working on moving the 'TestCompression' code into its own crate

This commit is contained in:
Trevor Merritt 2025-06-01 14:12:48 -04:00
parent 21f6e492f6
commit c022b15465
16 changed files with 254 additions and 147 deletions

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@ -3,7 +3,3 @@ coverage = "tarpaulin --out Html --skip-clean --output-dir coverage"
[build]
rustc-wrapper = "sccache"
[target.x86_64-unknown-linux-gnu]
linker = "clang"
rustflags = ["-C", "link-arg=-fuse-ld=/usr/local/bin/mold"]

97
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@ -8,31 +8,19 @@
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@ -52,9 +40,9 @@
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@ -62,7 +50,10 @@
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@ -72,10 +63,16 @@
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@ -178,6 +175,23 @@
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<configuration name="Test compress_file_to_array" type="CargoCommandRunConfiguration" factoryName="Cargo Command" temporary="true">
<option name="command" value="test --package gemma --test test_compression_tests compress_file_to_array -- --exact" />
<option name="workingDirectory" value="file://$PROJECT_DIR$" />
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<option name="command" value="test --package gemma --test keypad" />
<option name="workingDirectory" value="file://$PROJECT_DIR$" />
@ -195,6 +209,23 @@
<option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
</method>
</configuration>
<configuration name="Test state_to_json" type="CargoCommandRunConfiguration" factoryName="Cargo Command" temporary="true">
<option name="command" value="test --package gemma --test computer_tests state_to_json -- --exact" />
<option name="workingDirectory" value="file://$PROJECT_DIR$" />
<envs />
<option name="emulateTerminal" value="true" />
<option name="channel" value="DEFAULT" />
<option name="requiredFeatures" value="true" />
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<option name="backtrace" value="SHORT" />
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<method v="2">
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<option name="command" value="test --workspace" />
<option name="workingDirectory" value="file://$PROJECT_DIR$" />
@ -231,6 +262,8 @@
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@ -248,10 +281,22 @@
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11
Cargo.lock generated
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@ -1996,6 +1996,7 @@ dependencies = [
"dimensioned",
"flate2",
"hex",
"lipsum",
"log",
"pretty_env_logger",
"rand 0.9.1",
@ -2906,6 +2907,16 @@ version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cd945864f07fe9f5371a27ad7b52a172b4b499999f1d97574c9fa68373937e12"
[[package]]
name = "lipsum"
version = "0.9.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "636860251af8963cc40f6b4baadee105f02e21b28131d76eba8e40ce84ab8064"
dependencies = [
"rand 0.8.5",
"rand_chacha 0.3.1",
]
[[package]]
name = "litemap"
version = "0.8.0"

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@ -32,3 +32,4 @@ eframe = { version = "0.29" }
# Testing
tempfile = "3.20"
lipsum = "0.9"

File diff suppressed because one or more lines are too long

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@ -15,4 +15,6 @@ flate2.workspace = true
clap.workspace = true
hex.workspace = true
log.workspace = true
# Testing
tempfile.workspace = true
lipsum.workspace = true

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@ -17,7 +17,6 @@
/// - Uncompressed files must only contain printable ASCII characters
/// - Stuff I don't know about yet
use std::fs;
use std::fs::File;
use clap::{Parser, Subcommand};
@ -33,6 +32,7 @@ use std::io::prelude::*;
use std::io;
use std::ptr::write;
use log::{debug, info};
use gemma::test_compression::TestCompression;
#[derive(Parser)]
#[command(author, version, about = "Compress or decompress a string", long_about = None)]
@ -56,52 +56,6 @@ enum Commands {
}
}
fn compress_file(input_path: &PathBuf) -> io::Result<()> {
let compressed_bytes= compress_file_to_array(input_path);
let output_filename = input_path.with_extension("deflated");
let mut output_file = File::create(&output_filename)?;
output_file.write_all(&compressed_bytes.unwrap())?;
Ok(())
}
fn compress_file_to_array(input_path: &Path) -> Result<Vec<u8>, String> {
let mut file = File::open(input_path)
.map_err(|e| std::io::Error::new(e.kind(), format!("Unable to open input path [{}]: {}", input_path.display(), e)));
let mut read_buffer = Vec::new();
let mut write_buffer = Vec::new();
file.unwrap().read_to_end(&mut read_buffer)
.map_err(|e| std::io::Error::new(e.kind(), format!("Unable to read input file [{}]: {}", input_path.display(), e)));
let mut encoder = DeflateEncoder::new(read_buffer, Compression::default());
encoder.write_all(&write_buffer)
.map_err(|e| std::io::Error::new(e.kind(), format!("Unable to compress data for [{}]: {}", input_path.display(), e)));
debug!("Compressed file from path: {}", input_path.display());
Ok(write_buffer)
}
fn decompress_file_to_array(input_path: &Path) -> Vec<u8> {
let file = File::open(input_path)
.map_err(|e| std::io::Error::new(e.kind(), format!("Unable to open input path [{}]: {}", input_path.display(), e)));
let mut decoder = DeflateDecoder::new(file.unwrap());
let mut return_vec = Vec::new();
decoder.read_to_end(&mut return_vec)
.map_err(|e| std::io::Error::new(e.kind(), format!("Unable to decompress data for [{}]: {}", input_path.display(), e)));
debug!("Decompressed file from path: {}", input_path.display());
return_vec
}
fn decompress_file(input_path: &PathBuf) -> io::Result<()> {
let decompressed_bytes = decompress_file_to_array(input_path);
let output_path = input_path.with_extension("inflated");
let mut output_file = File::create(&output_path)?;
output_file.write_all(&decompressed_bytes).expect(format!("Unable to write compressed data to [{}]", output_path.display()).as_str());
Ok(())
}
fn main() {
pretty_env_logger::init();
@ -109,10 +63,10 @@ fn main() {
match cli.command {
Commands::Compress { input } => {
compress_file(&input).expect(format!("Unable to compress {}", input.display()).as_str());
TestCompression::compress_file(&input).expect(format!("Unable to compress {}", input.display()).as_str());
}
Commands::Decompress { input } => {
decompress_file(&input).expect(format!("Unable to decompress {}", input.display()).as_str());
TestCompression::decompress_file(&input).expect(format!("Unable to decompress {}", input.display()).as_str());
}
}
}

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@ -15,4 +15,5 @@ pub mod chip8 {
pub mod quirk_modes;
}
pub mod constants;
pub mod constants;
pub mod test_compression;

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@ -0,0 +1,74 @@
use std::fs::File;
use std::io;
use std::io::{Read, Write};
use std::path::{Path, PathBuf};
use flate2::Compression;
use flate2::read::DeflateDecoder;
use flate2::write::DeflateEncoder;
use log::debug;
pub struct TestCompression {}
impl TestCompression {
pub fn compress_file(input_path: &PathBuf) -> io::Result<()> {
let compressed_bytes= TestCompression::compress_file_to_array(input_path);
let output_filename = input_path.with_extension("deflated");
let mut output_file = File::create(&output_filename)?;
output_file.write_all(&compressed_bytes.unwrap())?;
Ok(())
}
pub fn compress_file_to_array(input_path: &Path) -> Result<Vec<u8>, String> {
let mut file = File::open(input_path)
.map_err(|e| std::io::Error::new(e.kind(), format!("Unable to open input path [{}]: {}", input_path.display(), e)));
let mut read_buffer = Vec::new();
let mut write_buffer = Vec::new();
file.unwrap().read_to_end(&mut read_buffer)
.map_err(|e| std::io::Error::new(e.kind(), format!("Unable to read input file [{}]: {}", input_path.display(), e)));
let mut encoder = DeflateEncoder::new(read_buffer, Compression::default());
encoder.write_all(&write_buffer)
.map_err(|e| std::io::Error::new(e.kind(), format!("Unable to compress data for [{}]: {}", input_path.display(), e)));
debug!("Compressed file from path: {}", input_path.display());
Ok(write_buffer)
}
pub fn decompress_file_to_array(input_path: &Path) -> Vec<u8> {
let file = File::open(input_path)
.map_err(|e| std::io::Error::new(e.kind(), format!("Unable to open input path [{}]: {}", input_path.display(), e)));
let mut decoder = DeflateDecoder::new(file.unwrap());
let mut return_vec = Vec::new();
decoder.read_to_end(&mut return_vec)
.map_err(|e| std::io::Error::new(e.kind(), format!("Unable to decompress data for [{}]: {}", input_path.display(), e)));
debug!("Decompressed file from path: {}", input_path.display());
return_vec
}
pub fn decompress_file(input_path: &PathBuf) -> io::Result<()> {
let decompressed_bytes = TestCompression::decompress_file_to_array(input_path);
let output_path = input_path.with_extension("inflated");
let mut output_file = File::create(&output_path)?;
output_file.write_all(&decompressed_bytes).expect(format!("Unable to write compressed data to [{}]", output_path.display()).as_str());
Ok(())
}
pub fn compress_string(input: &str) -> Vec<u8> {
let mut encoder = DeflateEncoder::new(Vec::new(), Compression::default());
encoder
.write_all(input.as_bytes())
.expect("Failed to write data");
encoder.finish().expect("Failed to finish compression")
}
pub fn decompress_to_string(compressed_data: &[u8]) -> Result<String, std::io::Error> {
let mut decoder = DeflateDecoder::new(compressed_data);
let mut decompressed = String::new();
decoder.read_to_string(&mut decompressed)?;
Ok(decompressed)
}
}

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@ -92,7 +92,7 @@ fn level3_compressed_test() {
assert_eq!(
x.dump_video_to_string(),
load_compressed_result("gemma_integration.corax_plus")
load_compressed_result("gemma_integration_corax_plus")
);
}
@ -132,7 +132,6 @@ fn level4_test() {
);
}
#[test]
fn partial_eq_chip8computer() {
let x = Chip8Computer::new();
@ -140,6 +139,19 @@ fn partial_eq_chip8computer() {
assert_eq!(x, y)
}
#[test]
fn state_to_json() {
let x = Chip8Computer::new();
let expected = load_compressed_result("gemma_integration_state_to_json1");
let actual = x.dump_state_to_json();
println!("ACTUAL:: [{}]", actual);
assert_eq!(
actual,
expected
);
}
#[test]
fn tick_when_not_ready() {}

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@ -1,6 +1,6 @@
mod test_utils;
use gemma::chip8::keypad::Keypad;
use crate::test_utils::read_compressed_test_result;
use gemma::chip8::keypad::Keypad;
#[test]
fn keypad_keys_check() {
@ -20,17 +20,12 @@ fn keypad_keys_check() {
}
#[test]
#[ignore]
fn keypad_string_format_test() {
let k = Keypad::new();
let expected_result = read_compressed_test_result("gemma_keypad_string_result");
let actual_result = k.format_as_string();
let actual_result = Keypad::new().format_as_string();
println!("EXPECTING [{}]", expected_result);
println!("GOT [{}]", actual_result);
assert_eq!(
k.format_as_string(),
read_compressed_test_result("gemma_keypad_string_result")
);
assert_eq!(actual_result, expected_result);
}

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@ -1,4 +1,7 @@
use crate::test_utils::{compress_string, decompress_to_string};
use std::io::Write;
use std::path::Path;
use tempfile::{NamedTempFile, tempfile};
use gemma::test_compression::TestCompression;
mod test_utils;
@ -10,9 +13,42 @@ fn smoke() {
#[test]
fn round_trip() {
let text_to_process = "The quick brown fox jumps over the lazy dog.";
let compressed = compress_string(text_to_process);
let decompressed = decompress_to_string(&compressed).unwrap();
let compressed = TestCompression::compress_string(text_to_process);
let decompressed = TestCompression::decompress_to_string(&compressed).unwrap();
assert_eq!(text_to_process, decompressed);
}
#[test]
fn compress_file_to_array() {
// create a file with plain text...
// ...compress it to in-memory data
// ...confirm that matches predefined data
}
#[test]
fn compress_file() {
// create a file with plain text...
// ...compress it to a temp file...
// ...read the compressed data...
// ...verify it matches initial plain text
}
#[test]
fn decompress_file_to_array() {
// crate a file with plain text...
// ...write the compressed version
// ...
}
#[test]
fn decompress_file() {
}

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@ -4,28 +4,16 @@ use flate2::Compression;
use std::fs::File;
use std::io::{Read, Write};
use tempfile::tempfile;
const TEST_OUTPUT_SAMPLE_DIR: &str = "../resources/test/";
use gemma::test_compression::TestCompression;
const TEST_OUTPUT_SAMPLE_DIR: &str = "../resources/test/";
const TEST_ROMS_SAMPLE_DIR: &str = "../resources/roms/";
#[test]
fn smoke() {
assert!(true)
}
pub fn compress_string(input: &str) -> Vec<u8> {
let mut encoder = DeflateEncoder::new(Vec::new(), Compression::default());
encoder
.write_all(input.as_bytes())
.expect("Failed to write data");
encoder.finish().expect("Failed to finish compression")
}
pub fn decompress_to_string(compressed_data: &[u8]) -> Result<String, std::io::Error> {
let mut decoder = DeflateDecoder::new(compressed_data);
let mut decompressed = String::new();
decoder.read_to_string(&mut decompressed)?;
Ok(decompressed)
}
/// Read a compressed test result and return the expected result
/// as a string
pub fn read_compressed_test_result(suffix: &str) -> String {
@ -42,7 +30,7 @@ pub fn read_compressed_test_result(suffix: &str) -> String {
.read_to_end(&mut compressed_data)
.expect("Unable to compress data");
decompress_to_string(&compressed_data).unwrap()
TestCompression::decompress_to_string(&compressed_data).unwrap()
}
pub fn load_compressed_result(suffix: &str) -> String {
@ -50,39 +38,5 @@ pub fn load_compressed_result(suffix: &str) -> String {
}
pub fn load_rom(to_load: &str) -> Vec<u8> {
std::fs::read(format!("../resources/roms/{}.ch8", to_load)).unwrap()
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn smoke() {
assert!(true)
}
#[test]
fn compression_round_trip() {
let to_compress = "The quick brown fox jumps over the lazy dog.";
let compressed_text = compress_string(to_compress);
let decompressed_text = decompress_to_string(&compressed_text).unwrap();
assert_eq!(to_compress, decompressed_text);
}
#[test]
fn file_compression_round_trip() {
// compress string to file...
let string_to_compress = "The quick brown fox jumps over the lazy dog.";
let compressed_string = compress_string(string_to_compress);
let temp_target = tempfile().unwrap();
//
// ...decompress from file...
//
// ...verify its the same.
}
std::fs::read(format!("{}{}.ch8", TEST_ROMS_SAMPLE_DIR, to_load)).unwrap()
}

25
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@ -0,0 +1,25 @@
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Size=298,569
Collapsed=0
[Window][Keypad]
Pos=1057,32
Size=76,99
Collapsed=0
[Window][Video]
Pos=321,4
Size=800,600
Collapsed=0
[Window][System Memory]
Pos=768,2
Size=385,600
Collapsed=0

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