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Support cargo workspaces #14

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67 changes: 42 additions & 25 deletions test-generator/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -121,10 +121,11 @@ extern crate glob;
extern crate proc_macro;

use proc_macro::TokenStream;
use std::env;

use self::glob::{glob, Paths};
use quote::quote;
use std::path::PathBuf;
use std::path::{Path, PathBuf};
use syn::parse::{Parse, ParseStream, Result};
use syn::{parse_macro_input, Expr, ExprLit, Ident, Lit, Token, ItemFn};

Expand Down Expand Up @@ -193,19 +194,19 @@ impl Parse for MacroAttributes {
/// ├── build.rs
/// ├── Cargo.toml
/// ├── res
/// │   ├── set1
/// │   │   ├── expect.txt
/// │   │   └── input.txt
/// │   ├── set2
/// │   │   ├── expect.txt
/// │   │   └── input.txt
/// │   └── set3
/// │   ├── expect.txt
/// │   └── input.txt
/// │ ├── set1
/// │ │ ├── expect.txt
/// │ │ └── input.txt
/// │ ├── set2
/// │ │ ├── expect.txt
/// │ │ └── input.txt
/// │ └── set3
/// │ ├── expect.txt
/// │ └── input.txt
/// ├── src
/// │   └── main.rs
/// │ └── main.rs
/// ├── benches
/// │   └── mybenches.rs
/// │ └── mybenches.rs
/// └── tests
/// └── mytests.rs
/// ```
Expand All @@ -225,7 +226,7 @@ impl Parse for MacroAttributes {
pub fn test_resources(attrs: TokenStream, func: TokenStream) -> TokenStream {
let MacroAttributes { glob_pattern } = parse_macro_input!(attrs as MacroAttributes);

let pattern = match glob_pattern {
let unqualified_pattern = match glob_pattern {
Lit::Str(l) => l.value(),
Lit::Bool(l) => panic!(format!("expected string parameter, got '{}'", &l.value)),
Lit::Byte(l) => panic!(format!("expected string parameter, got '{}'", &l.value())),
Expand All @@ -243,13 +244,21 @@ pub fn test_resources(attrs: TokenStream, func: TokenStream) -> TokenStream {

let func_ident = func_ast.ident;

let manifest_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
let cargo_manifest_path = Path::new(&manifest_dir);
let pattern = cargo_manifest_path.join(Path::new(&unqualified_pattern));
let pattern = pattern.to_str().unwrap();

let paths: Paths = glob(&pattern).expect(&format!("No such file or directory {}", &pattern));

// for each path generate a test-function and fold them to single tokenstream
let result = paths
.map(|path| {
let path_as_str = path
.expect("No such file or directory")
.strip_prefix(cargo_manifest_path)
.unwrap()
.to_path_buf()
.into_os_string()
.into_string()
.expect("bad encoding");
Expand Down Expand Up @@ -315,19 +324,19 @@ pub fn test_resources(attrs: TokenStream, func: TokenStream) -> TokenStream {
/// ├── build.rs
/// ├── Cargo.toml
/// ├── res
/// │   ├── set1
/// │   │   ├── expect.txt
/// │   │   └── input.txt
/// │   ├── set2
/// │   │   ├── expect.txt
/// │   │   └── input.txt
/// │   └── set3
/// │   ├── expect.txt
/// │   └── input.txt
/// │ ├── set1
/// │ │ ├── expect.txt
/// │ │ └── input.txt
/// │ ├── set2
/// │ │ ├── expect.txt
/// │ │ └── input.txt
/// │ └── set3
/// │ ├── expect.txt
/// │ └── input.txt
/// ├── src
/// │   └── main.rs
/// │ └── main.rs
/// ├── benches
/// │   └── mybenches.rs
/// │ └── mybenches.rs
/// └── tests
/// └── mytests.rs
/// ```
Expand All @@ -345,7 +354,7 @@ pub fn test_resources(attrs: TokenStream, func: TokenStream) -> TokenStream {
pub fn bench_resources(attrs: TokenStream, func: TokenStream) -> TokenStream {
let MacroAttributes { glob_pattern } = parse_macro_input!(attrs as MacroAttributes);

let pattern = match glob_pattern {
let unqualified_pattern = match glob_pattern {
Lit::Str(l) => l.value(),
Lit::Bool(l) => panic!(format!("expected string parameter, got '{}'", &l.value)),
Lit::Byte(l) => panic!(format!("expected string parameter, got '{}'", &l.value())),
Expand All @@ -363,13 +372,21 @@ pub fn bench_resources(attrs: TokenStream, func: TokenStream) -> TokenStream {

let func_ident = func_ast.ident;

let manifest_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
let cargo_manifest_path = Path::new(&manifest_dir);
let pattern = cargo_manifest_path.join(Path::new(&unqualified_pattern));
let pattern = pattern.to_str().unwrap();

let paths: Paths = glob(&pattern).expect(&format!("No such file or directory {}", &pattern));

// for each path generate a test-function and fold them to single tokenstream
let result = paths
.map(|path| {
let path_as_str = path
.expect("No such file or directory")
.strip_prefix(cargo_manifest_path)
.unwrap()
.to_path_buf()
.into_os_string()
.into_string()
.expect("bad encoding");
Expand Down