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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);
}
'';
mkBinExtern = name: extern: mkFile name ''
extern crate ${extern};
fn main() {
assert_eq!(${extern}::test(), 23);
}
'';
mkTestFile = name: functionName: mkFile name ''
#[cfg(test)]
#[test]
fn ${functionName}() {
assert!(true);
}
'';
mkTestFileWithMain = name: functionName: mkFile name ''
#[cfg(test)]
#[test]
fn ${functionName}() {
assert!(true);
}
fn main() {}
'';
mkLib = name: mkFile name "pub fn test() -> i32 { return 23; }";
mkTest = crateArgs: let
crate = mkCrate (builtins.removeAttrs crateArgs ["expectedTestOutput"]);
hasTests = crateArgs.buildTests or false;
expectedTestOutputs = crateArgs.expectedTestOutputs or null;
binaries = map (v: ''"${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-${crateName}";
dependencies = [ crate ];
src = mkBinExtern "src/main.rs" libName;
};
in
assert expectedTestOutputs != null -> hasTests;
assert hasTests -> expectedTestOutputs != null;
runCommand "run-buildRustCrate-${crateName}-test" {
nativeBuildInputs = [ crate ];
} (if !hasTests then ''
${lib.concatStringsSep "\n" binaries}
${lib.optionalString isLib ''
test -e ${crate}/lib/*.rlib || exit 1
${libTestBinary}/bin/run-test-${crateName}
''}
touch $out
'' else ''
for file in ${crate}/tests/*; do
$file 2>&1 >> $out
done
set -e
${lib.concatMapStringsSep "\n" (o: "grep '${o}' $out || { echo 'output \"${o}\" not found in:'; cat $out; exit 23; }") expectedTestOutputs}
''
);
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";};
crateBinRename1 = {
crateBin = [{ name = "my-binary-rename1"; }];
src = mkBinExtern "src/main.rs" "foo_renamed";
dependencies = [ (mkCrate { crateName = "foo"; src = mkLib "src/lib.rs"; }) ];
crateRenames = { "foo" = "foo_renamed"; };
};
crateBinRename2 = {
crateBin = [{ name = "my-binary-rename2"; }];
src = mkBinExtern "src/main.rs" "foo_renamed";
dependencies = [ (mkCrate { crateName = "foo"; libName = "foolib"; src = mkLib "src/lib.rs"; }) ];
crateRenames = { "foo" = "foo_renamed"; };
};
rustLibTestsDefault = {
src = mkTestFile "src/lib.rs" "baz";
buildTests = true;
expectedTestOutputs = [ "test baz ... ok" ];
};
rustLibTestsCustomLibName = {
libName = "test_lib";
src = mkTestFile "src/test_lib.rs" "foo";
buildTests = true;
expectedTestOutputs = [ "test foo ... ok" ];
};
rustLibTestsCustomLibPath = {
libPath = "src/test_path.rs";
src = mkTestFile "src/test_path.rs" "bar";
buildTests = true;
expectedTestOutputs = [ "test bar ... ok" ];
};
rustLibTestsCustomLibPathWithTests = {
libPath = "src/test_path.rs";
src = symlinkJoin {
name = "rust-lib-tests-custom-lib-path-with-tests-dir";
paths = [
(mkTestFile "src/test_path.rs" "bar")
(mkTestFile "tests/something.rs" "something")
];
};
buildTests = true;
expectedTestOutputs = [
"test bar ... ok"
"test something ... ok"
];
};
rustBinTestsCombined = {
src = symlinkJoin {
name = "rust-bin-tests-combined";
paths = [
(mkTestFileWithMain "src/main.rs" "src_main")
(mkTestFile "tests/foo.rs" "tests_foo")
(mkTestFile "tests/bar.rs" "tests_bar")
];
};
buildTests = true;
expectedTestOutputs = [
"test src_main ... ok"
"test tests_foo ... ok"
"test tests_bar ... ok"
];
};
rustBinTestsSubdirCombined = {
src = symlinkJoin {
name = "rust-bin-tests-subdir-combined";
paths = [
(mkTestFileWithMain "src/main.rs" "src_main")
(mkTestFile "tests/foo/main.rs" "tests_foo")
(mkTestFile "tests/bar/main.rs" "tests_bar")
];
};
buildTests = true;
expectedTestOutputs = [
"test src_main ... ok"
"test tests_foo ... ok"
"test tests_bar ... ok"
];
};
};
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
";
}
|