another test

Author: fabianfett

Tests/PostgresNIOTests/New/PostgresRowTests.swift

@@ -156,4 +156,46 @@ final class PostgresRowTests: XCTestCase {
         XCTAssertEqual(result?.0, .some(.none))
         XCTAssertEqual(result?.1, "Hello world!")
     }
+
+    func testDecodingTypeMismatch() {
+        let rowDescription = [
+            RowDescription.Column(
+                name: "id",
+                tableOID: 1,
+                columnAttributeNumber: 1,
+                dataType: .uuid,
+                dataTypeSize: 0,
+                dataTypeModifier: 0,
+                format: .binary
+            ),
+            RowDescription.Column(
+                name: "name",
+                tableOID: 1,
+                columnAttributeNumber: 1,
+                dataType: .int8,
+                dataTypeSize: 0,
+                dataTypeModifier: 0,
+                format: .binary
+            )
+        ]
+
+        let row = PostgresRow(
+            data: .makeTestDataRow(nil, ByteBuffer(integer: 123)),
+            lookupTable: ["id": 0, "name": 1],
+            columns: rowDescription
+        )
+
+        XCTAssertThrowsError(try row.decode((UUID?, String).self)) { error in
+            guard let psqlError = error as? PostgresDecodingError else { return XCTFail("Unexpected error type") }
+
+            XCTAssertEqual(psqlError.columnName, "name")
+            XCTAssertEqual(psqlError.columnIndex, 1)
+            XCTAssertEqual(psqlError.line, #line - 5)
+            XCTAssertEqual(psqlError.file, #file)
+            XCTAssertEqual(psqlError.postgresData, ByteBuffer(integer: 123))
+            XCTAssertEqual(psqlError.postgresFormat, .binary)
+            XCTAssertEqual(psqlError.postgresType, .int8)
+            XCTAssert(psqlError.targetType == String.self)
+        }
+    }
 }