forked from rojo-rbx/rojo
70 lines
1.9 KiB
Rust
70 lines
1.9 KiB
Rust
use std::{path::Path, str};
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use anyhow::Context;
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use maplit::hashmap;
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use memofs::{IoResultExt, Vfs};
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use crate::snapshot::{InstanceContext, InstanceMetadata, InstanceSnapshot};
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use super::{meta_file::AdjacentMetadata, util::PathExt};
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pub fn snapshot_txt(
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context: &InstanceContext,
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vfs: &Vfs,
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path: &Path,
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) -> anyhow::Result<Option<InstanceSnapshot>> {
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let name = path.file_name_trim_end(".txt")?;
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let contents = vfs.read(path)?;
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let contents_str = str::from_utf8(&contents)
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.with_context(|| format!("File was not valid UTF-8: {}", path.display()))?
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.to_owned();
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let properties = hashmap! {
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"Value".to_owned() => contents_str.into(),
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};
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let meta_path = path.with_file_name(format!("{}.meta.json", name));
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let mut snapshot = InstanceSnapshot::new()
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.name(name)
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.class_name("StringValue")
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.properties(properties)
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.metadata(
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InstanceMetadata::new()
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.instigating_source(path)
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.relevant_paths(vec![path.to_path_buf(), meta_path.clone()])
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.context(context),
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);
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if let Some(meta_contents) = vfs.read(&meta_path).with_not_found()? {
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let mut metadata = AdjacentMetadata::from_slice(&meta_contents, meta_path)?;
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metadata.apply_all(&mut snapshot)?;
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}
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Ok(Some(snapshot))
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}
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#[cfg(test)]
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mod test {
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use super::*;
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use memofs::{InMemoryFs, VfsSnapshot};
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#[test]
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fn instance_from_vfs() {
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let mut imfs = InMemoryFs::new();
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imfs.load_snapshot("/foo.txt", VfsSnapshot::file("Hello there!"))
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.unwrap();
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let mut vfs = Vfs::new(imfs.clone());
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let instance_snapshot =
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snapshot_txt(&InstanceContext::default(), &mut vfs, Path::new("/foo.txt"))
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.unwrap()
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.unwrap();
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insta::assert_yaml_snapshot!(instance_snapshot);
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}
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}
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