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feat(operation-ids): choose between inline, attach and skip fragments
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98 changes: 98 additions & 0 deletions
98
packages/npm/@amazeelabs/codegen-operation-ids/src/scan.test.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| import { | ||
| DefinitionNode, | ||
| FragmentDefinitionNode, | ||
| Kind, | ||
| OperationDefinitionNode, | ||
| parse, | ||
| print, | ||
| } from 'graphql'; | ||
| import { describe, expect, it } from 'vitest'; | ||
|
|
||
| import { scanFragments } from './scan'; | ||
|
|
||
| function isFragmentDefinitionNode( | ||
| def: DefinitionNode, | ||
| ): def is FragmentDefinitionNode { | ||
| return def.kind === Kind.FRAGMENT_DEFINITION; | ||
| } | ||
|
|
||
| function isOperationDefinitionNode( | ||
| def: DefinitionNode, | ||
| ): def is OperationDefinitionNode { | ||
| return def.kind === Kind.OPERATION_DEFINITION; | ||
| } | ||
|
|
||
| describe('scanFragments', () => { | ||
| it('detects a fragment on a query', () => { | ||
| const doc = parse(` | ||
| query { | ||
| ...A | ||
| } | ||
| fragment A on Query { | ||
| myprop | ||
| } | ||
| `); | ||
| const [query] = doc.definitions.filter(isOperationDefinitionNode); | ||
| const [A] = doc.definitions.filter(isFragmentDefinitionNode); | ||
| const fragments = scanFragments(query, new Map(Object.entries({ A }))); | ||
| expect(fragments).toEqual(['A']); | ||
| }); | ||
|
|
||
| it('detects a fragment on a field', () => { | ||
| const doc = parse(` | ||
| query { | ||
| a { | ||
| ...A | ||
| } | ||
| } | ||
| fragment A on A { | ||
| myprop | ||
| } | ||
| `); | ||
| const [query] = doc.definitions.filter(isOperationDefinitionNode); | ||
| const [A] = doc.definitions.filter(isFragmentDefinitionNode); | ||
| const fragments = scanFragments(query, new Map(Object.entries({ A }))); | ||
| expect(fragments).toEqual(['A']); | ||
| }); | ||
|
|
||
| it('detects nested fragments', () => { | ||
| const doc = parse(`query { | ||
| a { | ||
| propA | ||
| ...A | ||
| } | ||
| } | ||
| fragment A on A { | ||
| propA | ||
| propB { | ||
| ...B | ||
| } | ||
| } | ||
| fragment B on B { | ||
| propC | ||
| }`); | ||
| const [query] = doc.definitions.filter(isOperationDefinitionNode); | ||
| const [A, B] = doc.definitions.filter(isFragmentDefinitionNode); | ||
| const fragments = scanFragments(query, new Map(Object.entries({ A, B }))); | ||
| expect(fragments).toEqual(['A', 'B']); | ||
| }); | ||
| it('detects mixed fragments', () => { | ||
| const doc = parse(`query { | ||
| a { | ||
| propA | ||
| ... on A { | ||
| propB { | ||
| ...B | ||
| } | ||
| } | ||
| } | ||
| } | ||
| fragment B on B { | ||
| propC | ||
| }`); | ||
| const [query] = doc.definitions.filter(isOperationDefinitionNode); | ||
| const [B] = doc.definitions.filter(isFragmentDefinitionNode); | ||
| const fragments = scanFragments(query, new Map(Object.entries({ B }))); | ||
| expect(fragments).toEqual(['B']); | ||
| }); | ||
| }); |
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