databricks-cli/libs/notebook/detect_test.go

100 lines
2.4 KiB
Go

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 TestDetectSource(t *testing.T) {
var nb bool
var lang workspace.Language
var err error
nb, lang, err = Detect("./testdata/py_source.py")
require.NoError(t, err)
assert.True(t, nb)
assert.Equal(t, workspace.LanguagePython, lang)
nb, lang, err = Detect("./testdata/r_source.r")
require.NoError(t, err)
assert.True(t, nb)
assert.Equal(t, workspace.LanguageR, lang)
nb, lang, err = Detect("./testdata/scala_source.scala")
require.NoError(t, err)
assert.True(t, nb)
assert.Equal(t, workspace.LanguageScala, lang)
nb, lang, err = Detect("./testdata/sql_source.sql")
require.NoError(t, err)
assert.True(t, nb)
assert.Equal(t, workspace.LanguageSql, lang)
nb, lang, err = Detect("./testdata/txt.txt")
require.NoError(t, err)
assert.False(t, nb)
assert.Equal(t, workspace.Language(""), lang)
}
func TestDetectCallsDetectJupyter(t *testing.T) {
nb, lang, err := Detect("./testdata/py_ipynb.ipynb")
require.NoError(t, err)
assert.True(t, nb)
assert.Equal(t, workspace.LanguagePython, lang)
}
func TestDetectUnknownExtension(t *testing.T) {
_, _, err := Detect("./testdata/doesntexist.foobar")
assert.True(t, os.IsNotExist(err))
nb, _, err := Detect("./testdata/unknown_extension.foobar")
require.NoError(t, err)
assert.False(t, nb)
}
func TestDetectNoExtension(t *testing.T) {
_, _, err := Detect("./testdata/doesntexist")
assert.True(t, os.IsNotExist(err))
nb, _, err := Detect("./testdata/no_extension")
require.NoError(t, err)
assert.False(t, nb)
}
func TestDetectFileDoesNotExists(t *testing.T) {
_, _, err := Detect("./testdata/doesntexist.py")
require.Error(t, err)
}
func TestDetectEmptyFile(t *testing.T) {
// Create empty file.
dir := t.TempDir()
path := filepath.Join(dir, "file.py")
err := os.WriteFile(path, nil, 0644)
require.NoError(t, err)
// No contents means not a notebook.
nb, _, err := Detect(path)
require.NoError(t, err)
assert.False(t, nb)
}
func TestDetectFileWithLongHeader(t *testing.T) {
// Create 128kb garbage file.
dir := t.TempDir()
path := filepath.Join(dir, "file.py")
buf := make([]byte, 128*1024)
err := os.WriteFile(path, buf, 0644)
require.NoError(t, err)
// Garbage contents means not a notebook.
nb, _, err := Detect(path)
require.NoError(t, err)
assert.False(t, nb)
}