chore(Table): has test for warning

ISSUES CLOSED: #1392

terminus-ui/table/src/table.component.spec.ts

@@ -235,6 +235,40 @@ class TableColumnAlignmentTableApp {
 }
 
 
+@Component({
+  template: `
+    <ts-table [dataSource]="dataSource" tsSort>
+      <ng-container tsColumnDef="column_a" alignment="top">
+        <ts-header-cell *tsHeaderCellDef>Column A</ts-header-cell>
+        <ts-cell *tsCellDef="let row">{{ row.a }}</ts-cell>
+      </ng-container>
+
+      <ts-header-row *tsHeaderRowDef="columnsToRender"></ts-header-row>
+      <ts-row *tsRowDef="let row; columns: columnsToRender"></ts-row>
+    </ts-table>
+  `,
+})
+class TableColumnInvalidAlignmentTableApp {
+  underlyingDataSource = new FakeDataSource();
+  dataSource = new TsTableDataSource<TestData>();
+  columnsToRender = ['column_a'];
+
+  @ViewChild(TsTableComponent) table!: TsTableComponent<TestData>;
+
+  constructor() {
+    this.underlyingDataSource.data = [];
+
+    // Add a row of data
+    this.underlyingDataSource.addData();
+
+    this.underlyingDataSource.connect().subscribe((data) => {
+      this.dataSource.data = data;
+    });
+  }
+
+}
+
+
 
 
 // Utilities copied from CDKTable's spec
@@ -449,7 +483,18 @@ describe(`TsTableComponent`, function() {
 
       expect(style).toBeUndefined();
     });
+  });
 
+  describe(`invalid alignment argument`, () => {
+    test(`should throw warning`, () => {
+      window.console.warn = jest.fn();
+      let fixture: ComponentFixture<TableColumnInvalidAlignmentTableApp>;
+
+      fixture = createComponent(TableColumnInvalidAlignmentTableApp);
+      fixture.detectChanges();
+
+      expect(window.console.warn).toHaveBeenCalled();
+    });
   });
 
 });