more test

acceptance/bundle/debug/out.stderr.txt

@@ -72,7 +72,7 @@
 10:07:59 Debug: Apply pid=12345 mutator=initialize mutator=seq mutator=metadata.AnnotatePipelines
 10:07:59 Debug: Apply pid=12345 mutator=initialize mutator=seq mutator=terraform.Initialize
 10:07:59 Debug: Using Terraform from DATABRICKS_TF_EXEC_PATH at [TERRAFORM] pid=12345 mutator=initialize mutator=seq mutator=terraform.Initialize
-10:07:59 Debug: Using Terraform CLI config from DATABRICKS_TF_CLI_CONFIG_FILE at [DATABRICKS_TF_CLI_CONFIG_FILE] pid=12345 mutator=initialize mutator=seq mutator=terraform.Initialize
+10:07:59 Debug: DATABRICKS_TF_PROVIDER_VERSION as 1.62.0 does not match the current version 1.65.1, ignoring DATABRICKS_TF_CLI_CONFIG_FILE pid=12345 mutator=initialize mutator=seq mutator=terraform.Initialize
 10:07:59 Debug: Environment variables for Terraform: ...redacted... pid=12345 mutator=initialize mutator=seq mutator=terraform.Initialize
 10:07:59 Debug: Apply pid=12345 mutator=initialize mutator=seq mutator=scripts.postinit
 10:07:59 Debug: No script defined for postinit, skipping pid=12345 mutator=initialize mutator=seq mutator=scripts.postinit

acceptance/daemon/child-detaches/script

@@ -4,3 +4,5 @@ $CLI selftest parent &> out.parentchild.txt
 
 echo "waiting for child process to finish"
 wait_pid $(cat ./child.pid)
+
+rm ./child.pid

acceptance/daemon/child-discards-output/output.txt

@@ -0,0 +1,9 @@
+Parent process has started
+Started  the child process
+Provided input: Hello from the other side
+Released the child process
+Parent process is exiting
+
+wait for child process to finish
+Process has ended
+the child process should not have written any output.

acceptance/daemon/child-discards-output/script

@@ -0,0 +1,9 @@
+$CLI selftest parent
+
+echo "
+wait for child process to finish"
+wait_pid $(cat ./child.pid)
+
+echo "the child process should not have written any output."
+
+rm ./child.pid

libs/daemon/daemon.go

@@ -1,7 +1,6 @@
 package daemon
 
 import (
-	"context"
 	"fmt"
 	"io"
 	"os"
@@ -12,11 +11,7 @@ import (
 const DatabricksCliParentPid = "DATABRICKS_CLI_PARENT_PID"
 
 type Daemon struct {
-	// TODO: remove this.
-	ctx context.Context
-
 	// If provided, the child process will create a pid file at this path.
-	// TODO: Can we remove this?
 	PidFilePath string
 
 	// Environment variables to set in the child process.
@@ -48,7 +43,6 @@ func (d *Daemon) Start() error {
 	d.cmd.SysProcAttr = sysProcAttr()
 
 	// By default redirect stdout and stderr to /dev/null.
-	// TODO: Test that by default stdout and stderr do not leak to the parent process.
 	d.cmd.Stdout = nil
 	d.cmd.Stderr = nil
 
@@ -101,7 +95,8 @@ func (d *Daemon) Release() error {
 		return nil
 	}
 
-	// This does not seem to be strictly necessary, but the docs recommend
-	// adding it if Wait is not called. Thus we add it here to be safe.
+	// The docs recommend calling Release if Wait is not called. This does not
+	// seem to be necessary since the functionality works without it. However, we
+	// we add it just to be safe.
 	return d.cmd.Process.Release()
 }

libs/process/wait_test.go

@@ -6,7 +6,6 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-// TODO: Test this in windows. Setup an IDE.
 func TestWait(t *testing.T) {
 	err := Wait(1000000)
 	assert.EqualError(t, err, "process with pid 1000000 does not exist")

libs/process/wait_windows.go

@@ -17,7 +17,7 @@ func waitForPid(pid int) error {
 		uint32(pid),
 	)
 	if errors.Is(err, windows.ERROR_INVALID_PARAMETER) {
-		return ErrProcessDoesNotExist{Pid: pid}
+		return ErrProcessNotFound{Pid: pid}
 	}
 	if err != nil {
 		return fmt.Errorf("OpenProcess failed: %v", err)