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#[cfg(test)]
mod prop_expansion_tests {
use super::*;
use crate::bash_parser::ast::*;
use proptest::prelude::*;
// Property: Glob patterns are preserved
proptest! {
#[test]
fn prop_glob_patterns_preserved(
var_name in "[a-z][a-z0-9]{0,5}",
extension in "txt|log|md|rs"
) {
let glob_pattern = format!("*.{}", extension);
let ast = BashAst {
statements: vec![BashStmt::For {
variable: var_name.clone(),
items: BashExpr::Glob(glob_pattern.clone()),
body: vec![BashStmt::Command {
name: "echo".to_string(),
args: vec![BashExpr::Variable(var_name.clone())],
redirects: vec![],
span: Span::dummy(),
}],
span: Span::dummy(),
}],
metadata: AstMetadata {
source_file: None,
line_count: 1,
parse_time_ms: 0,
},
};
let purified = generators::generate_purified_bash(&ast);
// PROPERTY: Glob pattern must be preserved
prop_assert!(
purified.contains(&glob_pattern),
"Purified output must preserve glob pattern '{}', got: {}",
glob_pattern,
purified
);
// PROPERTY: For loop structure must be present
prop_assert!(
purified.contains("for") && purified.contains("in") && purified.contains("do") && purified.contains("done"),
"Purified output must contain for loop structure, got: {}",
purified
);
}
}
// Property: Glob transformation is deterministic
proptest! {
#[test]
fn prop_glob_transformation_is_deterministic(
pattern in "[*?\\[\\]a-z.]+{1,10}"
) {
let ast = BashAst {
statements: vec![BashStmt::For {
variable: "f".to_string(),
items: BashExpr::Glob(pattern.clone()),
body: vec![BashStmt::Command {
name: "echo".to_string(),
args: vec![BashExpr::Variable("f".to_string())],
redirects: vec![],
span: Span::dummy(),
}],
span: Span::dummy(),
}],
metadata: AstMetadata {
source_file: None,
line_count: 1,
parse_time_ms: 0,
},
};
// Generate twice
let purified1 = generators::generate_purified_bash(&ast);
let purified2 = generators::generate_purified_bash(&ast);
// PROPERTY: Determinism - byte-identical output
prop_assert_eq!(
purified1,
purified2,
"Glob transformation must be deterministic"
);
}
}
// Property: Glob patterns with different wildcards
proptest! {
#[test]
fn prop_glob_wildcards_preserved(
prefix in "[a-z]{1,5}",
wildcard in "\\*|\\?|\\[0-9\\]"
) {
let pattern = format!("{}{}", prefix, wildcard);
let ast = BashAst {
statements: vec![BashStmt::Command {
name: "ls".to_string(),
args: vec![BashExpr::Glob(pattern.clone())],
redirects: vec![],
span: Span::dummy(),
}],
metadata: AstMetadata {
source_file: None,
line_count: 1,
parse_time_ms: 0,
},
};
let purified = generators::generate_purified_bash(&ast);
// PROPERTY: Pattern must be in output
prop_assert!(
purified.contains(&prefix),
"Purified output must contain prefix '{}', got: {}",
prefix,
purified
);
}
}
// Property: Error-if-unset expansion preserves variable and message
proptest! {
#[test]
fn prop_error_if_unset_preserves_components(
var_name in "[a-zA-Z_][a-zA-Z0-9_]{0,10}",
error_msg in "[a-zA-Z ]{5,30}"
) {
let ast = BashAst {
statements: vec![BashStmt::Command {
name: "echo".to_string(),
args: vec![BashExpr::ErrorIfUnset {
variable: var_name.clone(),
message: Box::new(BashExpr::Literal(error_msg.clone())),
}],
redirects: vec![],
span: Span::dummy(),
}],
metadata: AstMetadata {
source_file: None,
line_count: 1,
parse_time_ms: 0,
},
};
let purified = generators::generate_purified_bash(&ast);
// PROPERTY: Must contain the variable name
prop_assert!(
purified.contains(&var_name),
"Purified output must contain variable name '{}', got: {}",
var_name,
purified
);
// PROPERTY: Must contain the error message
prop_assert!(
purified.contains(&error_msg),
"Purified output must contain error message '{}', got: {}",
error_msg,
purified
);
// PROPERTY: Must contain :? operator
prop_assert!(
purified.contains(":?"),
"Purified output must contain :? operator, got: {}",
purified
);
}
}
// Property: Error-if-unset expansion is deterministic
proptest! {
#[test]
fn prop_error_if_unset_is_deterministic(
var_name in "[a-zA-Z_][a-zA-Z0-9_]{0,10}",
error_msg in "[a-zA-Z ]{5,30}"
) {
let ast = BashAst {
statements: vec![BashStmt::Assignment {
name: "result".to_string(),
index: None,
value: BashExpr::ErrorIfUnset {
variable: var_name.clone(),
message: Box::new(BashExpr::Literal(error_msg.clone())),
},
exported: false,
span: Span::dummy(),
}],
metadata: AstMetadata {
source_file: None,
line_count: 1,
parse_time_ms: 0,
},
};
// Generate twice
let purified1 = generators::generate_purified_bash(&ast);
let purified2 = generators::generate_purified_bash(&ast);
// PROPERTY: Determinism - byte-identical output
prop_assert_eq!(
purified1,
purified2,
"Error-if-unset expansion must be deterministic"
);
}
}
// Property: Error-if-unset uses :? not :- or :=
proptest! {
#[test]
fn prop_error_if_unset_uses_correct_operator(
var_name in "[a-zA-Z_][a-zA-Z0-9_]{0,10}",
error_msg in "[a-zA-Z ]{5,30}"
) {
let ast = BashAst {
statements: vec![BashStmt::Command {
name: "test".to_string(),
args: vec![BashExpr::ErrorIfUnset {
variable: var_name.clone(),
message: Box::new(BashExpr::Literal(error_msg.clone())),
}],
redirects: vec![],
span: Span::dummy(),
}],
metadata: AstMetadata {
source_file: None,
line_count: 1,
parse_time_ms: 0,
},
};
let purified = generators::generate_purified_bash(&ast);
// PROPERTY: Must use :? operator
prop_assert!(
purified.contains(":?"),
"Purified output must contain :? operator, got: {}",
purified
);
// PROPERTY: Must NOT use :- or := operators
prop_assert!(
!purified.contains(":-") && !purified.contains(":="),
"Purified output must not contain :- or := (should be :?), got: {}",
purified
);
}
}
// Property: Alternative value expansion preserves variable and alternative
proptest! {
#[test]
fn prop_alternative_value_preserves_components(
var_name in "[a-zA-Z_][a-zA-Z0-9_]{0,10}",
alt_value in "[a-zA-Z]{3,15}"
) {
let ast = BashAst {
statements: vec![BashStmt::Command {
name: "echo".to_string(),
args: vec![BashExpr::AlternativeValue {
variable: var_name.clone(),
alternative: Box::new(BashExpr::Literal(alt_value.clone())),
}],
redirects: vec![],
span: Span::dummy(),
}],
metadata: AstMetadata {
source_file: None,
line_count: 1,
parse_time_ms: 0,
},
};
let purified = generators::generate_purified_bash(&ast);
// PROPERTY: Must contain the variable name
prop_assert!(
purified.contains(&var_name),
"Purified output must contain variable name '{}', got: {}",
var_name,
purified
);
// PROPERTY: Must contain the alternative value
prop_assert!(
purified.contains(&alt_value),
"Purified output must contain alternative value '{}', got: {}",
alt_value,
purified
);
// PROPERTY: Must contain :+ operator
prop_assert!(
purified.contains(":+"),
"Purified output must contain :+ operator, got: {}",
purified
);
}
}
// Property: Alternative value expansion is deterministic
proptest! {
#[test]
fn prop_alternative_value_is_deterministic(
var_name in "[a-zA-Z_][a-zA-Z0-9_]{0,10}",
alt_value in "[a-zA-Z]{3,15}"
) {
let ast = BashAst {
statements: vec![BashStmt::Assignment {
name: "result".to_string(),
index: None,
value: BashExpr::AlternativeValue {
variable: var_name.clone(),
alternative: Box::new(BashExpr::Literal(alt_value.clone())),
},
exported: false,
span: Span::dummy(),
}],
metadata: AstMetadata {
source_file: None,
line_count: 1,
parse_time_ms: 0,
},
};
// Generate twice
let purified1 = generators::generate_purified_bash(&ast);
let purified2 = generators::generate_purified_bash(&ast);
// PROPERTY: Determinism - byte-identical output
prop_assert_eq!(
purified1,
purified2,
"Alternative value expansion must be deterministic"
);
}
}
// Property: Alternative value uses :+ not :-, :=, or :?
proptest! {
#[test]
fn prop_alternative_value_uses_correct_operator(
var_name in "[a-zA-Z_][a-zA-Z0-9_]{0,10}",
alt_value in "[a-zA-Z]{3,15}"
) {
let ast = BashAst {
statements: vec![BashStmt::Command {
name: "test".to_string(),
args: vec![BashExpr::AlternativeValue {
variable: var_name.clone(),
alternative: Box::new(BashExpr::Literal(alt_value.clone())),
}],
redirects: vec![],
span: Span::dummy(),
}],
metadata: AstMetadata {
source_file: None,
line_count: 1,
parse_time_ms: 0,
},
};
let purified = generators::generate_purified_bash(&ast);
// PROPERTY: Must use :+ operator
prop_assert!(
purified.contains(":+"),
"Purified output must contain :+ operator, got: {}",
purified
);
// PROPERTY: Must NOT use :-, :=, or :? operators
prop_assert!(
!purified.contains(":-") && !purified.contains(":=") && !purified.contains(":?"),
"Purified output must not contain :-, :=, or :? (should be :+), got: {}",
purified
);
}
}
}