add test coverage

Author: itamar82

src/generator/generator/snapshots/libsql.snapshot.ts

@@ -12,7 +12,7 @@ export type Generated<T> = T extends ColumnType<infer S, infer I, infer U>
 export interface FooBar {
   false: number;
   id: Generated<number>;
-  overridden: "OVERRIDDEN";
+  overridden: "OVERRIDDEN" | null;
   true: number;
   userStatus: string | null;
 }

src/generator/generator/snapshots/mysql.snapshot.ts

@@ -12,7 +12,7 @@ export type Generated<T> = T extends ColumnType<infer S, infer I, infer U>
 export interface FooBar {
   false: number;
   id: Generated<number>;
-  overridden: "OVERRIDDEN";
+  overridden: "OVERRIDDEN" | null;
   true: number;
   userStatus: "CONFIRMED" | "UNCONFIRMED" | null;
 }

src/generator/generator/snapshots/postgres.snapshot.ts

@@ -61,11 +61,11 @@ export interface FooBar {
   interval1: Interval | null;
   interval2: Interval | null;
   json: Json | null;
-  jsonTyped: JSONColumnType<{ foo: "bar" }>;
+  jsonTyped: JSONColumnType<{ foo: "bar" }> | null;
   nullablePosInt: number | null;
   numeric1: Numeric | null;
   numeric2: Numeric | null;
-  overridden: "OVERRIDDEN";
+  overridden: "OVERRIDDEN" | null;
   testDomainIsBool: boolean | null;
   timestamps: ArrayType<Timestamp> | null;
   true: boolean;

src/generator/generator/snapshots/postgres2.snapshot.ts

@@ -67,11 +67,11 @@ export interface FooBar {
   interval1: Interval | null;
   interval2: Interval | null;
   json: Json | null;
-  jsonTyped: JSONColumnType<{ foo: "bar" }>;
+  jsonTyped: JSONColumnType<{ foo: "bar" }> | null;
   nullablePosInt: number | null;
   numeric1: Numeric | null;
   numeric2: Numeric | null;
-  overridden: "OVERRIDDEN";
+  overridden: "OVERRIDDEN" | null;
   testDomainIsBool: boolean | null;
   timestamps: ArrayType<Timestamp> | null;
   true: boolean;

src/generator/generator/snapshots/sqlite.snapshot.ts

@@ -12,7 +12,7 @@ export type Generated<T> = T extends ColumnType<infer S, infer I, infer U>
 export interface FooBar {
   false: number;
   id: Generated<number>;
-  overridden: "OVERRIDDEN";
+  overridden: "OVERRIDDEN" | null;
   true: number;
   userStatus: string | null;
 }

src/generator/transformer/transformer.ts

@@ -346,18 +346,20 @@ const transformColumn = ({
         : overrides?.[`${table.schema}.${path}`]
       : overrides?.[path];
 
-    if (override !== undefined) {
-        const args = [typeof override === 'string' ? new RawExpressionNode(override) : override];
-        if (column.isNullable) {
-            args.push(new IdentifierNode('null'));
-        }
+  if (override !== undefined) {
+    const args = [
+      typeof override === 'string' ? new RawExpressionNode(override) : override,
+    ];
+    if (column.isNullable) {
+      args.push(new IdentifierNode('null'));
+    }
 
-        const node = unionize(args);
+    const node = unionize(args);
 
-        collectSymbols(node, context);
+    collectSymbols(node, context);
 
-        return node;
-    }
+    return node;
+  }
 
   let args = transformColumnToArgs(column, context);