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{ lib, buildRustCrate, runCommand, writeTextFile, symlinkJoin, callPackage }:
let
mkCrate = args: let
p = {
crateName = "nixtestcrate";
version = "0.1.0";
authors = [ "Test <test@example.com>" ];
} // args;
in buildRustCrate p;
mkFile = destination: text: writeTextFile {
name = "src";
destination = "/${destination}";
inherit text;
};
mkBin = name: mkFile name ''
use std::env;
fn main() {
let name: String = env::args().nth(0).unwrap();
println!("executed {}", name);
}
'';
mkLib = name: mkFile name "pub fn test() -> i32 { return 23; }";
mkTest = crateArgs: let
crate = mkCrate crateArgs;
binaries = map (v: ''"${v.name}"'') (crateArgs.crateBin or []);
isLib = crateArgs ? libName || crateArgs ? libPath;
crateName = crateArgs.crateName or "nixtestcrate";
libName = crateArgs.libName or crateName;
libTestBinary = if !isLib then null else mkCrate {
crateName = "run-test-${crateName}";
dependencies = [ crate ];
src = mkFile "src/main.rs" ''
extern crate ${libName};
fn main() {
assert_eq!(${libName}::test(), 23);
}
'';
};
in runCommand "run-buildRustCrate-${crateName}-test" {
nativeBuildInputs = [ crate ];
} ''
${lib.concatStringsSep "\n" binaries}
${lib.optionalString isLib ''
test -e ${crate}/lib/*.rlib || exit 1
${libTestBinary}/bin/run-test-${crateName}
''}
touch $out
'';
in rec {
tests = let
cases = {
libPath = { libPath = "src/my_lib.rs"; src = mkLib "src/my_lib.rs"; };
srcLib = { src = mkLib "src/lib.rs"; };
customLibName = { libName = "test_lib"; src = mkLib "src/test_lib.rs"; };
customLibNameAndLibPath = { libName = "test_lib"; libPath = "src/best-lib.rs"; src = mkLib "src/best-lib.rs"; };
crateBinWithPath = { crateBin = [{ name = "test_binary1"; path = "src/foobar.rs"; }]; src = mkBin "src/foobar.rs"; };
crateBinNoPath1 = { crateBin = [{ name = "my-binary2"; }]; src = mkBin "src/my_binary2.rs"; };
crateBinNoPath2 = {
crateBin = [{ name = "my-binary3"; } { name = "my-binary4"; }];
src = symlinkJoin {
name = "buildRustCrateMultipleBinariesCase";
paths = [ (mkBin "src/bin/my_binary3.rs") (mkBin "src/bin/my_binary4.rs") ];
};
};
crateBinNoPath3 = { crateBin = [{ name = "my-binary5"; }]; src = mkBin "src/bin/main.rs"; };
crateBinNoPath4 = { crateBin = [{ name = "my-binary6"; }]; src = mkBin "src/main.rs";};
};
brotliCrates = (callPackage ./brotli-crates.nix {});
in lib.mapAttrs (key: value: mkTest (value // lib.optionalAttrs (!value?crateName) { crateName = key; })) cases // {
brotliTest = let
pkg = brotliCrates.brotli_2_5_0 {};
in runCommand "run-brotli-test-cmd" {
nativeBuildInputs = [ pkg ];
} ''
${pkg}/bin/brotli -c ${pkg}/bin/brotli > /dev/null && touch $out
'';
allocNoStdLibTest = let
pkg = brotliCrates.alloc_no_stdlib_1_3_0 {};
in runCommand "run-alloc-no-stdlib-test-cmd" {
nativeBuildInputs = [ pkg ];
} ''
test -e ${pkg}/bin/example && touch $out
'';
brotliDecompressorTest = let
pkg = brotliCrates.brotli_decompressor_1_3_1 {};
in runCommand "run-brotli-decompressor-test-cmd" {
nativeBuildInputs = [ pkg ];
} ''
test -e ${pkg}/bin/brotli-decompressor && touch $out
'';
};
test = runCommand "run-buildRustCrate-tests" {
nativeBuildInputs = builtins.attrValues tests;
} "
touch $out
";
}
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