miscellaneous test coverage

generate/testdata/queries/SimpleMutation.graphql

@@ -0,0 +1,10 @@
+# SimpleMutation creates a user.
+#
+# It has a long doc-comment, to test that we handle that correctly.
+# What a long comment indeed.
+mutation SimpleMutation($name: String!) {
+  createUser(name: $name) {
+    id
+    name
+  }
+}

generate/testdata/queries/SimpleMutation.graphql.go

@@ -0,0 +1,46 @@
+package test
+
+// Code generated by github.com/Khan/genqlient, DO NOT EDIT.
+
+import (
+	"github.com/Khan/genqlient/graphql"
+)
+
+type SimpleMutationCreateUser struct {
+	Id   string `json:"id"`
+	Name string `json:"name"`
+}
+
+type SimpleMutationResponse struct {
+	CreateUser SimpleMutationCreateUser `json:"createUser"`
+}
+
+// SimpleMutation creates a user.
+//
+// It has a long doc-comment, to test that we handle that correctly.
+// What a long comment indeed.
+func SimpleMutation(
+	client graphql.Client,
+	name string,
+) (*SimpleMutationResponse, error) {
+	variables := map[string]interface{}{
+		"name": name,
+	}
+
+	var retval SimpleMutationResponse
+	err := client.MakeRequest(
+		nil,
+		"SimpleMutation",
+		`
+mutation SimpleMutation ($name: String!) {
+	createUser(name: $name) {
+		id
+		name
+	}
+}
+`,
+		&retval,
+		variables,
+	)
+	return &retval, err
+}

generate/testdata/queries/SimpleMutation.graphql.json

@@ -0,0 +1,9 @@
+{
+  "operations": [
+    {
+      "operationName": "SimpleMutation",
+      "query": "\nmutation SimpleMutation ($name: String!) {\n\tcreateUser(name: $name) {\n\t\tid\n\t\tname\n\t}\n}\n",
+      "sourceLocation": "testdata/queries/SimpleMutation.graphql"
+    }
+  ]
+}

generate/testdata/queries/schema.graphql

@@ -61,3 +61,7 @@ type Query {
   root: Topic!
   randomLeaf: LeafContent!
 }
+
+type Mutation {
+  createUser(name: String!, email: String): User 
+}