diff options
Diffstat (limited to 'tvix/derivation')
19 files changed, 444 insertions, 0 deletions
diff --git a/tvix/derivation/Cargo.toml b/tvix/derivation/Cargo.toml new file mode 100644 index 000000000000..99dfbb3a104f --- /dev/null +++ b/tvix/derivation/Cargo.toml @@ -0,0 +1,19 @@ +[package] +name = "derivation" +version = "0.1.0" +edition = "2021" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] +glob = "0.3.0" +serde = { version = "1.0", features = ["derive"] } + +[dev-dependencies.test-generator] +# This fork of test-generator adds support for cargo workspaces, see +# also https://github.com/frehberg/test-generator/pull/14 +git = "https://github.com/JamesGuthrie/test-generator.git" +rev = "82e799979980962aec1aa324ec6e0e4cad781f41" + +[dev-dependencies] +serde_json = "1.0" diff --git a/tvix/derivation/src/lib.rs b/tvix/derivation/src/lib.rs new file mode 100644 index 000000000000..a0ddee410b80 --- /dev/null +++ b/tvix/derivation/src/lib.rs @@ -0,0 +1,216 @@ +use serde::{Deserialize, Serialize}; +use std::{collections::BTreeMap, fmt, fmt::Write}; + +#[cfg(test)] +mod tests; + +const DERIVATION_PREFIX: &str = "Derive"; +const PAREN_OPEN: char = '('; +const PAREN_CLOSE: char = ')'; +const BRACKET_OPEN: char = '['; +const BRACKET_CLOSE: char = ']'; +const COMMA: char = ','; +const QUOTE: char = '"'; + +const STRING_ESCAPER: [(char, &str); 5] = [ + ('\\', "\\\\"), + ('\n', "\\n"), + ('\r', "\\r"), + ('\t', "\\t"), + ('\"', "\\\""), +]; + +fn default_resource() -> String { + "".to_string() +} + +#[derive(Serialize, Deserialize)] +pub struct Output { + path: String, + #[serde(default = "default_resource")] + hash_algorithm: String, + #[serde(default = "default_resource")] + hash: String, +} + +#[derive(Serialize, Deserialize)] +pub struct Derivation { + outputs: BTreeMap<String, Output>, + input_sources: Vec<String>, + input_derivations: BTreeMap<String, Vec<String>>, + platform: String, + builder: String, + arguments: Vec<String>, + environment: BTreeMap<String, String>, +} + +fn escape_string(s: &String) -> String { + let mut s_replaced = s.clone(); + + for escape_sequence in STRING_ESCAPER { + s_replaced = s_replaced.replace(escape_sequence.0, escape_sequence.1); + } + + return format!("\"{}\"", s_replaced); +} + +fn write_array_elements( + writer: &mut impl Write, + quote: bool, + open: &str, + closing: &str, + elements: Vec<&String>, +) -> Result<(), fmt::Error> { + writer.write_str(open)?; + + for (index, element) in elements.iter().enumerate() { + if index > 0 { + writer.write_char(COMMA)?; + } + + if quote { + writer.write_char(QUOTE)?; + } + + writer.write_str(element)?; + + if quote { + writer.write_char(QUOTE)?; + } + } + + writer.write_str(closing)?; + + return Ok(()); +} + +pub fn serialize_derivation( + derivation: Derivation, + writer: &mut impl Write, +) -> Result<(), fmt::Error> { + writer.write_str(DERIVATION_PREFIX)?; + writer.write_char(PAREN_OPEN)?; + + // Step 1: Write outputs + { + writer.write_char(BRACKET_OPEN)?; + for (ii, (output_name, output)) in derivation.outputs.iter().enumerate() { + if ii > 0 { + writer.write_char(COMMA)?; + } + + // TODO(jrhahn) option to strip output + let elements = vec![ + output_name, + &output.path, + &output.hash_algorithm, + &output.hash, + ]; + + write_array_elements( + writer, + true, + &PAREN_OPEN.to_string(), + &PAREN_CLOSE.to_string(), + elements, + )? + } + writer.write_char(BRACKET_CLOSE)?; + } + + // Step 2: Write input_derivations + { + writer.write_char(COMMA)?; + writer.write_char(BRACKET_OPEN)?; + + for (ii, (input_derivation_path, input_derivation)) in + derivation.input_derivations.iter().enumerate() + { + if ii > 0 { + writer.write_char(COMMA)?; + } + + writer.write_char(PAREN_OPEN)?; + writer.write_char(QUOTE)?; + writer.write_str(input_derivation_path.as_str())?; + writer.write_char(QUOTE)?; + writer.write_char(COMMA)?; + + write_array_elements( + writer, + true, + &BRACKET_OPEN.to_string(), + &BRACKET_CLOSE.to_string(), + input_derivation.iter().map(|s| s).collect(), + )?; + + writer.write_char(PAREN_CLOSE)?; + } + + writer.write_char(BRACKET_CLOSE)?; + } + + // Step 3: Write input_sources + { + writer.write_char(COMMA)?; + write_array_elements( + writer, + true, + &BRACKET_OPEN.to_string(), + &BRACKET_CLOSE.to_string(), + derivation.input_sources.iter().map(|s| s).collect(), + )?; + } + + // Step 4: Write platform + { + writer.write_char(COMMA)?; + writer.write_str(&escape_string(&derivation.platform).as_str())?; + } + + // Step 5: Write builder + { + writer.write_char(COMMA)?; + writer.write_str(&escape_string(&derivation.builder).as_str())?; + } + + // Step 6: Write arguments + { + writer.write_char(COMMA)?; + write_array_elements( + writer, + true, + &BRACKET_OPEN.to_string(), + &BRACKET_CLOSE.to_string(), + derivation.arguments.iter().map(|s| s).collect(), + )?; + } + + // Step 7: Write env + { + writer.write_char(COMMA)?; + writer.write_char(BRACKET_OPEN)?; + + for (ii, (key, environment)) in derivation.environment.iter().enumerate() { + if ii > 0 { + writer.write_char(COMMA)?; + } + + // TODO(jrhahn) add strip option + write_array_elements( + writer, + false, + &PAREN_OPEN.to_string(), + &PAREN_CLOSE.to_string(), + vec![&escape_string(key), &escape_string(&environment)], + )?; + } + + writer.write_char(BRACKET_CLOSE)?; + } + + // Step 8: Close Derive call + writer.write_char(PAREN_CLOSE)?; + + return Ok(()); +} diff --git a/tvix/derivation/src/tests/derivation_tests/0hm2f1psjpcwg8fijsmr4wwxrx59s092-bar.drv b/tvix/derivation/src/tests/derivation_tests/0hm2f1psjpcwg8fijsmr4wwxrx59s092-bar.drv new file mode 100644 index 000000000000..a4fea3c5f486 --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/0hm2f1psjpcwg8fijsmr4wwxrx59s092-bar.drv @@ -0,0 +1 @@ +Derive([("out","/nix/store/4q0pg5zpfmznxscq3avycvf9xdvx50n3-bar","r:sha256","08813cbee9903c62be4c5027726a418a300da4500b2d369d3af9286f4815ceba")],[],[],":",":",[],[("builder",":"),("name","bar"),("out","/nix/store/4q0pg5zpfmznxscq3avycvf9xdvx50n3-bar"),("outputHash","08813cbee9903c62be4c5027726a418a300da4500b2d369d3af9286f4815ceba"),("outputHashAlgo","sha256"),("outputHashMode","recursive"),("system",":")]) \ No newline at end of file diff --git a/tvix/derivation/src/tests/derivation_tests/0hm2f1psjpcwg8fijsmr4wwxrx59s092-bar.drv.json b/tvix/derivation/src/tests/derivation_tests/0hm2f1psjpcwg8fijsmr4wwxrx59s092-bar.drv.json new file mode 100644 index 000000000000..abaaa8d4a6fc --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/0hm2f1psjpcwg8fijsmr4wwxrx59s092-bar.drv.json @@ -0,0 +1,23 @@ + { + "outputs": { + "out": { + "path": "/nix/store/4q0pg5zpfmznxscq3avycvf9xdvx50n3-bar", + "hash_algorithm": "r:sha256", + "hash": "08813cbee9903c62be4c5027726a418a300da4500b2d369d3af9286f4815ceba" + } + }, + "input_sources": [], + "input_derivations": {}, + "platform": ":", + "builder": ":", + "arguments": [], + "environment": { + "builder": ":", + "name": "bar", + "out": "/nix/store/4q0pg5zpfmznxscq3avycvf9xdvx50n3-bar", + "outputHash": "08813cbee9903c62be4c5027726a418a300da4500b2d369d3af9286f4815ceba", + "outputHashAlgo": "sha256", + "outputHashMode": "recursive", + "system": ":" + } +} diff --git a/tvix/derivation/src/tests/derivation_tests/292w8yzv5nn7nhdpxcs8b7vby2p27s09-nested-json.drv b/tvix/derivation/src/tests/derivation_tests/292w8yzv5nn7nhdpxcs8b7vby2p27s09-nested-json.drv new file mode 100644 index 000000000000..f0d9230a5a52 --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/292w8yzv5nn7nhdpxcs8b7vby2p27s09-nested-json.drv @@ -0,0 +1 @@ +Derive([("out","/nix/store/pzr7lsd3q9pqsnb42r9b23jc5sh8irvn-nested-json","","")],[],[],":",":",[],[("builder",":"),("json","{\"hello\":\"moto\\n\"}"),("name","nested-json"),("out","/nix/store/pzr7lsd3q9pqsnb42r9b23jc5sh8irvn-nested-json"),("system",":")]) \ No newline at end of file diff --git a/tvix/derivation/src/tests/derivation_tests/292w8yzv5nn7nhdpxcs8b7vby2p27s09-nested-json.drv.json b/tvix/derivation/src/tests/derivation_tests/292w8yzv5nn7nhdpxcs8b7vby2p27s09-nested-json.drv.json new file mode 100644 index 000000000000..a1b763ec9449 --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/292w8yzv5nn7nhdpxcs8b7vby2p27s09-nested-json.drv.json @@ -0,0 +1,19 @@ +{ + "outputs": { + "out": { + "path": "/nix/store/pzr7lsd3q9pqsnb42r9b23jc5sh8irvn-nested-json" + } + }, + "input_sources": [], + "input_derivations": {}, + "platform": ":", + "builder": ":", + "arguments": [], + "environment": { + "builder": ":", + "json": "{\"hello\":\"moto\\n\"}", + "name": "nested-json", + "out": "/nix/store/pzr7lsd3q9pqsnb42r9b23jc5sh8irvn-nested-json", + "system": ":" + } +} diff --git a/tvix/derivation/src/tests/derivation_tests/4wvvbi4jwn0prsdxb7vs673qa5h9gr7x-foo.drv b/tvix/derivation/src/tests/derivation_tests/4wvvbi4jwn0prsdxb7vs673qa5h9gr7x-foo.drv new file mode 100644 index 000000000000..a2cf9d31f92e --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/4wvvbi4jwn0prsdxb7vs673qa5h9gr7x-foo.drv @@ -0,0 +1 @@ +Derive([("out","/nix/store/5vyvcwah9l9kf07d52rcgdk70g2f4y13-foo","","")],[("/nix/store/0hm2f1psjpcwg8fijsmr4wwxrx59s092-bar.drv",["out"])],[],":",":",[],[("bar","/nix/store/4q0pg5zpfmznxscq3avycvf9xdvx50n3-bar"),("builder",":"),("name","foo"),("out","/nix/store/5vyvcwah9l9kf07d52rcgdk70g2f4y13-foo"),("system",":")]) \ No newline at end of file diff --git a/tvix/derivation/src/tests/derivation_tests/4wvvbi4jwn0prsdxb7vs673qa5h9gr7x-foo.drv.json b/tvix/derivation/src/tests/derivation_tests/4wvvbi4jwn0prsdxb7vs673qa5h9gr7x-foo.drv.json new file mode 100644 index 000000000000..f6bb5be234d1 --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/4wvvbi4jwn0prsdxb7vs673qa5h9gr7x-foo.drv.json @@ -0,0 +1,23 @@ +{ + "outputs": { + "out": { + "path": "/nix/store/5vyvcwah9l9kf07d52rcgdk70g2f4y13-foo" + } + }, + "input_sources": [], + "input_derivations": { + "/nix/store/0hm2f1psjpcwg8fijsmr4wwxrx59s092-bar.drv": [ + "out" + ] + }, + "platform": ":", + "builder": ":", + "arguments": [], + "environment": { + "bar": "/nix/store/4q0pg5zpfmznxscq3avycvf9xdvx50n3-bar", + "builder": ":", + "name": "foo", + "out": "/nix/store/5vyvcwah9l9kf07d52rcgdk70g2f4y13-foo", + "system": ":" + } +} diff --git a/tvix/derivation/src/tests/derivation_tests/52a9id8hx688hvlnz4d1n25ml1jdykz0-unicode.drv b/tvix/derivation/src/tests/derivation_tests/52a9id8hx688hvlnz4d1n25ml1jdykz0-unicode.drv new file mode 100644 index 000000000000..bbe88c02c739 --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/52a9id8hx688hvlnz4d1n25ml1jdykz0-unicode.drv @@ -0,0 +1 @@ +Derive([("out","/nix/store/vgvdj6nf7s8kvfbl2skbpwz9kc7xjazc-unicode","","")],[],[],":",":",[],[("builder",":"),("letters","räksmörgås\nrødgrød med fløde\nLübeck\n肥猪\nこんにちは / 今日は\n🌮\n"),("name","unicode"),("out","/nix/store/vgvdj6nf7s8kvfbl2skbpwz9kc7xjazc-unicode"),("system",":")]) \ No newline at end of file diff --git a/tvix/derivation/src/tests/derivation_tests/52a9id8hx688hvlnz4d1n25ml1jdykz0-unicode.drv.json b/tvix/derivation/src/tests/derivation_tests/52a9id8hx688hvlnz4d1n25ml1jdykz0-unicode.drv.json new file mode 100644 index 000000000000..bf837b3e8665 --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/52a9id8hx688hvlnz4d1n25ml1jdykz0-unicode.drv.json @@ -0,0 +1,19 @@ +{ + "outputs": { + "out": { + "path": "/nix/store/vgvdj6nf7s8kvfbl2skbpwz9kc7xjazc-unicode" + } + }, + "input_sources": [], + "input_derivations": {}, + "platform": ":", + "builder": ":", + "arguments": [], + "environment": { + "builder": ":", + "letters": "räksmörgås\nrødgrød med fløde\nLübeck\n肥猪\nこんにちは / 今日は\n🌮\n", + "name": "unicode", + "out": "/nix/store/vgvdj6nf7s8kvfbl2skbpwz9kc7xjazc-unicode", + "system": ":" + } +} diff --git a/tvix/derivation/src/tests/derivation_tests/9lj1lkjm2ag622mh4h9rpy6j607an8g2-structured-attrs.drv b/tvix/derivation/src/tests/derivation_tests/9lj1lkjm2ag622mh4h9rpy6j607an8g2-structured-attrs.drv new file mode 100644 index 000000000000..4b9338c0b953 --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/9lj1lkjm2ag622mh4h9rpy6j607an8g2-structured-attrs.drv @@ -0,0 +1 @@ +Derive([("out","/nix/store/6a39dl014j57bqka7qx25k0vb20vkqm6-structured-attrs","","")],[],[],":",":",[],[("__json","{\"builder\":\":\",\"name\":\"structured-attrs\",\"system\":\":\"}"),("out","/nix/store/6a39dl014j57bqka7qx25k0vb20vkqm6-structured-attrs")]) \ No newline at end of file diff --git a/tvix/derivation/src/tests/derivation_tests/9lj1lkjm2ag622mh4h9rpy6j607an8g2-structured-attrs.drv.json b/tvix/derivation/src/tests/derivation_tests/9lj1lkjm2ag622mh4h9rpy6j607an8g2-structured-attrs.drv.json new file mode 100644 index 000000000000..97f99acdb140 --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/9lj1lkjm2ag622mh4h9rpy6j607an8g2-structured-attrs.drv.json @@ -0,0 +1,16 @@ +{ + "outputs": { + "out": { + "path": "/nix/store/6a39dl014j57bqka7qx25k0vb20vkqm6-structured-attrs" + } + }, + "input_sources": [], + "input_derivations": {}, + "platform": ":", + "builder": ":", + "arguments": [], + "environment": { + "__json": "{\"builder\":\":\",\"name\":\"structured-attrs\",\"system\":\":\"}", + "out": "/nix/store/6a39dl014j57bqka7qx25k0vb20vkqm6-structured-attrs" + } +} diff --git a/tvix/derivation/src/tests/derivation_tests/ch49594n9avinrf8ip0aslidkc4lxkqv-foo.drv b/tvix/derivation/src/tests/derivation_tests/ch49594n9avinrf8ip0aslidkc4lxkqv-foo.drv new file mode 100644 index 000000000000..1699c2a75e48 --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/ch49594n9avinrf8ip0aslidkc4lxkqv-foo.drv @@ -0,0 +1 @@ +Derive([("out","/nix/store/fhaj6gmwns62s6ypkcldbaj2ybvkhx3p-foo","","")],[("/nix/store/ss2p4wmxijn652haqyd7dckxwl4c7hxx-bar.drv",["out"])],[],":",":",[],[("bar","/nix/store/mp57d33657rf34lzvlbpfa1gjfv5gmpg-bar"),("builder",":"),("name","foo"),("out","/nix/store/fhaj6gmwns62s6ypkcldbaj2ybvkhx3p-foo"),("system",":")]) \ No newline at end of file diff --git a/tvix/derivation/src/tests/derivation_tests/ch49594n9avinrf8ip0aslidkc4lxkqv-foo.drv.json b/tvix/derivation/src/tests/derivation_tests/ch49594n9avinrf8ip0aslidkc4lxkqv-foo.drv.json new file mode 100644 index 000000000000..2d7dbeb75299 --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/ch49594n9avinrf8ip0aslidkc4lxkqv-foo.drv.json @@ -0,0 +1,23 @@ +{ + "outputs": { + "out": { + "path": "/nix/store/fhaj6gmwns62s6ypkcldbaj2ybvkhx3p-foo" + } + }, + "input_sources": [], + "input_derivations": { + "/nix/store/ss2p4wmxijn652haqyd7dckxwl4c7hxx-bar.drv": [ + "out" + ] + }, + "platform": ":", + "builder": ":", + "arguments": [], + "environment": { + "bar": "/nix/store/mp57d33657rf34lzvlbpfa1gjfv5gmpg-bar", + "builder": ":", + "name": "foo", + "out": "/nix/store/fhaj6gmwns62s6ypkcldbaj2ybvkhx3p-foo", + "system": ":" + } +} diff --git a/tvix/derivation/src/tests/derivation_tests/h32dahq0bx5rp1krcdx3a53asj21jvhk-has-multi-out.drv b/tvix/derivation/src/tests/derivation_tests/h32dahq0bx5rp1krcdx3a53asj21jvhk-has-multi-out.drv new file mode 100644 index 000000000000..523612238c76 --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/h32dahq0bx5rp1krcdx3a53asj21jvhk-has-multi-out.drv @@ -0,0 +1 @@ +Derive([("lib","/nix/store/2vixb94v0hy2xc6p7mbnxxcyc095yyia-has-multi-out-lib","",""),("out","/nix/store/55lwldka5nyxa08wnvlizyqw02ihy8ic-has-multi-out","","")],[],[],":",":",[],[("builder",":"),("lib","/nix/store/2vixb94v0hy2xc6p7mbnxxcyc095yyia-has-multi-out-lib"),("name","has-multi-out"),("out","/nix/store/55lwldka5nyxa08wnvlizyqw02ihy8ic-has-multi-out"),("outputs","out lib"),("system",":")]) \ No newline at end of file diff --git a/tvix/derivation/src/tests/derivation_tests/h32dahq0bx5rp1krcdx3a53asj21jvhk-has-multi-out.drv.json b/tvix/derivation/src/tests/derivation_tests/h32dahq0bx5rp1krcdx3a53asj21jvhk-has-multi-out.drv.json new file mode 100644 index 000000000000..12cb3481980e --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/h32dahq0bx5rp1krcdx3a53asj21jvhk-has-multi-out.drv.json @@ -0,0 +1,23 @@ +{ + "outputs": { + "lib": { + "path": "/nix/store/2vixb94v0hy2xc6p7mbnxxcyc095yyia-has-multi-out-lib" + }, + "out": { + "path": "/nix/store/55lwldka5nyxa08wnvlizyqw02ihy8ic-has-multi-out" + } + }, + "input_sources": [], + "input_derivations": {}, + "platform": ":", + "builder": ":", + "arguments": [], + "environment": { + "builder": ":", + "lib": "/nix/store/2vixb94v0hy2xc6p7mbnxxcyc095yyia-has-multi-out-lib", + "name": "has-multi-out", + "out": "/nix/store/55lwldka5nyxa08wnvlizyqw02ihy8ic-has-multi-out", + "outputs": "out lib", + "system": ":" + } +} diff --git a/tvix/derivation/src/tests/derivation_tests/ss2p4wmxijn652haqyd7dckxwl4c7hxx-bar.drv b/tvix/derivation/src/tests/derivation_tests/ss2p4wmxijn652haqyd7dckxwl4c7hxx-bar.drv new file mode 100644 index 000000000000..559e93ed0ed6 --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/ss2p4wmxijn652haqyd7dckxwl4c7hxx-bar.drv @@ -0,0 +1 @@ +Derive([("out","/nix/store/mp57d33657rf34lzvlbpfa1gjfv5gmpg-bar","r:sha1","0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33")],[],[],":",":",[],[("builder",":"),("name","bar"),("out","/nix/store/mp57d33657rf34lzvlbpfa1gjfv5gmpg-bar"),("outputHash","0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33"),("outputHashAlgo","sha1"),("outputHashMode","recursive"),("system",":")]) \ No newline at end of file diff --git a/tvix/derivation/src/tests/derivation_tests/ss2p4wmxijn652haqyd7dckxwl4c7hxx-bar.drv.json b/tvix/derivation/src/tests/derivation_tests/ss2p4wmxijn652haqyd7dckxwl4c7hxx-bar.drv.json new file mode 100644 index 000000000000..e159a5d12eed --- /dev/null +++ b/tvix/derivation/src/tests/derivation_tests/ss2p4wmxijn652haqyd7dckxwl4c7hxx-bar.drv.json @@ -0,0 +1,23 @@ +{ + "outputs": { + "out": { + "path": "/nix/store/mp57d33657rf34lzvlbpfa1gjfv5gmpg-bar", + "hash_algorithm": "r:sha1", + "hash": "0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33" + } + }, + "input_sources": [], + "input_derivations": {}, + "platform": ":", + "builder": ":", + "arguments": [], + "environment": { + "builder": ":", + "name": "bar", + "out": "/nix/store/mp57d33657rf34lzvlbpfa1gjfv5gmpg-bar", + "outputHash": "0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33", + "outputHashAlgo": "sha1", + "outputHashMode": "recursive", + "system": ":" + } +} diff --git a/tvix/derivation/src/tests/mod.rs b/tvix/derivation/src/tests/mod.rs new file mode 100644 index 000000000000..9c8ffd061c11 --- /dev/null +++ b/tvix/derivation/src/tests/mod.rs @@ -0,0 +1,32 @@ +use super::{serialize_derivation, Derivation}; +use std::fs::File; +use std::io::Read; +use std::path::Path; +use test_generator::test_resources; + +fn read_file(path: &str) -> String { + let path = Path::new(path); + let mut file = File::open(path).unwrap(); + let mut data = String::new(); + + file.read_to_string(&mut data).unwrap(); + + return data; +} + +fn assert_derivation_ok(path_to_drv_file: &str) { + let data = read_file(&format!("{}.json", path_to_drv_file)); + let derivation: Derivation = serde_json::from_str(&data).expect("JSON was not well-formatted"); + + let mut serialized_derivation = String::new(); + serialize_derivation(derivation, &mut serialized_derivation).unwrap(); + + let expected = read_file(path_to_drv_file); + + assert_eq!(expected, serialized_derivation); +} + +#[test_resources("src/tests/derivation_tests/*.drv")] +fn derivation_files_ok(path: &str) { + assert_derivation_ok(path); +} |