Add metric warning (apache#3499)

* Adding warning text to metrics

* Adding javascript tests

* Fixing downgrade script for warning_text

* Adding merge migration

superset/assets/javascripts/components/MetricOption.jsx

@@ -27,6 +27,14 @@ export default function MetricOption({ metric }) {
         tooltip={metric.expression}
         label={`expr-${metric.metric_name}`}
       />
+      {metric.warning_text &&
+        <InfoTooltipWithTrigger
+          className="m-r-5 text-danger"
+          icon="warning"
+          tooltip={metric.warning_text}
+          label={`warn-${metric.metric_name}`}
+        />
+      }
     </div>);
 }
 MetricOption.propTypes = propTypes;

superset/assets/spec/javascripts/components/MetricOption_spec.jsx

@@ -13,6 +13,7 @@ describe('MetricOption', () => {
       verbose_name: 'Foo',
       expression: 'SUM(foo)',
       description: 'Foo is the greatest metric of all',
+      warning_text: 'Be careful when using foo',
     },
   };
 
@@ -31,17 +32,22 @@ describe('MetricOption', () => {
     expect(lbl).to.have.length(1);
     expect(lbl.first().text()).to.equal('Foo');
   });
-  it('shows 2 InfoTooltipWithTrigger', () => {
-    expect(wrapper.find(InfoTooltipWithTrigger)).to.have.length(2);
+  it('shows 3 InfoTooltipWithTrigger', () => {
+    expect(wrapper.find(InfoTooltipWithTrigger)).to.have.length(3);
   });
-  it('shows only 1 InfoTooltipWithTrigger when no descr', () => {
+  it('shows only 2 InfoTooltipWithTrigger when no descr', () => {
     props.metric.description = null;
     wrapper = shallow(factory(props));
-    expect(wrapper.find(InfoTooltipWithTrigger)).to.have.length(1);
+    expect(wrapper.find(InfoTooltipWithTrigger)).to.have.length(2);
   });
   it('shows a label with metric_name when no verbose_name', () => {
     props.metric.verbose_name = null;
     wrapper = shallow(factory(props));
     expect(wrapper.find('.option-label').first().text()).to.equal('foo');
   });
+  it('shows only 1 InfoTooltipWithTrigger when no descr and no warning', () => {
+    props.metric.warning_text = null;
+    wrapper = shallow(factory(props));
+    expect(wrapper.find(InfoTooltipWithTrigger)).to.have.length(1);
+  });
 });

superset/connectors/base/models.py

@@ -265,6 +265,7 @@ class BaseMetric(AuditMixinNullable, ImportMixin):
     description = Column(Text)
     is_restricted = Column(Boolean, default=False, nullable=True)
     d3format = Column(String(128))
+    warning_text = Column(Text)
 
     """
     The interface should also declare a datasource relationship pointing
@@ -289,5 +290,7 @@ def expression(self):
 
     @property
     def data(self):
-        attrs = ('metric_name', 'verbose_name', 'description', 'expression')
+        attrs = (
+            'metric_name', 'verbose_name', 'description', 'expression',
+            'warning_text')
         return {s: getattr(self, s) for s in attrs}

superset/connectors/druid/views.py

@@ -85,7 +85,7 @@ class DruidMetricInlineView(CompactCRUDMixin, SupersetModelView):  # noqa
     list_columns = ['metric_name', 'verbose_name', 'metric_type']
     edit_columns = [
         'metric_name', 'description', 'verbose_name', 'metric_type', 'json',
-        'datasource', 'd3format', 'is_restricted']
+        'datasource', 'd3format', 'is_restricted', 'warning_text']
     add_columns = edit_columns
     page_size = 500
     validators_columns = {
@@ -109,6 +109,7 @@ class DruidMetricInlineView(CompactCRUDMixin, SupersetModelView):  # noqa
         'metric_type': _("Type"),
         'json': _("JSON"),
         'datasource': _("Druid Datasource"),
+        'warning_text': _("Warning Message"),
     }
 
     def post_add(self, metric):

superset/connectors/sqla/views.py

@@ -108,7 +108,7 @@ class SqlMetricInlineView(CompactCRUDMixin, SupersetModelView):  # noqa
     list_columns = ['metric_name', 'verbose_name', 'metric_type']
     edit_columns = [
         'metric_name', 'description', 'verbose_name', 'metric_type',
-        'expression', 'table', 'd3format', 'is_restricted']
+        'expression', 'table', 'd3format', 'is_restricted', 'warning_text']
     description_columns = {
         'expression': utils.markdown(
             "a valid SQL expression as supported by the underlying backend. "
@@ -135,7 +135,8 @@ class SqlMetricInlineView(CompactCRUDMixin, SupersetModelView):  # noqa
         'expression': _("SQL Expression"),
         'table': _("Table"),
         'd3format': _("D3 Format"),
-        'is_restricted': _('Is Restricted')
+        'is_restricted': _('Is Restricted'),
+        'warning_text': _('Warning Message'),
     }
 
     def post_add(self, metric):
@@ -151,7 +152,7 @@ def post_update(self, metric):
 
 class TableModelView(DatasourceModelView, DeleteMixin):  # noqa
     datamodel = SQLAInterface(models.SqlaTable)
-        
+
     list_title = _('List Tables')
     show_title = _('Show Table')
     add_title = _('Add Table')

superset/migrations/versions/19a814813610_adding_metric_warning_text.py

@@ -0,0 +1,26 @@
+"""Adding metric warning_text
+
+Revision ID: 19a814813610
+Revises: ca69c70ec99b
+Create Date: 2017-09-15 15:09:40.495345
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '19a814813610'
+down_revision = 'ca69c70ec99b'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.add_column('metrics', sa.Column('warning_text', sa.Text(), nullable=True))
+    op.add_column('sql_metrics', sa.Column('warning_text', sa.Text(), nullable=True))
+
+
+def downgrade():
+    with op.batch_alter_table('sql_metrics') as batch_op_sql_metrics:
+        batch_op_sql_metrics.drop_column('warning_text')
+    with op.batch_alter_table('metrics') as batch_op_metrics:
+        batch_op_metrics.drop_column('warning_text')

superset/migrations/versions/472d2f73dfd4_.py

@@ -0,0 +1,22 @@
+"""empty message
+
+Revision ID: 472d2f73dfd4
+Revises: ('19a814813610', 'a9c47e2c1547')
+Create Date: 2017-09-21 18:37:30.844196
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '472d2f73dfd4'
+down_revision = ('19a814813610', 'a9c47e2c1547')
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    pass
+
+
+def downgrade():
+    pass