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[Merged by Bors] - improve error messages for render graph runner #3930

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dataphract
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Objective

Currently, errors in the render graph runner are exposed via a Result::unwrap() panic message, which dumps the debug representation of the error.

Solution

This PR updates render_system to log the chain of errors, followed by an explicit panic:

ERROR bevy_render::renderer: Error running render graph:
ERROR bevy_render::renderer: > encountered an error when running a sub-graph
ERROR bevy_render::renderer: > tried to pass inputs to sub-graph "outline_graph", which has no input slots
thread 'main' panicked at 'Error running render graph: encountered an error when running a sub-graph', /[redacted]/bevy/crates/bevy_render/src/renderer/mod.rs:44:9

Some errors' Display impls (via thiserror) have also been updated to provide more detail about the cause of the error.

@github-actions github-actions bot added the S-Needs-Triage This issue needs to be labelled label Feb 13, 2022
@alice-i-cecile alice-i-cecile added A-Rendering Drawing game state to the screen C-Usability A simple quality-of-life change that makes Bevy easier to use and removed S-Needs-Triage This issue needs to be labelled labels Feb 13, 2022
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This is a good change. Just a consistency nit to clean up.

MissingSubGraph(Cow<'static, str>),
#[error("passed in inputs, but this sub-graph doesn't have any")]
#[error("attempted to pass inputs to sub-graph \"{0}\", which has no input slots")]
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These are sometimes `, sometimes " and sometimes nothing at all. I would prefer ` everywhere, but would like consistency regardless.

@mockersf mockersf added the S-Ready-For-Final-Review This PR has been approved by the community. It's ready for a maintainer to consider merging it label Feb 14, 2022
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mockersf commented Mar 5, 2022

@dataphract could you update this on current main?

@dataphract dataphract force-pushed the fix/missing-subgraph-input-diagnostic branch from bb40f71 to a661a5a Compare March 7, 2022 02:33
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mockersf commented Mar 7, 2022

bors r+

bors bot pushed a commit that referenced this pull request Mar 7, 2022
# Objective

Currently, errors in the render graph runner are exposed via a `Result::unwrap()` panic message, which dumps the debug representation of the error.

## Solution

This PR updates `render_system` to log the chain of errors, followed by an explicit panic:

```
ERROR bevy_render::renderer: Error running render graph:
ERROR bevy_render::renderer: > encountered an error when running a sub-graph
ERROR bevy_render::renderer: > tried to pass inputs to sub-graph "outline_graph", which has no input slots
thread 'main' panicked at 'Error running render graph: encountered an error when running a sub-graph', /[redacted]/bevy/crates/bevy_render/src/renderer/mod.rs:44:9
```

Some errors' `Display` impls (via `thiserror`) have also been updated to provide more detail about the cause of the error.
@bors bors bot changed the title improve error messages for render graph runner [Merged by Bors] - improve error messages for render graph runner Mar 7, 2022
@bors bors bot closed this Mar 7, 2022
aevyrie pushed a commit to aevyrie/bevy that referenced this pull request Jun 7, 2022
# Objective

Currently, errors in the render graph runner are exposed via a `Result::unwrap()` panic message, which dumps the debug representation of the error.

## Solution

This PR updates `render_system` to log the chain of errors, followed by an explicit panic:

```
ERROR bevy_render::renderer: Error running render graph:
ERROR bevy_render::renderer: > encountered an error when running a sub-graph
ERROR bevy_render::renderer: > tried to pass inputs to sub-graph "outline_graph", which has no input slots
thread 'main' panicked at 'Error running render graph: encountered an error when running a sub-graph', /[redacted]/bevy/crates/bevy_render/src/renderer/mod.rs:44:9
```

Some errors' `Display` impls (via `thiserror`) have also been updated to provide more detail about the cause of the error.
ItsDoot pushed a commit to ItsDoot/bevy that referenced this pull request Feb 1, 2023
# Objective

Currently, errors in the render graph runner are exposed via a `Result::unwrap()` panic message, which dumps the debug representation of the error.

## Solution

This PR updates `render_system` to log the chain of errors, followed by an explicit panic:

```
ERROR bevy_render::renderer: Error running render graph:
ERROR bevy_render::renderer: > encountered an error when running a sub-graph
ERROR bevy_render::renderer: > tried to pass inputs to sub-graph "outline_graph", which has no input slots
thread 'main' panicked at 'Error running render graph: encountered an error when running a sub-graph', /[redacted]/bevy/crates/bevy_render/src/renderer/mod.rs:44:9
```

Some errors' `Display` impls (via `thiserror`) have also been updated to provide more detail about the cause of the error.
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A-Rendering Drawing game state to the screen C-Usability A simple quality-of-life change that makes Bevy easier to use S-Ready-For-Final-Review This PR has been approved by the community. It's ready for a maintainer to consider merging it
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3 participants