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use std::collections::BTreeMap;
use std::{env, error::Error, path::PathBuf, sync::Arc};
use arrow::datatypes::{DataType, Field, Schema, SchemaRef};
#[macro_export]
macro_rules! assert_batches_eq {
($EXPECTED_LINES: expr, $CHUNKS: expr) => {
let expected_lines: Vec<String> =
$EXPECTED_LINES.iter().map(|&s| s.into()).collect();
let formatted = arrow::util::pretty::pretty_format_batches($CHUNKS)
.unwrap()
.to_string();
let actual_lines: Vec<&str> = formatted.trim().lines().collect();
assert_eq!(
expected_lines, actual_lines,
"\n\nexpected:\n\n{:#?}\nactual:\n\n{:#?}\n\n",
expected_lines, actual_lines
);
};
}
#[macro_export]
macro_rules! assert_batches_sorted_eq {
($EXPECTED_LINES: expr, $CHUNKS: expr) => {
let mut expected_lines: Vec<String> =
$EXPECTED_LINES.iter().map(|&s| s.into()).collect();
let num_lines = expected_lines.len();
if num_lines > 3 {
expected_lines.as_mut_slice()[2..num_lines - 1].sort_unstable()
}
let formatted = arrow::util::pretty::pretty_format_batches($CHUNKS)
.unwrap()
.to_string();
let mut actual_lines: Vec<&str> = formatted.trim().lines().collect();
let num_lines = actual_lines.len();
if num_lines > 3 {
actual_lines.as_mut_slice()[2..num_lines - 1].sort_unstable()
}
assert_eq!(
expected_lines, actual_lines,
"\n\nexpected:\n\n{:#?}\nactual:\n\n{:#?}\n\n",
expected_lines, actual_lines
);
};
}
#[macro_export]
macro_rules! assert_contains {
($ACTUAL: expr, $EXPECTED: expr) => {
let actual_value: String = $ACTUAL.into();
let expected_value: String = $EXPECTED.into();
assert!(
actual_value.contains(&expected_value),
"Can not find expected in actual.\n\nExpected:\n{}\n\nActual:\n{}",
expected_value,
actual_value
);
};
}
#[macro_export]
macro_rules! assert_not_contains {
($ACTUAL: expr, $UNEXPECTED: expr) => {
let actual_value: String = $ACTUAL.into();
let unexpected_value: String = $UNEXPECTED.into();
assert!(
!actual_value.contains(&unexpected_value),
"Found unexpected in actual.\n\nUnexpected:\n{}\n\nActual:\n{}",
unexpected_value,
actual_value
);
};
}
pub fn arrow_test_data() -> String {
match get_data_dir("ARROW_TEST_DATA", "../testing/data") {
Ok(pb) => pb.display().to_string(),
Err(err) => panic!("failed to get arrow data dir: {}", err),
}
}
pub fn parquet_test_data() -> String {
match get_data_dir("PARQUET_TEST_DATA", "../parquet-testing/data") {
Ok(pb) => pb.display().to_string(),
Err(err) => panic!("failed to get parquet data dir: {}", err),
}
}
fn get_data_dir(udf_env: &str, submodule_data: &str) -> Result<PathBuf, Box<dyn Error>> {
if let Ok(dir) = env::var(udf_env) {
let trimmed = dir.trim().to_string();
if !trimmed.is_empty() {
let pb = PathBuf::from(trimmed);
if pb.is_dir() {
return Ok(pb);
} else {
return Err(format!(
"the data dir `{}` defined by env {} not found",
pb.display(),
udf_env
)
.into());
}
}
}
let dir = env!("CARGO_MANIFEST_DIR");
let pb = PathBuf::from(dir).join(submodule_data);
if pb.is_dir() {
Ok(pb)
} else {
Err(format!(
"env `{}` is undefined or has empty value, and the pre-defined data dir `{}` not found\n\
HINT: try running `git submodule update --init`",
udf_env,
pb.display(),
).into())
}
}
pub fn aggr_test_schema() -> SchemaRef {
let mut f1 = Field::new("c1", DataType::Utf8, false);
f1.set_metadata(Some(BTreeMap::from_iter(
vec![("testing".into(), "test".into())].into_iter(),
)));
let schema = Schema::new(vec![
f1,
Field::new("c2", DataType::UInt32, false),
Field::new("c3", DataType::Int8, false),
Field::new("c4", DataType::Int16, false),
Field::new("c5", DataType::Int32, false),
Field::new("c6", DataType::Int64, false),
Field::new("c7", DataType::UInt8, false),
Field::new("c8", DataType::UInt16, false),
Field::new("c9", DataType::UInt32, false),
Field::new("c10", DataType::UInt64, false),
Field::new("c11", DataType::Float32, false),
Field::new("c12", DataType::Float64, false),
Field::new("c13", DataType::Utf8, false),
]);
Arc::new(schema)
}
pub fn aggr_test_schema_with_missing_col() -> SchemaRef {
let mut f1 = Field::new("c1", DataType::Utf8, false);
f1.set_metadata(Some(BTreeMap::from_iter(
vec![("testing".into(), "test".into())].into_iter(),
)));
let schema = Schema::new(vec![
f1,
Field::new("c2", DataType::UInt32, false),
Field::new("c3", DataType::Int8, false),
Field::new("c4", DataType::Int16, false),
Field::new("c5", DataType::Int32, false),
Field::new("c6", DataType::Int64, false),
Field::new("c7", DataType::UInt8, false),
Field::new("c8", DataType::UInt16, false),
Field::new("c9", DataType::UInt32, false),
Field::new("c10", DataType::UInt64, false),
Field::new("c11", DataType::Float32, false),
Field::new("c12", DataType::Float64, false),
Field::new("c13", DataType::Utf8, false),
Field::new("missing_col", DataType::Int64, true),
]);
Arc::new(schema)
}
#[cfg(test)]
mod tests {
use super::*;
use std::env;
#[test]
fn test_data_dir() {
let udf_env = "get_data_dir";
let cwd = env::current_dir().unwrap();
let existing_pb = cwd.join("..");
let existing = existing_pb.display().to_string();
let existing_str = existing.as_str();
let non_existing = cwd.join("non-existing-dir").display().to_string();
let non_existing_str = non_existing.as_str();
env::set_var(udf_env, non_existing_str);
let res = get_data_dir(udf_env, existing_str);
assert!(res.is_err());
env::set_var(udf_env, "");
let res = get_data_dir(udf_env, existing_str);
assert!(res.is_ok());
assert_eq!(res.unwrap(), existing_pb);
env::set_var(udf_env, " ");
let res = get_data_dir(udf_env, existing_str);
assert!(res.is_ok());
assert_eq!(res.unwrap(), existing_pb);
env::set_var(udf_env, existing_str);
let res = get_data_dir(udf_env, existing_str);
assert!(res.is_ok());
assert_eq!(res.unwrap(), existing_pb);
env::remove_var(udf_env);
let res = get_data_dir(udf_env, non_existing_str);
assert!(res.is_err());
let res = get_data_dir(udf_env, existing_str);
assert!(res.is_ok());
assert_eq!(res.unwrap(), existing_pb);
}
#[test]
fn test_happy() {
let res = arrow_test_data();
assert!(PathBuf::from(res).is_dir());
let res = parquet_test_data();
assert!(PathBuf::from(res).is_dir());
}
}