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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| //! Tests that are run on every model, regardless of config. | ||
| pub(super) fn can_send<M: llm::KnownModel + 'static>(model: M) -> anyhow::Result<M> { | ||
| let model = std::thread::spawn(move || model) | ||
| .join() | ||
| .map_err(|e| anyhow::anyhow!("Failed to join thread: {e:?}")); | ||
|
|
||
| log::info!("`can_send` test passed!"); | ||
|
|
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| model | ||
| } | ||
|
|
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| pub(super) fn can_roundtrip_hyperparameters<M: llm::KnownModel + 'static>( | ||
| model: &M, | ||
| ) -> anyhow::Result<()> { | ||
| fn test_hyperparameters<M: llm::Hyperparameters>(hyperparameters: &M) -> anyhow::Result<()> { | ||
| let mut data = vec![]; | ||
| hyperparameters.write_ggml(&mut data)?; | ||
| let new_hyperparameters = | ||
| <M as llm::Hyperparameters>::read_ggml(&mut std::io::Cursor::new(data))?; | ||
|
|
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| assert_eq!(hyperparameters, &new_hyperparameters); | ||
|
|
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| log::info!("`can_roundtrip_hyperparameters` test passed!"); | ||
|
|
||
| Ok(()) | ||
| } | ||
|
|
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| test_hyperparameters(model.hyperparameters()) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| //! Tests the model's token manipulation APIs: | ||
| //! | ||
| //! * [llm::InferenceSession::feed_prompt()] | ||
| //! | ||
| //! See [crate::TestCase::Tokens]. | ||
| use std::convert::Infallible; | ||
|
|
||
| use llm::{InferenceFeedback, InferenceSession, Model, OutputRequest}; | ||
| use serde::Serialize; | ||
|
|
||
| use crate::{TestCaseReport, TestCaseReportMeta}; | ||
|
|
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| /// Tests that models can delete tokens without changing the model's behavior. | ||
| pub(crate) fn can_delete(model: &impl Model) -> TestCaseReport { | ||
| let report = DeleteReport::default(); | ||
| let mut session = model.start_session(Default::default()); | ||
| let mut output = OutputRequest { | ||
| all_logits: Some(vec![]), | ||
| ..Default::default() | ||
| }; | ||
|
|
||
| // Feed some tokens | ||
| if let Err(err) = feed_prompt("The llama lived on the", &mut session, model, &mut output) { | ||
| return report.failure(&err.to_string()); | ||
| } | ||
|
|
||
| // Add token and get the logits | ||
| if let Err(err) = feed_prompt(" ", &mut session, model, &mut output) { | ||
| return report.failure(&err.to_string()); | ||
| } | ||
| let Some(original_logits) = output.all_logits.clone() else { | ||
| return report.failure("Model did not return logits."); | ||
| }; | ||
|
|
||
| // Rewind, then re-add. Verify logits are the same. | ||
| if let Err(err) = session.rewind(model, 1) { | ||
| return report.failure(&err.to_string()); | ||
| } | ||
| if let Err(err) = feed_prompt(" ", &mut session, model, &mut output) { | ||
| return report.failure(&err.to_string()); | ||
| } | ||
| let Some(redone_logits) = output.all_logits.clone() else { | ||
| return report.failure("Second run of model did not return logits."); | ||
| }; | ||
|
|
||
| // Compare the logits | ||
| for (idx, (&original, redone)) in original_logits.iter().zip(redone_logits).enumerate() { | ||
| if original > redone + f32::EPSILON || original < redone - f32::EPSILON { | ||
| return report.failure(&format!( | ||
| "Expected logits to be the same after delete, but differed at {idx}, \ | ||
| expected {original}, but was {redone}." | ||
| )); | ||
| } | ||
| } | ||
|
|
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| log::info!("`can_delete` test passed!"); | ||
| report.success() | ||
| } | ||
|
|
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| fn feed_prompt( | ||
| prompt: &str, | ||
| session: &mut InferenceSession, | ||
| model: &impl Model, | ||
| output: &mut OutputRequest, | ||
| ) -> Result<(), llm::InferenceError> { | ||
| session.feed_prompt(model, &Default::default(), prompt, output, always_continue) | ||
| } | ||
|
|
||
| fn always_continue(_: &[u8]) -> Result<InferenceFeedback, Infallible> { | ||
| Ok(InferenceFeedback::Continue) | ||
| } | ||
|
|
||
| #[derive(Serialize, Default)] | ||
| pub struct DeleteReport { | ||
| output: usize, | ||
| } | ||
|
|
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| impl DeleteReport { | ||
| fn failure(self, msg: &str) -> TestCaseReport { | ||
| TestCaseReport { | ||
| meta: TestCaseReportMeta::Error { | ||
| error: msg.to_owned(), | ||
| }, | ||
| report: crate::TestCaseReportInner::Delete(self), | ||
| } | ||
| } | ||
|
|
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| fn success(self) -> TestCaseReport { | ||
| TestCaseReport { | ||
| meta: TestCaseReportMeta::Success, | ||
| report: crate::TestCaseReportInner::Delete(self), | ||
| } | ||
| } | ||
| } |
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