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Extract useful methods from sqllogictest bin (apache#14267)
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| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
|
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| use datafusion_common::{exec_datafusion_err, Result}; | ||
| use itertools::Itertools; | ||
| use log::Level::Warn; | ||
| use log::{info, log_enabled, warn}; | ||
| use sqllogictest::Normalizer; | ||
| use std::fs; | ||
| use std::path::{Path, PathBuf}; | ||
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| /// Sets up an empty directory at `test_files/scratch/<name>` | ||
| /// creating it if needed and clearing any file contents if it exists | ||
| /// This allows tests for inserting to external tables or copy to | ||
| /// persist data to disk and have consistent state when running | ||
| /// a new test | ||
| pub fn setup_scratch_dir(name: &Path) -> Result<()> { | ||
| // go from copy.slt --> copy | ||
| let file_stem = name.file_stem().expect("File should have a stem"); | ||
| let path = PathBuf::from("test_files").join("scratch").join(file_stem); | ||
|
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| info!("Creating scratch dir in {path:?}"); | ||
| if path.exists() { | ||
| fs::remove_dir_all(&path)?; | ||
| } | ||
| fs::create_dir_all(&path)?; | ||
| Ok(()) | ||
| } | ||
|
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| /// Trailing whitespace from lines in SLT will typically be removed, but do not fail if it is not | ||
| /// If particular test wants to cover trailing whitespace on a value, | ||
| /// it should project additional non-whitespace column on the right. | ||
| #[allow(clippy::ptr_arg)] | ||
| pub fn value_normalizer(s: &String) -> String { | ||
| s.trim_end().to_string() | ||
| } | ||
|
|
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| pub fn read_dir_recursive<P: AsRef<Path>>(path: P) -> Result<Vec<PathBuf>> { | ||
| let mut dst = vec![]; | ||
| read_dir_recursive_impl(&mut dst, path.as_ref())?; | ||
| Ok(dst) | ||
| } | ||
|
|
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| /// Append all paths recursively to dst | ||
| fn read_dir_recursive_impl(dst: &mut Vec<PathBuf>, path: &Path) -> Result<()> { | ||
| let entries = fs::read_dir(path) | ||
| .map_err(|e| exec_datafusion_err!("Error reading directory {path:?}: {e}"))?; | ||
| for entry in entries { | ||
| let path = entry | ||
| .map_err(|e| { | ||
| exec_datafusion_err!("Error reading entry in directory {path:?}: {e}") | ||
| })? | ||
| .path(); | ||
|
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| if path.is_dir() { | ||
| read_dir_recursive_impl(dst, &path)?; | ||
| } else { | ||
| dst.push(path); | ||
| } | ||
| } | ||
|
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| Ok(()) | ||
| } | ||
|
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| /// Validate the actual and expected values. | ||
| pub fn df_value_validator( | ||
| normalizer: Normalizer, | ||
| actual: &[Vec<String>], | ||
| expected: &[String], | ||
| ) -> bool { | ||
| let normalized_expected = expected.iter().map(normalizer).collect::<Vec<_>>(); | ||
| let normalized_actual = actual | ||
| .iter() | ||
| .map(|strs| strs.iter().join(" ")) | ||
| .map(|str| str.trim_end().to_string()) | ||
| .collect_vec(); | ||
|
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||
| if log_enabled!(Warn) && normalized_actual != normalized_expected { | ||
| warn!("df validation failed. actual vs expected:"); | ||
| for i in 0..normalized_actual.len() { | ||
| warn!("[{i}] {}<eol>", normalized_actual[i]); | ||
| warn!( | ||
| "[{i}] {}<eol>", | ||
| if normalized_expected.len() >= i { | ||
| &normalized_expected[i] | ||
| } else { | ||
| "No more results" | ||
| } | ||
| ); | ||
| } | ||
| } | ||
|
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| normalized_actual == normalized_expected | ||
| } |