Forward relations (#54)

Support filtering on forward relations

Author: mattbretl

__tests__/fixtures/queries/connections-filter.relations.graphql

@@ -0,0 +1,11 @@
+query {
+  parent_name_equalTo_parent2: allFilterables(filter: {parentByParentId: {name: {equalTo: "parent2"}}}) { ...filterableConnection }
+  forward_name_equalTo_forward2: allFilterables(filter: {forwardByForwardId: {name: {equalTo: "forward2"}}}) { ...filterableConnection }
+}
+
+fragment filterableConnection on FilterablesConnection {
+  nodes {
+    id
+    string
+  }
+}

__tests__/integration/__snapshots__/queries.test.js.snap

@@ -1856,6 +1856,33 @@ Object {
 }
 `;
 
+exports[`connections-filter.relations.graphql 1`] = `
+Object {
+  "data": Object {
+    "forward_name_equalTo_forward2": Object {
+      "nodes": Array [
+        Object {
+          "id": 2,
+          "string": "Test",
+        },
+      ],
+    },
+    "parent_name_equalTo_parent2": Object {
+      "nodes": Array [
+        Object {
+          "id": 3,
+          "string": "tEST",
+        },
+        Object {
+          "id": 4,
+          "string": "test",
+        },
+      ],
+    },
+  },
+}
+`;
+
 exports[`connections-filter.simple-collections.graphql 1`] = `
 Object {
   "data": Object {

__tests__/integration/queries.test.js

@@ -27,14 +27,25 @@ beforeAll(() => {
     // Different fixtures need different schemas with different configurations.
     // Make all of the different schemas with different configurations that we
     // need and wait for them to be created in parallel.
-    const [normal, dynamicJson, simpleCollections] = await Promise.all([
+    const [
+      normal,
+      dynamicJson,
+      relations,
+      simpleCollections,
+    ] = await Promise.all([
       createPostGraphileSchema(pgClient, ["p"], {
         appendPlugins: [require("../../index.js")],
       }),
       createPostGraphileSchema(pgClient, ["p"], {
         dynamicJson: true,
         appendPlugins: [require("../../index.js")],
       }),
+      createPostGraphileSchema(pgClient, ["p"], {
+        appendPlugins: [require("../../index.js")],
+        graphileBuildOptions: {
+          connectionFilterRelations: true,
+        },
+      }),
       createPostGraphileSchema(pgClient, ["p"], {
         simpleCollections: "only",
         appendPlugins: [require("../../index.js")],
@@ -44,6 +55,7 @@ beforeAll(() => {
     return {
       normal,
       dynamicJson,
+      relations,
       simpleCollections,
     };
   });
@@ -73,6 +85,7 @@ beforeAll(() => {
           // differently.
           const schemas = {
             "connections-filter.dynamic-json.graphql": gqlSchemas.dynamicJson,
+            "connections-filter.relations.graphql": gqlSchemas.relations,
             "connections-filter.simple-collections.graphql":
               gqlSchemas.simpleCollections,
           };