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feat: add test with example trace #1

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268 changes: 268 additions & 0 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -331,3 +331,271 @@ pub enum EventLogKind {
// used for trace events
TraceLogEvent,
}

#[cfg(test)]
mod tests {
use super::*;

// An example of how the data structures can be put together to represent the execution of a
// program.
//
// This fictional program looks like this:
//
// ```
// 1: use std::env;
// 2:
// 3: fn main() {
// 4: let args: Vec<String> = env::args().collect();
// 5: let x: usize = args[1].parse().unwrap();
// 6: let factors = factorize(x);
// 7: println!("{factors:?}");
// 8: }
// 9:
// 10: fn factorize(x: usize) -> Vec<usize> {
// 11: assert_eq!(x, 1337);
// 12: let result = vec![7, 191];
// 13: return result;
// 14: }
// ```
#[test]
fn sample_trace_of_a_few_steps() {
let trace = TraceRecord {
workdir: PathBuf::from("/tmp/"),
paths: vec![String::from("/tmp/factorize.rs")],
steps: vec![
DbStep {
step_id: StepId(0),
path_id: PathId(0),
line: Line(3),
call_key: CallKey(0),
},
DbStep {
step_id: StepId(1),
path_id: PathId(0),
line: Line(4),
call_key: CallKey(1),
},
DbStep {
step_id: StepId(2),
path_id: PathId(0),
line: Line(5),
call_key: CallKey(1),
},
DbStep {
step_id: StepId(3),
path_id: PathId(0),
line: Line(6),
call_key: CallKey(1),
},
DbStep {
step_id: StepId(4),
path_id: PathId(0),
line: Line(11),
call_key: CallKey(2),
},
DbStep {
step_id: StepId(5),
path_id: PathId(0),
line: Line(12),
call_key: CallKey(2),
},
DbStep {
step_id: StepId(6),
path_id: PathId(0),
line: Line(13),
call_key: CallKey(2),
},
DbStep {
step_id: StepId(7),
path_id: PathId(0),
line: Line(7),
call_key: CallKey(1),
},
],
calls: vec![
DbCall {
key: CallKey(0),
function_id: FunctionId(0),
args: vec![],
return_value: ValueRecord::None { ti: TypeIndex(0) },
step_id: StepId(0),
depth: 0,
parent_key: CallKey(-1),
children_keys: vec![CallKey(0)],
},
DbCall {
key: CallKey(1),
function_id: FunctionId(1),
args: vec![],
return_value: ValueRecord::None { ti: TypeIndex(0) },
step_id: StepId(1),
depth: 1,
parent_key: CallKey(0),
children_keys: vec![CallKey(1)],
},
DbCall {
key: CallKey(2),
function_id: FunctionId(2),
args: vec![ArgRecord {
name: String::from("x"),
value: ValueRecord::Int {
i: 1337,
ti: TypeIndex(1),
},
}],
return_value: ValueRecord::Sequence {
elements: vec![
ValueRecord::Int {
i: 7,
ti: TypeIndex(1),
},
ValueRecord::Int {
i: 191,
ti: TypeIndex(1),
},
],
ti: TypeIndex(3),
},
step_id: StepId(4),
depth: 2,
parent_key: CallKey(1),
children_keys: vec![],
},
],
variables: vec![
vec![],
vec![],
vec![VariableRecord {
name: String::from("args"),
value: ValueRecord::Sequence {
elements: vec![
ValueRecord::String {
text: String::from("/tmp/factorize.rs"),
ti: TypeIndex(2),
},
ValueRecord::String {
text: String::from("1337"),
ti: TypeIndex(2),
},
],
ti: TypeIndex(3),
},
}],
vec![
VariableRecord {
name: String::from("args"),
value: ValueRecord::Sequence {
elements: vec![
ValueRecord::String {
text: String::from("/tmp/factorize.rs"),
ti: TypeIndex(2),
},
ValueRecord::String {
text: String::from("1337"),
ti: TypeIndex(2),
},
],
ti: TypeIndex(3),
},
},
VariableRecord {
name: String::from("x"),
value: ValueRecord::Int {
i: 1337,
ti: TypeIndex(1),
},
},
],
vec![VariableRecord {
name: String::from("x"),
value: ValueRecord::Int {
i: 1337,
ti: TypeIndex(1),
},
}],
vec![VariableRecord {
name: String::from("x"),
value: ValueRecord::Int {
i: 1337,
ti: TypeIndex(1),
},
}],
vec![
VariableRecord {
name: String::from("x"),
value: ValueRecord::Int {
i: 1337,
ti: TypeIndex(1),
},
},
VariableRecord {
name: String::from("result"),
value: ValueRecord::Sequence {
elements: vec![
ValueRecord::Int {
i: 7,
ti: TypeIndex(1),
},
ValueRecord::Int {
i: 191,
ti: TypeIndex(1),
},
],
ti: TypeIndex(3),
},
},
],
vec![
VariableRecord {
name: String::from("args"),
value: ValueRecord::Sequence {
elements: vec![
ValueRecord::String {
text: String::from("/tmp/factorize.rs"),
ti: TypeIndex(2),
},
ValueRecord::String {
text: String::from("1337"),
ti: TypeIndex(2),
},
],
ti: TypeIndex(3),
},
},
VariableRecord {
name: String::from("x"),
value: ValueRecord::Int {
i: 1337,
ti: TypeIndex(1),
},
},
],
],
events: vec![DbRecordEvent {
kind: EventLogKind::Write,
content: String::from("[7, 191]\n"),
step_id: StepId(7),
}],
types: vec![
TypeRecord {
kind: TypeKind::None,
lang_type: String::from("None"),
},
TypeRecord {
kind: TypeKind::Int,
lang_type: String::from("usize"),
},
TypeRecord {
kind: TypeKind::String,
lang_type: String::from("String"),
},
TypeRecord {
kind: TypeKind::Seq,
lang_type: String::from("Vec"),
},
],
};

assert_eq!(serde_json::to_string(&trace).unwrap().len(), 2046);
}
}