feat(MigrationService): Add support for pretend

Author: elpete

models/MigrationService.cfc

@@ -193,7 +193,8 @@ component accessors="true" {
     public struct function runNextMigration(
         required string direction,
         function postProcessHook = variables.noop,
-        function preProcessHook = variables.noop
+        function preProcessHook = variables.noop,
+        boolean pretend = false
     ) {
         install();
 
@@ -206,7 +207,8 @@ component accessors="true" {
                     arguments.direction,
                     migration,
                     postProcessHook,
-                    preProcessHook
+                    preProcessHook,
+                    arguments.pretend
                 );
                 return migration;
             }
@@ -227,7 +229,8 @@ component accessors="true" {
     public void function runAllMigrations(
         required string direction,
         function postProcessHook = variables.noop,
-        function preProcessHook = variables.noop
+        function preProcessHook = variables.noop,
+        boolean pretend = false
     ) {
         install();
 
@@ -248,7 +251,8 @@ component accessors="true" {
                 direction,
                 migration,
                 postProcessHook,
-                preProcessHook
+                preProcessHook,
+                pretend
             );
         } );
     }
@@ -402,7 +406,8 @@ component accessors="true" {
         required string direction,
         required struct migrationStruct,
         function postProcessHook = variables.noop,
-        function preProcessHook = variables.noop
+        function preProcessHook = variables.noop,
+        boolean pretend = false
     ) {
         install();
 

models/QBMigrationManager.cfc

@@ -121,7 +121,8 @@ component accessors="true" {
         required string direction,
         required struct migrationStruct,
         function postProcessHook = variables.noop,
-        function preProcessHook = variables.noop
+        function preProcessHook = variables.noop,
+        boolean pretend = false
     ) {
         install();
 
@@ -140,21 +141,28 @@ component accessors="true" {
         var schema = wirebox
             .getInstance( "SchemaBuilder@qb" )
             .setGrammar( wirebox.getInstance( defaultGrammar ) )
-            .setDefaultOptions( { datasource: getDatasource() } );
+            .setDefaultOptions( { datasource: getDatasource() } )
 
         var query = wirebox
             .getInstance( "QueryBuilder@qb" )
             .setGrammar( wirebox.getInstance( defaultGrammar ) )
-            .setDefaultOptions( { datasource: getDatasource() } );
+            .setDefaultOptions( { datasource: getDatasource() } )
+
+        if ( arguments.pretend ) {
+            schema.pretend();
+            query.pretend();
+        }
 
         preProcessHook( migrationStruct );
 
         $transactioned( function() {
             invoke( migration, direction, [ schema, query ] );
-            logMigration( direction, migrationStruct.componentName );
+            if ( !pretend ) {
+                logMigration( direction, migrationStruct.componentName );
+            }
         } );
 
-        postProcessHook( migrationStruct );
+        postProcessHook( migrationStruct, schema, query );
     }
 
     /**