors"
     5  	"io/ioutil"
     6  	"strings"
     7  	"testing"
     8  
     9  	"github.com/aws/aws-sdk-go/aws"
    10  	"github.com/aws/aws-sdk-go/service/s3"
    11  	st "github.com/dannyzhou2015/migrate/v4/source/testing"
    12  	"github.com/stretchr/testify/assert"
    13  )
    14  
    15  func Test(t *testing.T) {
    16  	s3Client := fakeS3{
    17  		bucket: "some-bucket",
    18  		objects: map[string]string{
    19  			"staging/migrations/1_foobar.up.sql":          "1 up",
    20  			"staging/migrations/1_foobar.down.sql":        "1 down",
    21  			"prod/migrations/1_foobar.up.sql":             "1 up",
    22  			"prod/migrations/1_foobar.down.sql":           "1 down",
    23  			"prod/migrations/3_foobar.up.sql":             "3 up",
    24  			"prod/migrations/4_foobar.up.sql":             "4 up",
    25  			"prod/migrations/4_foobar.down.sql":           "4 down",
    26  			"prod/migrations/5_foobar.down.sql":           "5 down",
    27  			"prod/migrations/7_foobar.up.sql":             "7 up",
    28  			"prod/migrations/7_foobar.down.sql":           "7 down",
    29  			"prod/migrations/not-a-migration.txt":         "",
    30  			"prod/migrations/0-random-stuff/whatever.txt": "",
    31  		},
    32  	}
    33  	driver, err := WithInstance(&s3Client, &Config{
    34  		Bucket: "some-bucket",
    35  		Prefix: "prod/migrations/",
    36  	})
    37  	if err != nil {
    38  		t.Fatal(err)
    39  	}
    40  	st.Test(t, driver)
    41  }
    42  
    43  func TestParseURI(t *testing.T) {
    44  	tests := []struct {
    45  		name   string
    46  		uri    string
    47  		config *Config
    48  	}{
    49  		{
    50  			"with prefix, no trailing slash",
    51  			"s3://migration-bucket/production",
    52  			&Config{
    53  				Bucket: "migration-bucket",
    54  				Prefix: "production/",
    55  			},
    56  		},
    57  		{
    58  			"without prefix, no trailing slash",
    59  			"s3://migration-bucket",
    60  			&Config{
    61  				Bucket: "migration-bucket",
    62  			},
    63  		},
    64  		{
    65  			"with prefix, trailing slash",
    66  			"s3://migration-bucket/production/",
    67  			&Config{
    68  				Bucket: "migration-bucket",
    69  				Prefix: "production/",
    70  			},
    71  		},
    72  		{
    73  			"without prefix, trailing slash",
    74  			"s3://migration-bucket/",
    75  			&Config{
    76  				Bucket: "migration-bucket",
    77  			},
    78  		},
    79  	}
    80  	for _, test := range tests {
    81  		t.Run(test.name, func(t *testing.T) {
    82  			actual, err := parseURI(test.uri)
    83  			if err != nil {
    84  				t.Fatal(err)
    85  			}
    86  			assert.Equal(t, test.config, actual)
    87  		})
    88  	}
    89  }
    90  
    91  type fakeS3 struct {
    92  	s3.S3
    93  	bucket  string
    94  	objects map[string]string
    95  }
    96  
    97  func (s *fakeS3) ListObjects(input *s3.ListObjectsInput) (*s3.ListObjectsOutput, error) {
    98  	bucket := aws.StringValue(input.Bucket)
    99  	if bucket != s.bucket {
   100  		return nil, errors.New("bucket not found")
   101  	}
   102  	prefix := aws.StringValue(input.Prefix)
   103  	delimiter := aws.StringValue(input.Delimiter)
   104  	var output s3.ListObjectsOutput
   105  	for name := range s.objects {
   106  		if strings.HasPrefix(name, prefix) {
   107  			if delimiter == "" || !strings.Contains(strings.Replace(name, prefix, "", 1), delimiter) {
   108  				output.Contents = append(output.Contents, &s3.Object{
   109  					Key: aws.String(name),
   110  				})
   111  			}
   112  		}
   113  	}
   114  	return &output, nil
   115  }
   116  
   117  func (s *fakeS3) GetObject(input *s3.GetObjectInput) (*s3.GetObjectOutput, error) {
   118  	bucket := aws.StringValue(input.Bucket)
   119  	if bucket != s.bucket {
   120  		return nil, errors.New("bucket not found")
   121  	}
   122  	if data, ok := s.objects[aws.StringValue(input.Key)]; ok {
   123  		body := ioutil.NopCloser(strings.NewReader(data))
   124  		return &s3.GetObjectOutput{Body: body}, nil
   125  	}
   126  	return nil, errors.New("object not found")
   127  }