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Merge pull request #8927 from obsidiansystems/test-derivation-aterm

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Test and begin documentation of the ATerm format for derivations
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John Ericson 2023-09-06 09:24:52 -04:00 committed by GitHub
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3 changed files with 83 additions and 46 deletions
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1
doc/manual/src/SUMMARY.md.in
View file

@ -100,6 +100,7 @@
- [File System Object](architecture/file-system-object.md)
- [Protocols](protocols/protocols.md)
- [Serving Tarball Flakes](protocols/tarball-fetcher.md)
- [Derivation "ATerm" file format](protocols/derivation-aterm.md)
- [Glossary](glossary.md)
- [Contributing](contributing/contributing.md)
- [Hacking](contributing/hacking.md)

9
doc/manual/src/protocols/derivation-aterm.md Normal file
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@ -0,0 +1,9 @@
# Derivation "ATerm" file format
For historical reasons, [derivations](@docroot@/glossary.md#gloss-store-derivation) are stored on-disk in [ATerm](https://homepages.cwi.nl/~daybuild/daily-books/technology/aterm-guide/aterm-guide.html) format.
Derivations are serialised in the following format:
```
Derive(...)
```

119
src/libstore/tests/derivation.cc
View file

@ -143,26 +143,76 @@ TEST_JSON(ImpureDerivationTest, impure,
#undef TEST_JSON
#define TEST_JSON(NAME, STR, VAL, DRV_NAME) \
TEST_F(DerivationTest, Derivation_ ## NAME ## _to_json) { \
using nlohmann::literals::operator "" _json; \
ASSERT_EQ( \
STR ## _json, \
(Derivation { VAL }).toJSON(*store)); \
} \
\
TEST_F(DerivationTest, Derivation_ ## NAME ## _from_json) { \
using nlohmann::literals::operator "" _json; \
ASSERT_EQ( \
Derivation { VAL }, \
Derivation::fromJSON( \
*store, \
STR ## _json)); \
#define TEST_JSON(NAME, STR, VAL) \
TEST_F(DerivationTest, Derivation_ ## NAME ## _to_json) { \
using nlohmann::literals::operator "" _json; \
ASSERT_EQ( \
STR ## _json, \
(VAL).toJSON(*store)); \
} \
\
TEST_F(DerivationTest, Derivation_ ## NAME ## _from_json) { \
using nlohmann::literals::operator "" _json; \
ASSERT_EQ( \
(VAL), \
Derivation::fromJSON( \
*store, \
STR ## _json)); \
}
#define TEST_ATERM(NAME, STR, VAL, DRV_NAME) \
TEST_F(DerivationTest, Derivation_ ## NAME ## _to_aterm) { \
ASSERT_EQ( \
STR, \
(VAL).unparse(*store, false)); \
} \
\
TEST_F(DerivationTest, Derivation_ ## NAME ## _from_aterm) { \
auto parsed = parseDerivation( \
*store, \
STR, \
DRV_NAME); \
ASSERT_EQ( \
(VAL).toJSON(*store), \
parsed.toJSON(*store)); \
ASSERT_EQ( \
(VAL), \
parsed); \
}
Derivation makeSimpleDrv(const Store & store) {
Derivation drv;
drv.name = "simple-derivation";
drv.inputSrcs = {
store.parseStorePath("/nix/store/c015dhfh5l0lp6wxyvdn7bmwhbbr6hr9-dep1"),
};
drv.inputDrvs = {
{
store.parseStorePath("/nix/store/c015dhfh5l0lp6wxyvdn7bmwhbbr6hr9-dep2.drv"),
{
"cat",
"dog",
},
},
};
drv.platform = "wasm-sel4";
drv.builder = "foo";
drv.args = {
"bar",
"baz",
};
drv.env = {
{
"BIG_BAD",
"WOLF",
},
};
return drv;
}
TEST_JSON(simple,
R"({
"name": "my-derivation",
"name": "simple-derivation",
"inputSrcs": [
"/nix/store/c015dhfh5l0lp6wxyvdn7bmwhbbr6hr9-dep1"
],
@ -183,37 +233,14 @@ TEST_JSON(simple,
},
"outputs": {}
})",
({
Derivation drv;
drv.name = "my-derivation";
drv.inputSrcs = {
store->parseStorePath("/nix/store/c015dhfh5l0lp6wxyvdn7bmwhbbr6hr9-dep1"),
};
drv.inputDrvs = {
{
store->parseStorePath("/nix/store/c015dhfh5l0lp6wxyvdn7bmwhbbr6hr9-dep2.drv"),
{
"cat",
"dog",
},
}
};
drv.platform = "wasm-sel4";
drv.builder = "foo";
drv.args = {
"bar",
"baz",
};
drv.env = {
{
"BIG_BAD",
"WOLF",
},
};
drv;
}),
"drv-name")
makeSimpleDrv(*store))
TEST_ATERM(simple,
R"(Derive([],[("/nix/store/c015dhfh5l0lp6wxyvdn7bmwhbbr6hr9-dep2.drv",["cat","dog"])],["/nix/store/c015dhfh5l0lp6wxyvdn7bmwhbbr6hr9-dep1"],"wasm-sel4","foo",["bar","baz"],[("BIG_BAD","WOLF")]))",
makeSimpleDrv(*store),
"simple-derivation")
#undef TEST_JSON
#undef TEST_ATERM
}