test-compact.m

-(void)testCompactedConflictedTree
{
    NSError * error;
    CDTDocumentRevision *mutableRev;
    mutableRev = [CDTDocumentRevision revisionWithDocId:@"aTestDocId"];
    mutableRev.body = [@{ @"hello" : @"world" } mutableCopy];
    
    CDTDocumentRevision * rev = [self.datastore createDocumentFromRevision:mutableRev error:&error];
    
    XCTAssertNotNil(rev, @"Document was not created");
    
    //borrow conversion code from update then do force insert
    
    NSMutableArray *leafRevIds = [NSMutableArray array];
    
    for (int i=0;i<10;i++) {
        
        NSDictionary *newBody = @{ @"leaf_number" : @(i)};
        
        TD_Revision *converted = [[TD_Revision alloc]initWithDocID:rev.docId
                                                             revID:rev.revId
                                                           deleted:rev.deleted];
        converted.body = [[TD_Body alloc] initWithProperties:newBody];
        
        TDStatus status;
        
        TD_Revision *leaf = [self.datastore.database putRevision:converted
                              prevRevisionID:rev.revId
                               allowConflict:YES
                                      status:&status];
        XCTAssertTrue(status == 201, @"Status not 0, found %ld", (long)status);
        [leafRevIds addObject:leaf.revID];
    }
    
    for(NSString *revId in leafRevIds) {
        CDTDocumentRevision *leaf = [self.datastore getDocumentWithId:rev.docId rev:revId error:&error];
        XCTAssertTrue(leaf.body != nil, @"Leaf body must not be nil");
    }

    [self.datastore compactWithError:&error];
    
    // check root tidied up
    CDTDocumentRevision *root = [self.datastore getDocumentWithId:rev.docId rev:rev.revId error:&error];
    XCTAssertTrue(root.body == nil, @"Root body must be nil");
    
    // check leafs not tidied up
    for(NSString *revId in leafRevIds) {
        CDTDocumentRevision *leaf = [self.datastore getDocumentWithId:rev.docId rev:revId error:&error];
        XCTAssertTrue(leaf.body != nil, @"Leaf body must not be nil");
    }

}