Struct TempProjectBuilder 

pub struct TempProjectBuilder { /* private fields */ }

Builder for TempProject.

Example

use dev_fixtures::TempProject;

let _ = TempProject::new()
    .with_file("a.txt", "hello")
    .with_bytes("b.bin", vec![1, 2, 3])
    .build()
    .unwrap();

Implementations

impl TempProjectBuilder

pub fn with_file( self, relative_path: impl Into<PathBuf>, contents: impl Into<String>, ) -> Self

Stage a UTF-8 text file at relative_path inside the temp project.

Examples found in repository

examples/temp_project.rs (lines 18-21)

fn main() {
    let project = TempProject::new()
        .with_file(
            "Cargo.toml",
            "[package]\nname = \"sample\"\nversion = \"0.1.0\"\n",
        )
        .with_file("src/lib.rs", "pub fn answer() -> u32 { 42 }\n")
        .with_file(
            "README.md",
            "# sample\n\nGenerated by the dev-fixtures example.\n",
        )
        .with_bytes("assets/payload.bin", vec![0u8, 1, 2, 3, 4, 5])
        .build()
        .expect("build temp project");

    println!("temp project root: {}", project.path().display());
    for (rel, bytes) in project.declared_files() {
        let absolute = project.path().join(rel);
        let read_ok = fs::metadata(&absolute).is_ok();
        println!(
            "  {:>4} bytes — declared {:?} — exists on disk: {}",
            bytes.len(),
            rel,
            read_ok
        );
    }

    let kept_root = project.path().to_path_buf();
    drop(project);
    println!(
        "after drop: {} still on disk? {}",
        kept_root.display(),
        kept_root.exists()
    );
}

pub fn with_bytes( self, relative_path: impl Into<PathBuf>, contents: impl Into<Vec<u8>>, ) -> Self

Stage a binary file at relative_path inside the temp project.

Examples found in repository

examples/temp_project.rs (line 27)

fn main() {
    let project = TempProject::new()
        .with_file(
            "Cargo.toml",
            "[package]\nname = \"sample\"\nversion = \"0.1.0\"\n",
        )
        .with_file("src/lib.rs", "pub fn answer() -> u32 { 42 }\n")
        .with_file(
            "README.md",
            "# sample\n\nGenerated by the dev-fixtures example.\n",
        )
        .with_bytes("assets/payload.bin", vec![0u8, 1, 2, 3, 4, 5])
        .build()
        .expect("build temp project");

    println!("temp project root: {}", project.path().display());
    for (rel, bytes) in project.declared_files() {
        let absolute = project.path().join(rel);
        let read_ok = fs::metadata(&absolute).is_ok();
        println!(
            "  {:>4} bytes — declared {:?} — exists on disk: {}",
            bytes.len(),
            rel,
            read_ok
        );
    }

    let kept_root = project.path().to_path_buf();
    drop(project);
    println!(
        "after drop: {} still on disk? {}",
        kept_root.display(),
        kept_root.exists()
    );
}

pub fn build(self) -> Result<TempProject>

Build the temp project on disk.

Examples found in repository

examples/temp_project.rs (line 28)

fn main() {
    let project = TempProject::new()
        .with_file(
            "Cargo.toml",
            "[package]\nname = \"sample\"\nversion = \"0.1.0\"\n",
        )
        .with_file("src/lib.rs", "pub fn answer() -> u32 { 42 }\n")
        .with_file(
            "README.md",
            "# sample\n\nGenerated by the dev-fixtures example.\n",
        )
        .with_bytes("assets/payload.bin", vec![0u8, 1, 2, 3, 4, 5])
        .build()
        .expect("build temp project");

    println!("temp project root: {}", project.path().display());
    for (rel, bytes) in project.declared_files() {
        let absolute = project.path().join(rel);
        let read_ok = fs::metadata(&absolute).is_ok();
        println!(
            "  {:>4} bytes — declared {:?} — exists on disk: {}",
            bytes.len(),
            rel,
            read_ok
        );
    }

    let kept_root = project.path().to_path_buf();
    drop(project);
    println!(
        "after drop: {} still on disk? {}",
        kept_root.display(),
        kept_root.exists()
    );
}

Trait Implementations

impl Default for TempProjectBuilder

fn default() -> TempProjectBuilder

Returns the “default value” for a type.