Add mutation to updateContribution.

backend/src/graphql/resolver/ContributionResolver.test.ts

@@ -2,7 +2,7 @@
 /* eslint-disable @typescript-eslint/explicit-module-boundary-types */
 
 import { bibiBloxberg } from '@/seeds/users/bibi-bloxberg'
-import { createContribution } from '@/seeds/graphql/mutations'
+import { createContribution, updateContribution } from '@/seeds/graphql/mutations'
 import { listContributions, login } from '@/seeds/graphql/queries'
 import { cleanDB, resetToken, testEnvironment } from '@test/helpers'
 import { GraphQLError } from 'graphql'
@@ -212,4 +212,26 @@ describe('ContributionResolver', () => {
       })
     })
   })
+
+  describe('updateContribution', () => {
+    describe('unauthenticated', () => {
+      it('returns an error', async () => {
+        await expect(
+          mutate({
+            mutation: updateContribution,
+            variables: {
+              contributionId: 1,
+              amount: 100.0,
+              memo: 'Test Contribution',
+              creationDate: 'not-valid',
+            },
+          }),
+        ).resolves.toEqual(
+          expect.objectContaining({
+            errors: [new GraphQLError('401 Unauthorized')],
+          }),
+        )
+      })
+    })
+  })
 })

backend/src/seeds/graphql/mutations.ts

@@ -239,3 +239,17 @@ export const createContribution = gql`
     }
   }
 `
+
+export const updateContribution = gql`
+  mutation ($contributionId: Int!, $amount: Decimal!, $memo: String!, $creationDate: String!) {
+    updateContribution(
+      contributionId: $contributionId
+      amount: $amount
+      memo: $memo
+      creationDate: $creationDate
+    ) {
+      amount
+      memo
+    }
+  }
+`