forjar 1.4.2

Rust-native Infrastructure as Code — bare-metal first, BLAKE3 state, provenance tracing
Documentation 
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use super::tests_helpers::make_config;
use super::*;
use std::collections::HashMap;

#[test]
fn test_fj004_plan_all_create() {
    let config = make_config();
    let order = vec!["pkg".to_string(), "conf".to_string(), "svc".to_string()];
    let locks = HashMap::new();
    let plan = plan(&config, &order, &locks, None);

    assert_eq!(plan.to_create, 3);
    assert_eq!(plan.to_update, 0);
    assert_eq!(plan.unchanged, 0);
    assert_eq!(plan.changes.len(), 3);
    assert!(plan.changes.iter().all(|c| c.action == PlanAction::Create));
}

#[test]
fn test_fj004_plan_all_unchanged() {
    let config = make_config();
    let order = vec!["pkg".to_string(), "conf".to_string(), "svc".to_string()];

    // Create locks that match desired state
    let mut resources = indexmap::IndexMap::new();
    for id in &order {
        let resource = &config.resources[id];
        resources.insert(
            id.clone(),
            ResourceLock {
                resource_type: resource.resource_type.clone(),
                status: ResourceStatus::Converged,
                applied_at: None,
                duration_seconds: None,
                hash: hash_desired_state(resource),
                details: HashMap::new(),
            },
        );
    }
    let lock = StateLock {
        schema: "1.0".to_string(),
        machine: "m1".to_string(),
        hostname: "m1".to_string(),
        generated_at: "2026-01-01T00:00:00Z".to_string(),
        generator: "forjar".to_string(),
        blake3_version: "1.8".to_string(),
        resources,
    };
    let mut locks = HashMap::new();
    locks.insert("m1".to_string(), lock);

    let plan = plan(&config, &order, &locks, None);
    assert_eq!(plan.unchanged, 3);
    assert_eq!(plan.to_create, 0);
}

#[test]
fn test_fj004_plan_update_on_hash_mismatch() {
    let config = make_config();
    let order = vec!["pkg".to_string()];

    let mut resources = indexmap::IndexMap::new();
    resources.insert(
        "pkg".to_string(),
        ResourceLock {
            resource_type: ResourceType::Package,
            status: ResourceStatus::Converged,
            applied_at: None,
            duration_seconds: None,
            hash: "blake3:stale_hash".to_string(),
            details: HashMap::new(),
        },
    );
    let lock = StateLock {
        schema: "1.0".to_string(),
        machine: "m1".to_string(),
        hostname: "m1".to_string(),
        generated_at: "2026-01-01T00:00:00Z".to_string(),
        generator: "forjar".to_string(),
        blake3_version: "1.8".to_string(),
        resources,
    };
    let mut locks = HashMap::new();
    locks.insert("m1".to_string(), lock);

    let plan = plan(&config, &order, &locks, None);
    assert_eq!(plan.to_update, 1);
}

#[test]
fn test_fj004_plan_destroy() {
    let yaml = "\nversion: \"1.0\"\nname: test\nmachines:\n  m1:\n    hostname: m1\n    addr: 127.0.0.1\nresources:\n  old-file:\n    type: file\n    machine: m1\n    path: /tmp/gone\n    state: absent\n";
    let config: ForjarConfig = serde_yaml_ng::from_str(yaml).unwrap();
    let order = vec!["old-file".to_string()];

    let mut resources = indexmap::IndexMap::new();
    resources.insert(
        "old-file".to_string(),
        ResourceLock {
            resource_type: ResourceType::File,
            status: ResourceStatus::Converged,
            applied_at: None,
            duration_seconds: None,
            hash: "blake3:xxx".to_string(),
            details: HashMap::new(),
        },
    );
    let lock = StateLock {
        schema: "1.0".to_string(),
        machine: "m1".to_string(),
        hostname: "m1".to_string(),
        generated_at: "2026-01-01T00:00:00Z".to_string(),
        generator: "forjar".to_string(),
        blake3_version: "1.8".to_string(),
        resources,
    };
    let mut locks = HashMap::new();
    locks.insert("m1".to_string(), lock);

    let plan = plan(&config, &order, &locks, None);
    assert_eq!(plan.to_destroy, 1);
}

#[test]
fn test_fj004_plan_failed_resource_gets_retried() {
    let config = make_config();
    let order = vec!["pkg".to_string()];

    let mut resources = indexmap::IndexMap::new();
    resources.insert(
        "pkg".to_string(),
        ResourceLock {
            resource_type: ResourceType::Package,
            status: ResourceStatus::Failed,
            applied_at: None,
            duration_seconds: None,
            hash: "blake3:xxx".to_string(),
            details: HashMap::new(),
        },
    );
    let lock = StateLock {
        schema: "1.0".to_string(),
        machine: "m1".to_string(),
        hostname: "m1".to_string(),
        generated_at: "2026-01-01T00:00:00Z".to_string(),
        generator: "forjar".to_string(),
        blake3_version: "1.8".to_string(),
        resources,
    };
    let mut locks = HashMap::new();
    locks.insert("m1".to_string(), lock);

    let plan = plan(&config, &order, &locks, None);
    assert_eq!(plan.to_update, 1);
}

#[test]
fn test_fj004_absent_not_in_lock_is_noop() {
    let yaml = "\nversion: \"1.0\"\nname: test\nmachines:\n  m1:\n    hostname: m1\n    addr: 127.0.0.1\nresources:\n  gone-file:\n    type: file\n    machine: m1\n    path: /tmp/gone\n    state: absent\n";
    let config: ForjarConfig = serde_yaml_ng::from_str(yaml).unwrap();
    let order = vec!["gone-file".to_string()];
    let locks = HashMap::new(); // no lock — resource never existed
    let plan = plan(&config, &order, &locks, None);
    assert_eq!(
        plan.unchanged, 1,
        "absent resource not in lock should be NoOp"
    );
}

#[test]
fn test_fj004_plan_with_broken_template_fallback() {
    // Template resolution error triggers fallback to unresolved resource
    let yaml = "\nversion: \"1.0\"\nname: test\nmachines:\n  m1:\n    hostname: m1\n    addr: 1.1.1.1\nresources:\n  config:\n    type: file\n    machine: m1\n    path: /etc/test\n    content: \"{{params.missing_key}}\"\n";
    let config: ForjarConfig = serde_yaml_ng::from_str(yaml).unwrap();
    let order = vec!["config".to_string()];
    let locks = HashMap::new();
    // Should not panic — falls back to unresolved resource
    let plan = plan(&config, &order, &locks, None);
    assert_eq!(plan.to_create, 1);
}

#[test]
fn test_fj004_multi_machine() {
    let yaml = "\nversion: \"1.0\"\nname: test\nmachines:\n  a:\n    hostname: a\n    addr: 1.1.1.1\n  b:\n    hostname: b\n    addr: 2.2.2.2\nresources:\n  tools:\n    type: package\n    machine: [a, b]\n    provider: cargo\n    packages: [batuta]\n";
    let config: ForjarConfig = serde_yaml_ng::from_str(yaml).unwrap();
    let order = vec!["tools".to_string()];
    let locks = HashMap::new();
    let plan = plan(&config, &order, &locks, None);
    // One resource on two machines = 2 planned changes
    assert_eq!(plan.changes.len(), 2);
    assert_eq!(plan.to_create, 2);
}

#[test]
fn test_fj004_multi_machine_partial_lock() {
    // One machine converged, other is new
    let yaml = "\nversion: \"1.0\"\nname: test\nmachines:\n  a:\n    hostname: a\n    addr: 1.1.1.1\n  b:\n    hostname: b\n    addr: 2.2.2.2\nresources:\n  pkg:\n    type: package\n    machine: [a, b]\n    provider: apt\n    packages: [curl]\n";
    let config: ForjarConfig = serde_yaml_ng::from_str(yaml).unwrap();
    let order = vec!["pkg".to_string()];
    let resource = &config.resources["pkg"];

    let mut a_resources = indexmap::IndexMap::new();
    a_resources.insert(
        "pkg".to_string(),
        ResourceLock {
            resource_type: ResourceType::Package,
            status: ResourceStatus::Converged,
            applied_at: None,
            duration_seconds: None,
            hash: hash_desired_state(resource),
            details: HashMap::new(),
        },
    );
    let mut locks = HashMap::new();
    locks.insert(
        "a".to_string(),
        StateLock {
            schema: "1.0".to_string(),
            machine: "a".to_string(),
            hostname: "a".to_string(),
            generated_at: "2026-01-01T00:00:00Z".to_string(),
            generator: "forjar".to_string(),
            blake3_version: "1.8".to_string(),
            resources: a_resources,
        },
    );

    let plan = plan(&config, &order, &locks, None);
    assert_eq!(plan.changes.len(), 2);
    // a is unchanged, b is create
    assert_eq!(plan.unchanged, 1);
    assert_eq!(plan.to_create, 1);
}

#[test]
fn test_fj004_empty_execution_order() {
    let config = make_config();
    let order: Vec<String> = vec![];
    let locks = HashMap::new();
    let plan = plan(&config, &order, &locks, None);
    assert_eq!(plan.changes.len(), 0);
    assert_eq!(plan.to_create, 0);
}

#[test]
fn test_fj004_nonexistent_resource_in_order_skipped() {
    let config = make_config();
    let order = vec!["nonexistent".to_string(), "pkg".to_string()];
    let locks = HashMap::new();
    let plan = plan(&config, &order, &locks, None);
    // Only pkg should be planned
    assert_eq!(plan.changes.len(), 1);
    assert_eq!(plan.changes[0].resource_id, "pkg");
}

#[test]
fn test_fj004_plan_name_from_config() {
    let config = make_config();
    let order = vec![];
    let locks = HashMap::new();
    let plan = plan(&config, &order, &locks, None);
    assert_eq!(plan.name, "test");
}

#[test]
fn test_fj004_determine_action_mount_default_state() {
    // Exercises `ResourceType::Mount => "mounted"` default state branch
    let yaml = "\nversion: \"1.0\"\nname: test\nmachines:\n  m1:\n    hostname: m1\n    addr: 127.0.0.1\nresources:\n  nfs-share:\n    type: mount\n    machine: m1\n    source: \"nas:/data\"\n    path: /mnt/data\n";
    let config: ForjarConfig = serde_yaml_ng::from_str(yaml).unwrap();
    let order = vec!["nfs-share".to_string()];
    let locks = HashMap::new();
    let plan = plan(&config, &order, &locks, None);
    assert_eq!(plan.to_create, 1);
}

#[test]
fn test_fj004_determine_action_service_default_state() {
    // Exercises `ResourceType::Service => "running"` default state branch
    // (no explicit state field)
    let yaml = "\nversion: \"1.0\"\nname: test\nmachines:\n  m1:\n    hostname: m1\n    addr: 127.0.0.1\nresources:\n  web:\n    type: service\n    machine: m1\n    name: nginx\n";
    let config: ForjarConfig = serde_yaml_ng::from_str(yaml).unwrap();
    let order = vec!["web".to_string()];
    let locks = HashMap::new();
    let plan = plan(&config, &order, &locks, None);
    assert_eq!(plan.to_create, 1);
}

#[test]
fn test_fj004_determine_action_default_state_non_standard_type() {
    // Exercises the `_ => "present"` default state branch for non-standard
    // resource types (User, Docker, Network, etc.)
    let yaml = "\nversion: \"1.0\"\nname: test\nmachines:\n  m1:\n    hostname: m1\n    addr: 127.0.0.1\nresources:\n  my-user:\n    type: user\n    machine: m1\n    name: deploy\n";
    let config: ForjarConfig = serde_yaml_ng::from_str(yaml).unwrap();
    let order = vec!["my-user".to_string()];
    let locks = HashMap::new();
    let plan = plan(&config, &order, &locks, None);
    assert_eq!(plan.to_create, 1);
}

#[test]
fn test_fj132_plan_empty_order() {
    let config = make_config();
    let order: Vec<String> = vec![];
    let locks = HashMap::new();
    let p = plan(&config, &order, &locks, None);
    assert_eq!(p.to_create, 0);
    assert_eq!(p.to_update, 0);
    assert_eq!(p.unchanged, 0);
    assert_eq!(p.changes.len(), 0);
}

#[test]
fn test_fj132_plan_order_with_unknown_resource() {
    let config = make_config();
    let order = vec!["nonexistent".to_string()];
    let locks = HashMap::new();
    let p = plan(&config, &order, &locks, None);
    // Unknown resource ID should be silently skipped
    assert_eq!(p.to_create, 0);
    assert_eq!(p.changes.len(), 0);
}

#[test]
fn test_fj132_plan_mixed_actions() {
    // Config with one new resource and one unchanged resource
    let config = make_config();
    let order = vec!["pkg".to_string(), "conf".to_string()];

    let mut resources = indexmap::IndexMap::new();
    // pkg matches its hash — unchanged
    resources.insert(
        "pkg".to_string(),
        ResourceLock {
            resource_type: ResourceType::Package,
            status: ResourceStatus::Converged,
            applied_at: None,
            duration_seconds: None,
            hash: hash_desired_state(&config.resources["pkg"]),
            details: HashMap::new(),
        },
    );
    let lock = StateLock {
        schema: "1.0".to_string(),
        machine: "m1".to_string(),
        hostname: "m1".to_string(),
        generated_at: "2026-01-01T00:00:00Z".to_string(),
        generator: "forjar".to_string(),
        blake3_version: "1.8".to_string(),
        resources,
    };
    let mut locks = HashMap::new();
    locks.insert("m1".to_string(), lock);

    let p = plan(&config, &order, &locks, None);
    assert_eq!(p.unchanged, 1, "pkg should be unchanged");
    assert_eq!(p.to_create, 1, "conf should be created");
}