cadmpeg-ir 0.6.2

CAD data model, validation, diffing, and codec API for cadmpeg.
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// SPDX-License-Identifier: Apache-2.0

use crate::document::CadIr;
use crate::draft::CommitSession;
use crate::draft::DraftError;
use crate::draft::ModelDraft;

use crate::document::Model;
use crate::features::{
    Feature, FeatureDefinition, FeatureOperation, FeatureTreeNodeRole, TreeChildren,
};

pub(super) fn parent_draft() -> ModelDraft {
    let mut draft = ModelDraft::new();
    for (key, ordinal) in [("0-parent", 0), ("1-child", 1)] {
        draft
            .insert(Feature {
                id: format!("test:parents:feature#{key}").try_into().unwrap(),
                ordinal,
                name: None,
                suppressed: None,
                dependencies: crate::features::DistinctMembers::default(),
                source_properties: std::collections::BTreeMap::default(),
                source_tag: None,
                source_text: None,
                source_content: crate::features::FeatureContent::default(),
                evaluation: crate::features::FeatureEvaluation::from_definition(
                    FeatureDefinition::Operation(FeatureOperation::StoredGeometry {}),
                ),
                native_ref: None,
            })
            .unwrap();
    }
    draft
        .model_mut()
        .set_feature_regeneration_parent(
            &("test:parents:feature#1-child".try_into().unwrap()),
            &("test:parents:feature#0-parent".try_into().unwrap()),
        )
        .unwrap();
    draft
}

fn commit(model: Model, base: &mut CadIr, use_session: bool) -> Result<(), DraftError> {
    let mut draft = ModelDraft::new();
    *draft.model_mut() = model;
    if use_session {
        CommitSession::new(base, &cadmpeg_test_support::service_decode_context(), None)?
            .commit_model(draft)?
    } else {
        draft.commit_model(base, &cadmpeg_test_support::service_decode_context())?
    }
}

#[test]
fn parent_admission_rejects_records_removed_or_reordered_after_the_checked_setter() {
    for mutation in ["missing parent", "missing child", "ordinal"] {
        let mut draft = parent_draft();
        match mutation {
            "missing parent" => {
                draft.model_mut().features.remove(0);
            }
            "missing child" => {
                draft.model_mut().features.remove(1);
            }
            "ordinal" => {
                draft.model_mut().features[1].ordinal = 0;
            }
            _ => unreachable!(),
        }
        for use_session in [false, true] {
            let mut base = crate::examples::unit_cube().unwrap();
            let before = base.clone();
            let error = commit(draft.model().clone(), &mut base, use_session).unwrap_err();
            assert!(
                matches!(error, DraftError::FeatureParents { ref owner, .. }
                if owner.as_str() == "test:parents:feature#1-child"),
                "{error}"
            );
            assert_eq!(base, before);
        }
    }
}

#[test]
fn parent_admission_preserves_a_predecessor_moved_to_the_destination() {
    for use_session in [false, true] {
        let mut draft = parent_draft();
        let mut base = CadIr::empty();
        base.model
            .features
            .push(draft.model_mut().features.remove(0));
        commit(draft.model().clone(), &mut base, use_session).unwrap();
        let read = CadIr::from_json(&base.to_canonical_json().unwrap()).unwrap();
        assert_eq!(read, base);
        assert_eq!(
            read.model
                .feature_regeneration_parent(&"test:parents:feature#1-child".try_into().unwrap())
                .unwrap()
                .as_str(),
            "test:parents:feature#0-parent"
        );
    }
}

#[test]
fn parent_admission_checks_tree_ownership_across_the_destination_and_draft() {
    let mut draft = parent_draft();
    let mut base = CadIr::empty();
    let mut parent = draft.model_mut().features.remove(0);
    parent
        .evaluation
        .set_definition(FeatureDefinition::Operation(FeatureOperation::TreeNode {
            role: FeatureTreeNodeRole::History,
            children: TreeChildren::new(
                vec!["test:parents:feature#1-child".try_into().unwrap()],
                None,
            )
            .unwrap(),
        }));
    base.model.features.push(parent);
    for use_session in [false, true] {
        let mut destination = base.clone();
        let error = commit(draft.model().clone(), &mut destination, use_session).unwrap_err();
        assert!(
            matches!(error, DraftError::FeatureParents { .. }),
            "{error}"
        );
        assert!(error.to_string().contains("states no regeneration parent"));
        assert_eq!(destination, base);
    }
}