Create tests

tests/db/export.test.ts

@@ -0,0 +1,24 @@
+import { execSync } from 'child_process'
+import * as fs from 'fs-extra'
+
+beforeEach(() => {
+  fs.emptyDirSync('tests/__data__/output')
+})
+
+it('can export data as json', () => {
+  execSync(
+    'DATA_DIR=tests/__data__/input/data API_DIR=tests/__data__/output/api npm run db:export',
+    {
+      encoding: 'utf8'
+    }
+  )
+
+  expect(content('output/api/blocklist.json')).toEqual(content('expected/api/blocklist.json'))
+  expect(content('output/api/channels.json')).toEqual(content('expected/api/channels.json'))
+})
+
+function content(filepath: string) {
+  return fs.readFileSync(`tests/__data__/${filepath}`, {
+    encoding: 'utf8'
+  })
+}

tests/db/update.test.ts

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+import { execSync } from 'child_process'
+import * as fs from 'fs-extra'
+
+beforeEach(() => {
+  fs.emptyDirSync('tests/__data__/output')
+  fs.copySync('tests/__data__/input/data', 'tests/__data__/output/data')
+})
+
+it('can update db with data from issues', () => {
+  const stdout = execSync('DATA_DIR=tests/__data__/output/data npm run db:update --silent', {
+    encoding: 'utf8'
+  })
+
+  expect(content('output/data/blocklist.csv')).toEqual(content('expected/data/blocklist.csv'))
+  expect(content('output/data/channels.csv')).toEqual(content('expected/data/channels.csv'))
+  expect(stdout).toEqual(
+    'OUTPUT=closes #5871, closes #5901, closes #5701, closes #5900, closes #5899, closes #5898, closes #5897, closes #5891'
+  )
+})
+
+function content(filepath: string) {
+  return fs.readFileSync(`tests/__data__/${filepath}`, {
+    encoding: 'utf8'
+  })
+}

tests/db/validate.test.ts

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+import { execSync } from 'child_process'
+
+type ExecError = {
+  status: number
+  stdout: string
+}
+
+describe('db:validate', () => {
+  it('shows an error if there is an empty line at the end of the file', () => {
+    try {
+      execSync('DATA_DIR=tests/__data__/input/validate/empty_line npm run db:validate', {
+        encoding: 'utf8'
+      })
+      process.exit(1)
+    } catch (error) {
+      expect((error as ExecError).status).toBe(1)
+      expect((error as ExecError).stdout).toContain(
+        'Error: empty lines at the end of file not allowed (channels.csv)'
+      )
+    }
+  })
+
+  it('shows an error if the number of columns in a row is incorrect', () => {
+    try {
+      execSync('DATA_DIR=tests/__data__/input/validate/wrong_num_cols npm run db:validate', {
+        encoding: 'utf8'
+      })
+      process.exit(1)
+    } catch (error) {
+      expect((error as ExecError).status).toBe(1)
+      expect((error as ExecError).stdout).toContain(
+        'Error: row 2 has the wrong number of columns (categories.csv)'
+      )
+    }
+  })
+
+  it('shows an error if one of the lines ends with an invalid character', () => {
+    try {
+      execSync('DATA_DIR=tests/__data__/input/validate/invalid_line_ending npm run db:validate', {
+        encoding: 'utf8'
+      })
+      process.exit(1)
+    } catch (error) {
+      expect((error as ExecError).status).toBe(1)
+      expect((error as ExecError).stdout).toContain(
+        'Error: row 1 has the wrong line ending character, should be CRLF (categories.csv)'
+      )
+    }
+  })
+
+  it('shows an error if there are duplicates in the file', () => {
+    try {
+      execSync('DATA_DIR=tests/__data__/input/validate/duplicate npm run db:validate', {
+        encoding: 'utf8'
+      })
+      process.exit(1)
+    } catch (error) {
+      expect((error as ExecError).status).toBe(1)
+      expect((error as ExecError).stdout).toContain('entry with the id "aaa" already exists')
+    }
+  })
+
+  it('shows an error if an invalid value is specified', () => {
+    try {
+      execSync('DATA_DIR=tests/__data__/input/validate/invalid_value npm run db:validate', {
+        encoding: 'utf8'
+      })
+      process.exit(1)
+    } catch (error) {
+      expect((error as ExecError).status).toBe(1)
+      expect((error as ExecError).stdout).toContain('"aaa.us" is missing in the channels.csv')
+      expect((error as ExecError).stdout).toContain('1 error(s)')
+    }
+  })
+})