subplotlib: Add some scenario running output to make it easier to work out what broke

Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>

1 files changed, 27 insertions, 1 deletions

diff --git a/subplotlib/src/scenario.rs b/subplotlib/src/scenario.rs
index b239883..c0f3e87 100644
--- a/subplotlib/src/scenario.rs
+++ b/subplotlib/src/scenario.rs
@@ -284,6 +284,7 @@ impl Scenario {
         // Firstly, we start all the contexts
         let mut ret = Ok(());
         let mut highest_start = None;
+        println!("Scenario Start: {}", self.contexts.title());
         for (i, hook) in self.contexts.hooks.borrow().iter().enumerate() {
             let res = hook.scenario_starts(&self.contexts);
             if res.is_err() {
@@ -292,10 +293,14 @@ impl Scenario {
             }
             highest_start = Some(i);
         }
-
+        println!(
+            "*** Context hooks returned {}",
+            if ret.is_ok() { "OK" } else { "Failure" }
+        );
         if ret.is_ok() {
             let mut highest = None;
             for (i, step) in self.steps.iter().map(|(step, _)| step).enumerate() {
+                println!("   !!! Step {}", step.name());
                 let mut highest_prep = None;
                 for (i, prep) in self.contexts.hooks.borrow().iter().enumerate() {
                     let res = prep.step_starts(&self.contexts, step.name());
@@ -305,8 +310,17 @@ impl Scenario {
                     }
                     highest_prep = Some(i);
                 }
+                println!(
+                    "   *** Context hooks returned {}",
+                    if ret.is_ok() { "OK" } else { "Failure" }
+                );
                 if ret.is_ok() {
+                    println!("   >>> Run step function");
                     let res = step.call(&self.contexts, false);
+                    println!(
+                        "       Step returned {}",
+                        if res.is_ok() { "OK" } else { "Failure" }
+                    );
                     if res.is_err() {
                         ret = res;
                         break;
@@ -314,6 +328,7 @@ impl Scenario {
                     highest = Some(i);
                 }
                 if let Some(n) = highest_prep {
+                    println!("   *** Unwinding step contexts");
                     for hookn in (0..=n).rev() {
                         let res = self.contexts.hooks.borrow()[hookn].step_stops(&self.contexts);
                         ret = ret.and(res)
@@ -321,9 +336,15 @@ impl Scenario {
                 }
             }
             if let Some(n) = highest {
+                println!("   *** Running cleanup functions");
                 for stepn in (0..=n).rev() {
                     if let (_, Some(cleanup)) = &self.steps[stepn] {
+                        println!("    >>> Cleanup {}", cleanup.name());
                         let res = cleanup.call(&self.contexts, true);
+                        println!(
+                            "        Cleanup returned {}",
+                            if res.is_ok() { "OK" } else { "Failure" }
+                        );
                         ret = ret.and(res);
                     }
                 }
@@ -331,11 +352,16 @@ impl Scenario {
         }
 
         if let Some(n) = highest_start {
+            println!("*** Running scenario closedown");
             for hookn in (0..=n).rev() {
                 let res = self.contexts.hooks.borrow()[hookn].scenario_stops(&self.contexts);
                 ret = ret.and(res);
             }
         }
+        println!(
+            "<<< Scenario returns {}",
+            if ret.is_ok() { "OK" } else { "Failure" }
+        );
         ret
     }
 }