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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,133 +1,133 @@ | ||
| package converters | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "testing" | ||
| "fmt" | ||
| "testing" | ||
|
|
||
| "github.com/artie-labs/transfer/lib/debezium" | ||
| "github.com/artie-labs/transfer/lib/ptr" | ||
| "github.com/stretchr/testify/assert" | ||
| "github.com/artie-labs/transfer/lib/debezium" | ||
| "github.com/artie-labs/transfer/lib/ptr" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func TestDecimalConverter_ToField(t *testing.T) { | ||
| { | ||
| // Without precision | ||
| converter := NewDecimalConverter(2, nil) | ||
| expected := debezium.Field{ | ||
| Type: "bytes", | ||
| FieldName: "col", | ||
| DebeziumType: "org.apache.kafka.connect.data.Decimal", | ||
| Parameters: map[string]any{ | ||
| "scale": "2", | ||
| }, | ||
| } | ||
| assert.Equal(t, expected, converter.ToField("col")) | ||
| } | ||
| { | ||
| // With precision | ||
| converter := NewDecimalConverter(2, ptr.ToInt(3)) | ||
| expected := debezium.Field{ | ||
| Type: "bytes", | ||
| FieldName: "col", | ||
| DebeziumType: "org.apache.kafka.connect.data.Decimal", | ||
| Parameters: map[string]any{ | ||
| "connect.decimal.precision": "3", | ||
| "scale": "2", | ||
| }, | ||
| } | ||
| assert.Equal(t, expected, converter.ToField("col")) | ||
| } | ||
| { | ||
| // Without precision | ||
| converter := NewDecimalConverter(2, nil) | ||
| expected := debezium.Field{ | ||
| Type: "bytes", | ||
| FieldName: "col", | ||
| DebeziumType: "org.apache.kafka.connect.data.Decimal", | ||
| Parameters: map[string]any{ | ||
| "scale": "2", | ||
| }, | ||
| } | ||
| assert.Equal(t, expected, converter.ToField("col")) | ||
| } | ||
| { | ||
| // With precision | ||
| converter := NewDecimalConverter(2, ptr.ToInt(3)) | ||
| expected := debezium.Field{ | ||
| Type: "bytes", | ||
| FieldName: "col", | ||
| DebeziumType: "org.apache.kafka.connect.data.Decimal", | ||
| Parameters: map[string]any{ | ||
| "connect.decimal.precision": "3", | ||
| "scale": "2", | ||
| }, | ||
| } | ||
| assert.Equal(t, expected, converter.ToField("col")) | ||
| } | ||
| } | ||
|
|
||
| func TestDecimalConverter_Convert(t *testing.T) { | ||
| converter := NewDecimalConverter(2, nil) | ||
| { | ||
| // Malformed value - empty string. | ||
| _, err := converter.Convert("") | ||
| assert.ErrorContains(t, err, "unable to use '' as a floating-point number") | ||
| } | ||
| { | ||
| // Malformed value - not a floating-point. | ||
| _, err := converter.Convert("11qwerty00") | ||
| assert.ErrorContains(t, err, "unable to use '11qwerty00' as a floating-point number") | ||
| } | ||
| { | ||
| // Happy path. | ||
| converted, err := converter.Convert("1.23") | ||
| assert.NoError(t, err) | ||
| bytes, ok := converted.([]byte) | ||
| assert.True(t, ok) | ||
| actualValue, err := converter.ToField("").DecodeDecimal(bytes) | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, "1.23", fmt.Sprint(actualValue)) | ||
| } | ||
| converter := NewDecimalConverter(2, nil) | ||
| { | ||
| // Malformed value - empty string. | ||
| _, err := converter.Convert("") | ||
| assert.ErrorContains(t, err, `unable to use "" as a floating-point number`) | ||
| } | ||
| { | ||
| // Malformed value - not a floating-point. | ||
| _, err := converter.Convert("11qwerty00") | ||
| assert.ErrorContains(t, err, `unable to use "11qwerty00" as a floating-point number`) | ||
| } | ||
| { | ||
| // Happy path. | ||
| converted, err := converter.Convert("1.23") | ||
| assert.NoError(t, err) | ||
| bytes, ok := converted.([]byte) | ||
| assert.True(t, ok) | ||
| actualValue, err := converter.ToField("").DecodeDecimal(bytes) | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, "1.23", fmt.Sprint(actualValue)) | ||
| } | ||
| } | ||
|
|
||
| func TestGetScale(t *testing.T) { | ||
| type _testCase struct { | ||
| name string | ||
| value string | ||
| expectedScale int | ||
| } | ||
| type _testCase struct { | ||
| name string | ||
| value string | ||
| expectedScale int | ||
| } | ||
|
|
||
| testCases := []_testCase{ | ||
| { | ||
| name: "0 scale", | ||
| value: "5", | ||
| expectedScale: 0, | ||
| }, | ||
| { | ||
| name: "2 scale", | ||
| value: "9.99", | ||
| expectedScale: 2, | ||
| }, | ||
| { | ||
| name: "5 scale", | ||
| value: "9.12345", | ||
| expectedScale: 5, | ||
| }, | ||
| } | ||
| testCases := []_testCase{ | ||
| { | ||
| name: "0 scale", | ||
| value: "5", | ||
| expectedScale: 0, | ||
| }, | ||
| { | ||
| name: "2 scale", | ||
| value: "9.99", | ||
| expectedScale: 2, | ||
| }, | ||
| { | ||
| name: "5 scale", | ||
| value: "9.12345", | ||
| expectedScale: 5, | ||
| }, | ||
| } | ||
|
|
||
| for _, testCase := range testCases { | ||
| actualScale := getScale(testCase.value) | ||
| assert.Equal(t, testCase.expectedScale, actualScale, testCase.name) | ||
| } | ||
| for _, testCase := range testCases { | ||
| actualScale := getScale(testCase.value) | ||
| assert.Equal(t, testCase.expectedScale, actualScale, testCase.name) | ||
| } | ||
| } | ||
|
|
||
| func TestVariableNumericConverter_ToField(t *testing.T) { | ||
| converter := VariableNumericConverter{} | ||
| expected := debezium.Field{ | ||
| FieldName: "col", | ||
| Type: "struct", | ||
| DebeziumType: "io.debezium.data.VariableScaleDecimal", | ||
| } | ||
| assert.Equal(t, expected, converter.ToField("col")) | ||
| converter := VariableNumericConverter{} | ||
| expected := debezium.Field{ | ||
| FieldName: "col", | ||
| Type: "struct", | ||
| DebeziumType: "io.debezium.data.VariableScaleDecimal", | ||
| } | ||
| assert.Equal(t, expected, converter.ToField("col")) | ||
| } | ||
|
|
||
| func TestVariableNumericConverter_Convert(t *testing.T) { | ||
| converter := VariableNumericConverter{} | ||
| { | ||
| // Wrong type | ||
| _, err := converter.Convert(1234) | ||
| assert.ErrorContains(t, err, "expected string got int with value: 1234") | ||
| } | ||
| { | ||
| // Malformed value - emty string. | ||
| _, err := converter.Convert("") | ||
| assert.ErrorContains(t, err, "unable to use '' as a floating-point number") | ||
| } | ||
| { | ||
| // Malformed value - not a floating point. | ||
| _, err := converter.Convert("malformed") | ||
| assert.ErrorContains(t, err, "unable to use 'malformed' as a floating-point number") | ||
| } | ||
| { | ||
| // Happy path | ||
| converted, err := converter.Convert("12.34") | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, map[string]any{"scale": int32(2), "value": []byte{0x4, 0xd2}}, converted) | ||
| actualValue, err := converter.ToField("").DecodeDebeziumVariableDecimal(converted) | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, "12.34", actualValue.String()) | ||
| } | ||
| converter := VariableNumericConverter{} | ||
| { | ||
| // Wrong type | ||
| _, err := converter.Convert(1234) | ||
| assert.ErrorContains(t, err, "expected string got int with value: 1234") | ||
| } | ||
| { | ||
| // Malformed value - empty string. | ||
| _, err := converter.Convert("") | ||
| assert.ErrorContains(t, err, `unable to use "" as a floating-point number`) | ||
| } | ||
| { | ||
| // Malformed value - not a floating point. | ||
| _, err := converter.Convert("malformed") | ||
| assert.ErrorContains(t, err, `unable to use "malformed" as a floating-point number`) | ||
| } | ||
| { | ||
| // Happy path | ||
| converted, err := converter.Convert("12.34") | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, map[string]any{"scale": int32(2), "value": []byte{0x4, 0xd2}}, converted) | ||
| actualValue, err := converter.ToField("").DecodeDebeziumVariableDecimal(converted) | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, "12.34", actualValue.String()) | ||
| } | ||
| } |
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