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test.mojo
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from csv import CsvBuilder, CsvTable
from testing import assert_equal
from time import now
fn test_csv_builder() raises:
var csv = CsvBuilder("a", "b", "c")
csv.push(1)
csv.push(2)
csv.push(3)
csv.push(4)
csv.push(5)
csv.push(6)
csv.push("Hello world", False)
csv.push("Hello \"world\"", True)
var actual = csv^.finish()
var expected = "a,b,c\r\n1,2,3\r\n4,5,6\r\nHello world,\"Hello \"\"world\"\"\",\r\n"
_= assert_equal(actual, expected)
fn test_csv_builder_no_header() raises:
var csv = CsvBuilder(3)
csv.push(1)
csv.push(2)
csv.push(3)
csv.push(4)
csv.push(5)
csv.push(6)
csv.push("Hello world", False)
csv.push("Hello \"world\"", True)
var actual = csv^.finish()
var expected = "1,2,3\r\n4,5,6\r\nHello world,\"Hello \"\"world\"\"\",\r\n"
_= assert_equal(actual, expected)
fn test_csv_extend_buffer() raises:
var csv = CsvBuilder(1)
var expected = String("")
for i in range(2000):
csv.push(i)
expected += String(i)
expected += "\r\n"
var actual = csv^.finish()
_= assert_equal(actual, expected)
fn test_csv_float_values() raises:
var csv = CsvBuilder(2)
csv.push(1)
csv.push(1.0)
csv.push(Float32(1))
csv.push(1.1)
csv.push(Float16(1.1))
csv.push(Float32(1.1))
csv.push(Float64(1.1))
var actual = csv^.finish()
var expected = "1,1.0\r\n1.0,1.1000000000000001\r\n1.099609375,1.1000000238418579\r\n1.1000000000000001,\r\n"
_= assert_equal(actual, expected)
@value
@register_passable
struct Range(Stringable):
var start: Int
var end: Int
fn __str__(self) -> String:
return String(self.start) + ":" + String(self.end)
fn test_csv_custom_values() raises:
var csv = CsvBuilder(2)
var r1 = Range(1, 13)
csv.push(r1)
csv.push(1.0)
csv.push(Float32(1))
csv.push(1.1)
csv.push(Float16(1.1))
csv.push(Float32(1.1))
csv.push(Float64(1.1))
var actual = csv^.finish()
var expected = "1:13,1.0\r\n1.0,1.1000000000000001\r\n1.099609375,1.1000000238418579\r\n1.1000000000000001,\r\n"
_= assert_equal(actual, expected)
fn test_csv_table() raises:
var csv = CsvBuilder(3)
csv.push("Hello")
csv.push("World")
csv.push("I am here", True)
csv.push("What about you, or them?", True)
csv.push("What about \"you\", or \"them\"?", True)
var csv_text = csv^.finish()
var t = CsvTable(csv_text, False)
_= assert_equal(len(t._starts), 6)
_= assert_equal(len(t._ends), 6)
_= assert_equal(t.column_count, 3)
_= assert_equal(t.row_count(), 2)
_= assert_equal(t.get(0, 0), "Hello")
_= assert_equal(t.get(0, 1), "World")
_= assert_equal(t.get(0, 2), "I am here")
_= assert_equal(t.get(1, 0), "What about you, or them?")
_= assert_equal(t.get(1, 1), "What about \"you\", or \"them\"?")
_= assert_equal(t.get(1, 2), "")
fn test_simd_csv_table() raises:
var csv = CsvBuilder(3)
csv.push("Hello")
csv.push("World")
csv.push("I am here", True)
csv.push("What about you, or them?", True)
csv.push("What about \"you\", or \"them\"?", True)
var csv_text = csv^.finish()
var t = CsvTable(csv_text, True)
_= assert_equal(len(t._starts), 6)
_= assert_equal(len(t._ends), 6)
_= assert_equal(t.column_count, 3)
_= assert_equal(t.row_count(), 2)
_= assert_equal(t.get(0, 0), "Hello")
_= assert_equal(t.get(0, 1), "World")
_= assert_equal(t.get(0, 2), "I am here")
_= assert_equal(t.get(1, 0), "What about you, or them?")
_= assert_equal(t.get(1, 1), "What about \"you\", or \"them\"?")
_= assert_equal(t.get(1, 2), "")
fn main() raises:
var tik = now()
test_csv_builder()
test_csv_builder_no_header()
test_csv_extend_buffer()
test_csv_float_values()
test_csv_custom_values()
test_csv_table()
test_simd_csv_table()
var tok = now()
print("DONE in", (tok - tik) / 1_000_000, "ms")