Add snapshot testing for statement parsing

For statements it is hard to write any unit tests, as a statement is a rather complex struct also containing some meta information. It is much easier to test the statement parsing, looking at the generated statement and review it instead.

rust/Cargo.toml

@@ -6,14 +6,14 @@ license = "GPL-2.0-or-later"
 
 [dependencies]
 aes = "0.8.2"
-aes-gcm = { version = "0.10.1"}
+aes-gcm = { version = "0.10.1" }
 anyhow = "1.0.75"
 async-trait = "0.1.68"
 base64 = "0.21.2"
-cbc = { version = "0.1.2", features = ["alloc"]}
+cbc = { version = "0.1.2", features = ["alloc"] }
 ccm = "0.5.0"
 chacha20 = "0.9.1"
-chrono = { version = "0.4.23", default-features = false, features = ["clock"]}
+chrono = { version = "0.4.23", default-features = false, features = ["clock"] }
 clap = { version = "4.3.0", features = ["derive", "env"] }
 cmac = "0.7.2"
 configparser = "3"
@@ -57,8 +57,10 @@ rustls = "0.23.5"
 rustls-pemfile = "2.1.2"
 rustls-pemfile-old = { version = "1.0.2", package = "rustls-pemfile" }
 sequoia-ipc = "0.30.1"
-sequoia-openpgp = { version ="1.16.1", default-features = false, features = ["crypto-openssl"] }
-serde = { version = "1.0", features = ["derive"]}
+sequoia-openpgp = { version = "1.16.1", default-features = false, features = [
+  "crypto-openssl",
+] }
+serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0.96"
 sha1 = "0.10.5"
 sha2 = "0.10.7"
@@ -78,11 +80,14 @@ rayon = { version = "1.8.0", optional = true }
 pcap = { version = "1.0.0", optional = true }
 pnet_base = { version = "0.33.0", optional = true }
 pnet = { version = "0.33.0", optional = true }
-socket2 = {version = "0.5.2", features = ["all"], optional = true}
+socket2 = { version = "0.5.2", features = ["all"], optional = true }
 pnet_macros = { version = "0.33.0", optional = true }
 pnet_macros_support = { version = "0.33.0", optional = true }
 
-libssh-rs = {version = "~0.2", features = ["vendored-openssl", "vendored"], optional = true}
+libssh-rs = { version = "~0.2", features = [
+  "vendored-openssl",
+  "vendored",
+], optional = true }
 
 nasl-function-proc-macro = { path = "crates/nasl-function-proc-macro" }
 nasl-c-lib = { path = "crates/nasl-c-lib", optional = true }
@@ -92,22 +97,32 @@ rc4 = "0.1.0"
 
 [workspace]
 resolver = "2"
-members = [
-  "crates/smoketest",
-  "crates/nasl-function-proc-macro",
-]
+members = ["crates/smoketest", "crates/nasl-function-proc-macro"]
 
 [dev-dependencies]
 tracing-test = "0.2.5"
 criterion = "0"
+insta = { version = "1.41.1", features = ["ron"] }
 
 [features]
 dep-graph-parallel = ["rayon", "crossbeam-channel"]
 openvas_serde_support = []
 serde_support = []
-default = ["dep-graph-parallel", "openvas_serde_support", "enforce-no-trailing-arguments", "serde_support"]
+default = [
+  "dep-graph-parallel",
+  "openvas_serde_support",
+  "enforce-no-trailing-arguments",
+  "serde_support",
+]
 
-nasl-builtin-raw-ip = ["pcap", "pnet_base", "pnet", "socket2", "pnet_macros", "pnet_macros_support",]
+nasl-builtin-raw-ip = [
+  "pcap",
+  "pnet_base",
+  "pnet",
+  "socket2",
+  "pnet_macros",
+  "pnet_macros_support",
+]
 nasl-builtin-ssh = ["libssh-rs"]
 experimental = ["nasl-builtin-raw-ip", "nasl-builtin-ssh", "nasl-c-lib"]
 

rust/src/nasl/syntax/snapshots/statement_add.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+a + 1

rust/src/nasl/syntax/snapshots/statement_array.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+a[1]

rust/src/nasl/syntax/snapshots/statement_assign.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+a = 1

rust/src/nasl/syntax/snapshots/statement_assign_return.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+--a

rust/src/nasl/syntax/snapshots/statement_block.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+{ ... }

rust/src/nasl/syntax/snapshots/statement_break.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+break

rust/src/nasl/syntax/snapshots/statement_call.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+a();

rust/src/nasl/syntax/snapshots/statement_continue.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+continue

rust/src/nasl/syntax/snapshots/statement_declare.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+local_var a

rust/src/nasl/syntax/snapshots/statement_div.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+a / 1

rust/src/nasl/syntax/snapshots/statement_exit.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+exit(0);

rust/src/nasl/syntax/snapshots/statement_for.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+for (i = 0; i < 10; i++) { a }

rust/src/nasl/syntax/snapshots/statement_foreach.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+foreach a(b) {c}

rust/src/nasl/syntax/snapshots/statement_function_declaration.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+function a((b)) { ... }

rust/src/nasl/syntax/snapshots/statement_if.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+if (a) b else c

rust/src/nasl/syntax/snapshots/statement_include.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+include("test.inc");

rust/src/nasl/syntax/snapshots/statement_modulo.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+a % 1

rust/src/nasl/syntax/snapshots/statement_mul.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+a * 1

rust/src/nasl/syntax/snapshots/statement_named_parameter.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+a: b

rust/src/nasl/syntax/snapshots/statement_no_op.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+NoOp

rust/src/nasl/syntax/snapshots/statement_parameter.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+(a, b)

rust/src/nasl/syntax/snapshots/statement_primitive.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+1

rust/src/nasl/syntax/snapshots/statement_repeat.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+repeat a until b

rust/src/nasl/syntax/snapshots/statement_return.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+return 0;

rust/src/nasl/syntax/snapshots/statement_return_assign.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+a++

rust/src/nasl/syntax/snapshots/statement_sub.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+a - 1

rust/src/nasl/syntax/snapshots/statement_variable.snap

@@ -0,0 +1,6 @@
+---
+source: src/nasl/syntax/statement.rs
+expression: stmt
+snapshot_kind: text
+---
+a