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cqlite_core/storage/sstable/
validation.rs

1//! SSTable Cassandra compatibility validation framework
2//!
3//! NOTE: Issue #176 removed SSTable writing (writer.rs deleted).
4//! All validation methods that require SSTableWriter are disabled.
5
6use std::process::Command;
7
8use crate::{error::Error, Result};
9use crate::{platform::Platform, Config};
10use std::sync::Arc;
11
12/// Validation framework for Cassandra compatibility
13pub struct CassandraValidationFramework {
14    /// Platform abstraction
15    #[allow(dead_code)]
16    platform: Arc<Platform>,
17    /// Configuration
18    #[allow(dead_code)]
19    config: Config,
20    /// Test data directory
21    #[allow(dead_code)]
22    test_dir: String,
23}
24
25impl CassandraValidationFramework {
26    /// Create a new validation framework
27    pub fn new(platform: Arc<Platform>, config: Config, test_dir: &str) -> Self {
28        Self {
29            platform,
30            config,
31            test_dir: test_dir.to_string(),
32        }
33    }
34
35    /// Run comprehensive validation suite
36    ///
37    /// NOTE: Issue #176 removed SSTable writing (writer.rs deleted).
38    /// Validation methods that require writing are now disabled.
39    pub async fn run_full_validation(&self) -> Result<ValidationReport> {
40        Err(Error::unsupported_format(
41            "Validation removed in Issue #176 - SSTable writing (writer.rs) deleted",
42        ))
43    }
44
45    /// Validate header format against Cassandra specification
46    ///
47    /// NOTE: Issue #176 removed SSTable writing (writer.rs deleted).
48    #[allow(dead_code)]
49    async fn validate_header_format(&self) -> Result<TestResult> {
50        Err(Error::unsupported_format(
51            "Header format validation removed in Issue #176 - requires SSTableWriter",
52        ))
53    }
54
55    /// Validate magic bytes are correct
56    ///
57    /// NOTE: Issue #176 removed SSTable writing (writer.rs deleted).
58    #[allow(dead_code)]
59    async fn validate_magic_bytes(&self) -> Result<TestResult> {
60        Err(Error::unsupported_format(
61            "Magic bytes validation removed in Issue #176 - requires SSTableWriter",
62        ))
63    }
64
65    /// Validate big-endian encoding
66    ///
67    /// NOTE: Issue #176 removed SSTable writing (writer.rs deleted).
68    #[allow(dead_code)]
69    async fn validate_endianness(&self) -> Result<TestResult> {
70        Err(Error::unsupported_format(
71            "Endianness validation removed in Issue #176 - requires SSTableWriter",
72        ))
73    }
74
75    /// Validate compression compatibility
76    ///
77    /// NOTE: Issue #176 removed SSTable writing (writer.rs deleted).
78    #[allow(dead_code)]
79    async fn validate_compression_compatibility(&self) -> Result<TestResult> {
80        Err(Error::unsupported_format(
81            "Compression validation removed in Issue #176 - requires SSTableWriter",
82        ))
83    }
84
85    /// Test specific compression algorithm
86    ///
87    /// NOTE: Issue #176 removed SSTable writing (writer.rs deleted).
88    #[allow(dead_code)]
89    async fn test_compression_algorithm(&self, _algorithm: &str) -> Result<TestResult> {
90        Err(Error::unsupported_format(
91            "Compression testing removed in Issue #176 - requires SSTableWriter",
92        ))
93    }
94
95    /// Validate round-trip compatibility with Cassandra
96    ///
97    /// NOTE: Issue #176 removed SSTable writing (writer.rs deleted).
98    #[allow(dead_code)]
99    async fn validate_round_trip(&self) -> Result<TestResult> {
100        Err(Error::unsupported_format(
101            "Round-trip validation removed in Issue #176 - requires SSTableWriter",
102        ))
103    }
104
105    /// Validate bloom filter compatibility
106    ///
107    /// NOTE: Issue #176 removed SSTable writing (writer.rs deleted).
108    #[allow(dead_code)]
109    async fn validate_bloom_filter_compatibility(&self) -> Result<TestResult> {
110        Err(Error::unsupported_format(
111            "Bloom filter validation removed in Issue #176 - requires SSTableWriter",
112        ))
113    }
114
115    /// Use Cassandra tools to validate SSTable if available
116    pub fn validate_with_cassandra_tools(&self, sstable_path: &str) -> Result<TestResult> {
117        // Try to run sstabletool describe
118        let output = Command::new("sstabletool")
119            .arg("describe")
120            .arg(sstable_path)
121            .output();
122
123        match output {
124            Ok(result) => {
125                if result.status.success() {
126                    let stdout = String::from_utf8_lossy(&result.stdout);
127                    Ok(TestResult::success(&format!(
128                        "Cassandra tools validation passed: {}",
129                        stdout.lines().take(3).collect::<Vec<_>>().join("; ")
130                    )))
131                } else {
132                    let stderr = String::from_utf8_lossy(&result.stderr);
133                    Ok(TestResult::failure(
134                        "Cassandra tools validation failed",
135                        &stderr,
136                    ))
137                }
138            }
139            Err(e) => Ok(TestResult::warning(
140                "Cassandra tools not available",
141                &format!("Could not run sstabletool: {}", e),
142            )),
143        }
144    }
145}
146
147/// Test result representation
148#[derive(Debug, Clone)]
149pub struct TestResult {
150    pub status: TestStatus,
151    pub message: String,
152    pub details: String,
153}
154
155impl TestResult {
156    pub fn success(message: &str) -> Self {
157        Self {
158            status: TestStatus::Pass,
159            message: message.to_string(),
160            details: String::new(),
161        }
162    }
163
164    pub fn failure(message: &str, details: &str) -> Self {
165        Self {
166            status: TestStatus::Fail,
167            message: message.to_string(),
168            details: details.to_string(),
169        }
170    }
171
172    pub fn warning(message: &str, details: &str) -> Self {
173        Self {
174            status: TestStatus::Warning,
175            message: message.to_string(),
176            details: details.to_string(),
177        }
178    }
179}
180
181/// Test status enumeration
182#[derive(Debug, Clone, PartialEq)]
183pub enum TestStatus {
184    Pass,
185    Fail,
186    Warning,
187}
188
189impl std::fmt::Display for TestStatus {
190    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
191        match self {
192            TestStatus::Pass => write!(f, "PASS"),
193            TestStatus::Fail => write!(f, "FAIL"),
194            TestStatus::Warning => write!(f, "WARN"),
195        }
196    }
197}
198
199/// Comprehensive validation report
200#[derive(Debug)]
201pub struct ValidationReport {
202    pub tests: Vec<(String, TestResult)>,
203}
204
205impl Default for ValidationReport {
206    fn default() -> Self {
207        Self::new()
208    }
209}
210
211impl ValidationReport {
212    pub fn new() -> Self {
213        Self { tests: Vec::new() }
214    }
215
216    pub fn add_test_result(&mut self, test_name: &str, result: TestResult) {
217        self.tests.push((test_name.to_string(), result));
218    }
219
220    pub fn is_successful(&self) -> bool {
221        !self
222            .tests
223            .iter()
224            .any(|(_, result)| result.status == TestStatus::Fail)
225    }
226
227    pub fn summary(&self) -> String {
228        let total = self.tests.len();
229        let passed = self
230            .tests
231            .iter()
232            .filter(|(_, r)| r.status == TestStatus::Pass)
233            .count();
234        let failed = self
235            .tests
236            .iter()
237            .filter(|(_, r)| r.status == TestStatus::Fail)
238            .count();
239        let warnings = self
240            .tests
241            .iter()
242            .filter(|(_, r)| r.status == TestStatus::Warning)
243            .count();
244
245        format!(
246            "Validation Summary: {}/{} passed, {} failed, {} warnings",
247            passed, total, failed, warnings
248        )
249    }
250
251    pub fn detailed_report(&self) -> String {
252        let mut report = String::new();
253        report.push_str("=== Cassandra Compatibility Validation Report ===\n\n");
254        report.push_str(&format!("{}\n\n", self.summary()));
255
256        for (test_name, result) in &self.tests {
257            report.push_str(&format!(
258                "[{}] {}: {}\n",
259                result.status, test_name, result.message
260            ));
261            if !result.details.is_empty() {
262                report.push_str(&format!("    Details: {}\n", result.details));
263            }
264            report.push('\n');
265        }
266
267        report
268    }
269}
270
271#[cfg(test)]
272mod tests {
273    use super::*;
274    use tempfile::TempDir;
275
276    #[tokio::test]
277    async fn test_validation_framework_creation() {
278        let temp_dir = TempDir::new().unwrap();
279        let config = Config::default();
280        let platform = Arc::new(Platform::new(&config).await.unwrap());
281
282        let framework =
283            CassandraValidationFramework::new(platform, config, temp_dir.path().to_str().unwrap());
284
285        // Basic functionality test
286        assert!(!framework.test_dir.is_empty());
287    }
288
289    #[tokio::test]
290    async fn test_validation_report() {
291        let mut report = ValidationReport::new();
292
293        report.add_test_result("test1", TestResult::success("All good"));
294        report.add_test_result("test2", TestResult::failure("Bad news", "Details here"));
295
296        assert!(!report.is_successful());
297        assert!(report.summary().contains("1/2 passed"));
298        assert!(report.detailed_report().contains("PASS"));
299        assert!(report.detailed_report().contains("FAIL"));
300    }
301}