fraiseql-db 2.12.0

Database abstraction layer for FraiseQL v2
Documentation 
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use super::*;

#[test]
fn test_to_snake_case() {
    assert_eq!(to_snake_case("id"), "id");
    assert_eq!(to_snake_case("firstName"), "first_name");
    assert_eq!(to_snake_case("createdAt"), "created_at");
    assert_eq!(to_snake_case("userId"), "user_id");
    assert_eq!(to_snake_case("updatedAtTimestamp"), "updated_at_timestamp");
    assert_eq!(to_snake_case("ipAddress"), "ip_address");
}

#[test]
fn test_to_snake_case_idempotent() {
    assert_eq!(to_snake_case("ip_address"), "ip_address");
    assert_eq!(to_snake_case("first_name"), "first_name");
    assert_eq!(to_snake_case("id"), "id");
}

#[test]
fn test_to_snake_case_digit_boundaries() {
    // Letter→digit boundary on a NON-acronym: a digit segment is its own word (the
    // inverse of to_camel_case collapsing `phone_1` → `phone1`).
    assert_eq!(to_snake_case("phone1"), "phone_1");
    assert_eq!(to_snake_case("phone2"), "phone_2");
    assert_eq!(to_snake_case("address2"), "address_2");
    assert_eq!(to_snake_case("line2Content"), "line_2_content");
    assert_eq!(to_snake_case("foo3"), "foo_3"); // not registered → splits
    // Digit→uppercase-word boundary.
    assert_eq!(to_snake_case("dns1Id"), "dns_1_id");
    assert_eq!(to_snake_case("backup10Id"), "backup_10_id");
    // Consecutive digits stay one word.
    assert_eq!(to_snake_case("phone12"), "phone_12");
}

#[test]
fn test_to_snake_case_acronyms_stay_whole() {
    // Built-in acronyms (`<word><digit>`) keep their internal digit attached.
    assert_eq!(to_snake_case("s3"), "s3");
    assert_eq!(to_snake_case("ec2"), "ec2");
    assert_eq!(to_snake_case("ipv4"), "ipv4");
    assert_eq!(to_snake_case("ipv6"), "ipv6");
    assert_eq!(to_snake_case("oauth2"), "oauth2");
    assert_eq!(to_snake_case("sha256"), "sha256");
    assert_eq!(to_snake_case("md5"), "md5");
    // An acronym at the start of a compound stays whole; the next word boundary
    // still splits.
    assert_eq!(to_snake_case("s3Bucket"), "s3_bucket");
    // After a camelCase hump the digit is already protected by the uppercase
    // boundary (no acronym lookup needed).
    assert_eq!(to_snake_case("awsS3Bucket"), "aws_s3_bucket");
}

#[test]
fn test_to_snake_case_digit_idempotent() {
    // Already-snake digit fields must round-trip unchanged.
    assert_eq!(to_snake_case("phone_1"), "phone_1");
    assert_eq!(to_snake_case("address_2"), "address_2");
    assert_eq!(to_snake_case("dns_1_id"), "dns_1_id");
    assert_eq!(to_snake_case("s3"), "s3"); // acronym idempotent
}

#[test]
fn test_set_runtime_acronyms_adds_to_defaults() {
    // A unique term not registered anywhere else, so this test's global mutation
    // (OnceLock is process-wide) cannot affect another test's expectations.
    set_runtime_acronyms(&["acmewidget7".to_string()]);
    assert_eq!(to_snake_case("acmewidget7"), "acmewidget7");
    // Built-in defaults still apply alongside the project addition.
    assert_eq!(to_snake_case("s3"), "s3");
    assert_eq!(to_snake_case("ipv4"), "ipv4");
    // A non-registered name still splits.
    assert_eq!(to_snake_case("phone1"), "phone_1");
}