databricks-cli/python/runner_test.go

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package python
import (
"context"
"fmt"
"os"
"testing"
"github.com/stretchr/testify/assert"
)
func TestExecAndPassError(t *testing.T) {
_, err := execAndPassErr(context.Background(), "which", "__non_existing__")
assert.EqualError(t, err, "exit status 1")
}
func TestDetectPython(t *testing.T) {
pyExec = ""
py, err := detectExecutable(context.Background())
assert.NoError(t, err)
assert.Contains(t, py, "python3")
}
func TestDetectPythonCache(t *testing.T) {
pyExec = "abc"
py, err := detectExecutable(context.Background())
assert.NoError(t, err)
assert.Equal(t, "abc", py)
pyExec = ""
}
func TestDetectVirtualEnvFalse(t *testing.T) {
venvDir, err := detectVirtualEnv()
assert.NoError(t, err)
assert.Equal(t, "", venvDir)
}
func TestMakeDetectableVenv(t *testing.T) {
var temp string
defer testTempdir(t, &temp)()
// TODO: rewrite with t.TempDir() and arguments
err := createVirtualEnv(context.Background())
assert.NoError(t, err)
venv, err := detectVirtualEnv()
assert.NoError(t, err)
assert.Equal(t, fmt.Sprintf("%s/.venv", temp), venv)
}
func testTempdir(t *testing.T, dir *string) func() {
wd, _ := os.Getwd()
temp, err := os.MkdirTemp(os.TempDir(), "brickstest")
assert.NoError(t, err)
os.Chdir(temp)
wd2, _ := os.Getwd()
*dir = wd2
return func() {
os.Chdir(wd)
os.RemoveAll(temp)
}
}
func TestPyError(t *testing.T) {
_, err := Py(context.Background(), "__non_existing__.py")
assert.Contains(t, err.Error(), "can't open file")
}
func TestPyInline(t *testing.T) {
hello, err := PyInline(context.Background(), "print('Hello, world!')")
assert.NoError(t, err)
assert.Equal(t, "Hello, world!", hello)
}
func TestPyInlineStderr(t *testing.T) {
detectExecutable(context.Background())
inline := "import sys; sys.stderr.write('___msg___'); sys.exit(1)"
_, err := PyInline(context.Background(), inline)
assert.EqualError(t, err, "___msg___")
}