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Copy pathCsvUploadTests.cs
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419 lines (385 loc) · 14.9 KB
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using System.Net.Http.Headers;
using Npgsql;
namespace NpgsqlRestTests;
public static partial class Database
{
public static void CsvUploadTests()
{
script.Append(@"
create table csv_simple_upload_table
(
index int,
id int,
name text,
value int,
prev_result int,
meta json
);
create function csv_simple_upload_process_row(
_index int,
_row text[],
_prev_result int,
_meta json
)
returns int
language plpgsql
as
$$
begin
if _index > 1 then
insert into csv_simple_upload_table (
index,
id,
name,
value,
prev_result,
meta
)
values (
_index,
_row[1]::int,
_row[2],
_row[3]::int,
_prev_result,
_meta
);
end if;
return _index;
end;
$$;
create function csv_simple_upload(
_meta json = null
)
returns json
language plpgsql
as
$$
begin
return _meta;
end;
$$;
comment on function csv_simple_upload(json) is '
upload for csv
param _meta is upload metadata
row_command = select csv_simple_upload_process_row($1,$2,$3,$4)
';
create table csv_mixed_delimiter_upload_table
(
index int,
id int,
name text,
value int
);
create procedure csv_mixed_delimiter_upload_row(
_index int,
_row text[]
)
language plpgsql
as
$$
begin
insert into csv_mixed_delimiter_upload_table (
index,
id,
name,
value
)
values (
_index,
_row[1]::int,
_row[2],
_row[3]::int
);
end;
$$;
-- will use tab, comma and semicolon as delimiters
create function csv_mixed_delimiter_upload(
_meta json = null
)
returns json
language plpgsql
as
$$
begin
return _meta;
end;
$$;
comment on function csv_mixed_delimiter_upload(json) is '
upload for csv
param _meta is upload metadata
delimiters = \t,;
row_command = call csv_mixed_delimiter_upload_row($1,$2)
';
-- CSV fallback to large_object test
create table csv_fallback_lo_upload_table
(
index int,
id int,
name text,
value int
);
create function csv_fallback_lo_upload_process_row(
_index int,
_row text[]
)
returns int
language plpgsql
as
$$
begin
if _index > 1 then
insert into csv_fallback_lo_upload_table (
index,
id,
name,
value
)
values (
_index,
_row[1]::int,
_row[2],
_row[3]::int
);
end if;
return _index;
end;
$$;
create function csv_fallback_lo_upload(
_meta json = null
)
returns json
language plpgsql
as
$$
begin
return _meta;
end;
$$;
comment on function csv_fallback_lo_upload(json) is '
upload for csv
param _meta is upload metadata
check_format = true
fallback_handler = large_object
row_command = select csv_fallback_lo_upload_process_row($1,$2)
';
-- CSV no fallback test (check_format = true, no fallback_handler)
create function csv_no_fallback_upload(
_meta json = null
)
returns json
language plpgsql
as
$$
begin
return _meta;
end;
$$;
comment on function csv_no_fallback_upload(json) is '
upload for csv
param _meta is upload metadata
check_format = true
row_command = call csv_mixed_delimiter_upload_row($1,$2)
';
");
}
}
[Collection("TestFixture")]
public class CsvUploadTests(TestFixture test)
{
[Fact]
public async Task Test_csv_mixed_delimiter_upload_test1()
{
var fileName = "test-mixed-delimiter-upload.csv";
var sb = new StringBuilder();
sb.AppendLine("11\tXXX,333");
sb.AppendLine("12;YYY\t666");
sb.AppendLine("13,;999");
var csvContent = sb.ToString();
var contentBytes = Encoding.UTF8.GetBytes(csvContent);
using var formData = new MultipartFormDataContent();
using var byteContent = new ByteArrayContent(contentBytes);
byteContent.Headers.ContentType = new MediaTypeHeaderValue("text/csv");
formData.Add(byteContent, "file", fileName);
using var result = await test.Client.PostAsync("/api/csv-mixed-delimiter-upload/", formData);
var response = await result.Content.ReadAsStringAsync();
result.StatusCode.Should().Be(HttpStatusCode.OK);
var jsonDoc = JsonDocument.Parse(response);
var rootElement = jsonDoc.RootElement[0]; // Get the first object in the array
rootElement.GetProperty("type").GetString().Should().Be("csv");
rootElement.GetProperty("fileName").GetString().Should().Be(fileName);
rootElement.GetProperty("contentType").GetString().Should().Be("text/csv");
rootElement.GetProperty("status").GetString().Should().Be("Ok");
using var connection = Database.CreateConnection();
await connection.OpenAsync();
using var command = new NpgsqlCommand("select * from csv_mixed_delimiter_upload_table", connection);
using var reader = await command.ExecuteReaderAsync();
var data = new List<(int id, string name, int value)>();
int idx = 0;
while (await reader.ReadAsync())
{
idx++;
if (idx == 1)
{
reader.GetInt32(0).Should().Be(1);
reader.GetInt32(1).Should().Be(11);
reader.GetString(2).Should().Be("XXX");
reader.GetInt32(3).Should().Be(333);
}
if (idx == 2)
{
reader.GetInt32(0).Should().Be(2);
reader.GetInt32(1).Should().Be(12);
reader.GetString(2).Should().Be("YYY");
reader.GetInt32(3).Should().Be(666);
}
if (idx == 3)
{
reader.GetInt32(0).Should().Be(3);
reader.GetInt32(1).Should().Be(13);
reader.IsDBNull(2).Should().BeTrue();
reader.GetInt32(3).Should().Be(999);
}
}
idx.Should().Be(3);
}
[Fact]
public async Task Test_csv_simple_upload_test1()
{
var fileName = "test-csv-upload.csv";
var sb = new StringBuilder();
sb.AppendLine("Id,Name,Value");
sb.AppendLine("10,Item 1,666");
sb.AppendLine("11,,999");
sb.AppendLine("12,Item 3,");
var csvContent = sb.ToString();
var contentBytes = Encoding.UTF8.GetBytes(csvContent);
using var formData = new MultipartFormDataContent();
using var byteContent = new ByteArrayContent(contentBytes);
byteContent.Headers.ContentType = new MediaTypeHeaderValue("text/csv");
formData.Add(byteContent, "file", fileName);
using var result = await test.Client.PostAsync("/api/csv-simple-upload/", formData);
var response = await result.Content.ReadAsStringAsync();
result.StatusCode.Should().Be(HttpStatusCode.OK);
var jsonDoc = JsonDocument.Parse(response);
var rootElement = jsonDoc.RootElement[0]; // Get the first object in the array
rootElement.GetProperty("type").GetString().Should().Be("csv");
rootElement.GetProperty("fileName").GetString().Should().Be(fileName);
rootElement.GetProperty("contentType").GetString().Should().Be("text/csv");
rootElement.GetProperty("status").GetString().Should().Be("Ok");
using var connection = Database.CreateConnection();
await connection.OpenAsync();
using var command = new NpgsqlCommand("select * from csv_simple_upload_table", connection);
using var reader = await command.ExecuteReaderAsync();
var data = new List<(int id, string name, int value, string meta)>();
int idx = 0;
while (await reader.ReadAsync())
{
idx++;
if (idx == 1)
{
reader.GetInt32(0).Should().Be(2);
reader.GetInt32(1).Should().Be(10);
reader.GetString(2).Should().Be("Item 1");
reader.GetInt32(3).Should().Be(666);
reader.GetInt32(4).Should().Be(1);
reader.GetString(5).Should().StartWith("{\"type\":\"csv\",\"fileName\":\"test-csv-upload.csv\",\"contentType\":\"text/csv\",\"size\"");
}
if (idx == 2)
{
reader.GetInt32(0).Should().Be(3);
reader.GetInt32(1).Should().Be(11);
reader.IsDBNull(2).Should().BeTrue();
reader.GetInt32(3).Should().Be(999);
reader.GetInt32(4).Should().Be(2);
reader.GetString(5).Should().StartWith("{\"type\":\"csv\",\"fileName\":\"test-csv-upload.csv\",\"contentType\":\"text/csv\",\"size\"");
}
if (idx == 3)
{
reader.GetInt32(0).Should().Be(4);
reader.GetInt32(1).Should().Be(12);
reader.GetString(2).Should().Be("Item 3");
reader.IsDBNull(3).Should().BeTrue();
reader.GetInt32(4).Should().Be(3);
reader.GetString(5).Should().StartWith("{\"type\":\"csv\",\"fileName\":\"test-csv-upload.csv\",\"contentType\":\"text/csv\",\"size\"");
}
}
idx.Should().Be(3);
}
[Fact]
public async Task Test_csv_fallback_to_large_object()
{
// Upload binary content to a CSV endpoint with fallback_handler = large_object
var binaryContent = new byte[] { 0x00, 0x01, 0x02, 0xFF, 0xFE, 0xFD, 0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xE0, 0xF0 };
using var formData = new MultipartFormDataContent();
using var byteContent = new ByteArrayContent(binaryContent);
byteContent.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
formData.Add(byteContent, "file", "binary-data.bin");
using var result = await test.Client.PostAsync("/api/csv-fallback-lo-upload/", formData);
var response = await result.Content.ReadAsStringAsync();
result.StatusCode.Should().Be(HttpStatusCode.OK);
// Should have fallen back to large_object handler
var jsonDoc = JsonDocument.Parse(response);
var rootElement = jsonDoc.RootElement[0];
rootElement.GetProperty("type").GetString().Should().Be("large_object");
rootElement.GetProperty("fileName").GetString().Should().Be("binary-data.bin");
rootElement.GetProperty("success").GetBoolean().Should().BeTrue();
rootElement.GetProperty("oid").ValueKind.Should().Be(JsonValueKind.Number);
// Verify the large object exists in PostgreSQL
var oid = rootElement.GetProperty("oid").GetInt64();
using var connection = Database.CreateConnection();
await connection.OpenAsync();
using var command = new NpgsqlCommand($"select lo_get({oid})", connection);
using var transaction = await connection.BeginTransactionAsync();
var loData = await command.ExecuteScalarAsync() as byte[];
loData.Should().NotBeNull();
loData!.Length.Should().Be(binaryContent.Length);
}
[Fact]
public async Task Test_csv_fallback_valid_csv_still_processes_normally()
{
// Upload valid CSV to endpoint with fallback_handler configured - should NOT fall back
var sb = new StringBuilder();
sb.AppendLine("Id,Name,Value");
sb.AppendLine("20,Fallback Test,777");
var csvContent = Encoding.UTF8.GetBytes(sb.ToString());
using var formData = new MultipartFormDataContent();
using var byteContent = new ByteArrayContent(csvContent);
byteContent.Headers.ContentType = new MediaTypeHeaderValue("text/csv");
formData.Add(byteContent, "file", "valid.csv");
using var result = await test.Client.PostAsync("/api/csv-fallback-lo-upload/", formData);
var response = await result.Content.ReadAsStringAsync();
result.StatusCode.Should().Be(HttpStatusCode.OK);
// Should process as CSV, not fall back
var jsonDoc = JsonDocument.Parse(response);
var rootElement = jsonDoc.RootElement[0];
rootElement.GetProperty("type").GetString().Should().Be("csv");
rootElement.GetProperty("success").GetBoolean().Should().BeTrue();
// Verify the CSV row was inserted
using var connection = Database.CreateConnection();
await connection.OpenAsync();
using var command = new NpgsqlCommand("select * from csv_fallback_lo_upload_table where id = 20", connection);
using var reader = await command.ExecuteReaderAsync();
(await reader.ReadAsync()).Should().BeTrue();
reader.GetInt32(1).Should().Be(20);
reader.GetString(2).Should().Be("Fallback Test");
reader.GetInt32(3).Should().Be(777);
}
[Fact]
public async Task Test_csv_no_fallback_still_reports_format_error()
{
// Upload binary content to CSV endpoint WITHOUT fallback_handler - should report error
var binaryContent = new byte[] { 0x00, 0x01, 0x02, 0xFF, 0xFE, 0xFD, 0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xE0, 0xF0 };
using var formData = new MultipartFormDataContent();
using var byteContent = new ByteArrayContent(binaryContent);
byteContent.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
formData.Add(byteContent, "file", "binary-data.bin");
using var result = await test.Client.PostAsync("/api/csv-no-fallback-upload/", formData);
var response = await result.Content.ReadAsStringAsync();
result.StatusCode.Should().Be(HttpStatusCode.OK);
// Should report format error, no fallback
var jsonDoc = JsonDocument.Parse(response);
var rootElement = jsonDoc.RootElement[0];
rootElement.GetProperty("success").GetBoolean().Should().BeFalse();
rootElement.GetProperty("status").GetString().Should().Be("ProbablyBinary");
}
}
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