add tests for inferring File from string paths

packages/gatsby/src/schema/__tests__/infer-graphql-type-test.js

@@ -4,6 +4,9 @@ const {
  GraphQLList,
  GraphQLSchema,
 } = require(`graphql`)
+const path = require(`path`)
+const normalizePath = require(`normalize-path`)
+
 const { inferObjectStructureFromNodes } = require(`../infer-graphql-type`)
 
 function queryResult(nodes, fragment, { types = [] } = {}) {
@@ -39,7 +42,9 @@ function queryResult(nodes, fragment, { types = [] } = {}) {
  ${fragment}
  }
  }
- `
+ `,
+ null,
+ { path: `/` }
  )
 }
 
@@ -207,7 +212,94 @@ describe(`GraphQL type inferance`, () => {
  })
 
  xdescribe(`Linked inference from config mappings`)
- xdescribe(`Linked inference from file URIs`)
+
+ describe(`Linked inference from file URIs`, () => {
+ let store, types, dir
+
+ beforeEach(() => {
+ ;({ store } = require(`../../redux`))
+ types = [
+ {
+ name: `File`,
+ nodeObjectType: new GraphQLObjectType({
+ name: `File`,
+ fields: inferObjectStructureFromNodes({
+ nodes: [{ id: `file_1`, absolutePath: `path`, dir: `path` }],
+ types: [{ name: `File` }],
+ }),
+ }),
+ },
+ ]
+
+ dir = normalizePath(path.resolve(`/path/`))
+
+ store.dispatch({
+ type: `CREATE_NODE`,
+ payload: {
+ id: `parent`,
+ internal: { type: `File` },
+ absolutePath: normalizePath(path.resolve(dir, `index.md`)),
+ dir: dir,
+ },
+ })
+ store.dispatch({
+ type: `CREATE_NODE`,
+ payload: {
+ id: `file_1`,
+ internal: { type: `File` },
+ absolutePath: normalizePath(path.resolve(dir, `file_1.jpg`)),
+ dir,
+ },
+ })
+ store.dispatch({
+ type: `CREATE_NODE`,
+ payload: {
+ id: `file_2`,
+ internal: { type: `File` },
+ absolutePath: normalizePath(path.resolve(dir, `file_2.txt`)),
+ dir,
+ },
+ })
+ })
+
+ it(`Links to file node`, async () => {
+ let result = await queryResult(
+ [{ file: `./file_1.jpg`, parent: `parent` }],
+ `
+ file {
+ absolutePath
+ }
+ `,
+ { types }
+ )
+
+ expect(result.errors).not.toBeDefined()
+ expect(result.data.listNode[0].file.absolutePath).toEqual(
+ normalizePath(path.resolve(dir, `file_1.jpg`))
+ )
+ })
+
+ it(`Links to array of file nodes`, async () => {
+ let result = await queryResult(
+ [{ files: [`./file_1.jpg`, `./file_2.txt`], parent: `parent` }],
+ `
+ files {
+ absolutePath
+ }
+ `,
+ { types }
+ )
+
+ expect(result.errors).not.toBeDefined()
+ expect(result.data.listNode[0].files.length).toEqual(2)
+ expect(result.data.listNode[0].files[0].absolutePath).toEqual(
+ normalizePath(path.resolve(dir, `file_1.jpg`))
+ )
+ expect(result.data.listNode[0].files[1].absolutePath).toEqual(
+ normalizePath(path.resolve(dir, `file_2.txt`))
+ )
+ })
+ })
 
  describe(`Linked inference by __NODE convention`, () => {
  let store, types