databricks-cli/libs/notebook/detect_jupyter_test.go

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package notebook
import (
"os"
"path/filepath"
"testing"
"github.com/databricks/databricks-sdk-go/service/workspace"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestDetectJupyter(t *testing.T) {
var nb bool
var lang workspace.Language
var err error
nb, lang, err = DetectJupyter("./testdata/py_ipynb.ipynb")
require.NoError(t, err)
assert.True(t, nb)
assert.Equal(t, workspace.LanguagePython, lang)
nb, lang, err = DetectJupyter("./testdata/r_ipynb.ipynb")
require.NoError(t, err)
assert.True(t, nb)
assert.Equal(t, workspace.LanguageR, lang)
nb, lang, err = DetectJupyter("./testdata/scala_ipynb.ipynb")
require.NoError(t, err)
assert.True(t, nb)
assert.Equal(t, workspace.LanguageScala, lang)
nb, lang, err = DetectJupyter("./testdata/sql_ipynb.ipynb")
require.NoError(t, err)
assert.True(t, nb)
assert.Equal(t, workspace.LanguageSql, lang)
}
func TestDetectJupyterInvalidJSON(t *testing.T) {
// Create garbage file.
dir := t.TempDir()
path := filepath.Join(dir, "file.ipynb")
buf := make([]byte, 128)
err := os.WriteFile(path, buf, 0644)
require.NoError(t, err)
// Garbage contents means not a notebook.
nb, _, err := DetectJupyter(path)
require.ErrorContains(t, err, "error loading Jupyter notebook file")
assert.False(t, nb)
}
func TestDetectJupyterNoCells(t *testing.T) {
// Create empty JSON file.
dir := t.TempDir()
path := filepath.Join(dir, "file.ipynb")
buf := []byte("{}")
err := os.WriteFile(path, buf, 0644)
require.NoError(t, err)
// Garbage contents means not a notebook.
nb, _, err := DetectJupyter(path)
require.ErrorContains(t, err, "invalid Jupyter notebook file")
assert.False(t, nb)
}
func TestDetectJupyterOldVersion(t *testing.T) {
// Create empty JSON file.
dir := t.TempDir()
path := filepath.Join(dir, "file.ipynb")
buf := []byte(`{ "cells": [], "metadata": {}, "nbformat": 3 }`)
err := os.WriteFile(path, buf, 0644)
require.NoError(t, err)
// Garbage contents means not a notebook.
nb, _, err := DetectJupyter(path)
require.ErrorContains(t, err, "unsupported Jupyter notebook version")
assert.False(t, nb)
}