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Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
This commit is contained in:
Will Hawkins
2026-02-10 03:37:57 -05:00
parent 0dd5ce4be3
commit 3693bdc02d
15 changed files with 635 additions and 119 deletions
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Tests/p4rseTests/RuntimeTests.swift
+90 -1
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@@ -28,6 +28,30 @@ import TreeSitterP4
@testable import Parser
@Test func test_simple_runtime() async throws {
let simple_parser_declaration = """
parser main_parser() {
state start {
true;
transition accept;
}
};
"""
let program = try #UseOkResult(Parser.Program(simple_parser_declaration))
#expect(#RequireOkResult(Runtime.ParserRuntime.create(program: program)))
let runtime = try #UseOkResult(Runtime.ParserRuntime.create(program: program))
guard case Common.Result.Ok(let (state_result, _)) = runtime.run(input: Packet())
else {
assert(false)
}
// We should be in the accept state.
#expect(state_result == Lang.accept)
}
@Test func test_simple_runtime_to_accept() async throws {
let simple_parser_declaration = """
parser main_parser() {
state start {
@@ -39,8 +63,19 @@ import TreeSitterP4
let program = try #UseOkResult(Parser.Program(simple_parser_declaration))
#expect(#RequireOkResult(Runtime.ParserRuntime.create(program: program)))
let runtime = try #UseOkResult(Runtime.ParserRuntime.create(program: program))
guard case Common.Result.Ok(let (state_result, _)) = runtime.run(input: Packet())
else {
assert(false)
}
// We should be in the accept state.
#expect(state_result == Lang.reject)
}
@Test func test_simple_runtime_no_start_state() async throws {
let simple_parser_declaration = """
parser main_parser() {
@@ -89,7 +124,7 @@ import TreeSitterP4
}
// We should be in the accept state.
#expect(state_result == Lang.accept)
#expect(state_result == Lang.reject)
// There are two variables declared.
#expect(scope.count == 2)
@@ -100,3 +135,57 @@ import TreeSitterP4
#expect(b.value_type.eq(rhs: P4BooleanValue(withValue: false)))
#expect(s.value_type.eq(rhs: P4StringValue(withValue: "\"testing\"")))
}
@Test func test_simple_parser_with_transition_select_expression() async throws {
let simple_parser_declaration = """
parser main_parser() {
state start {
transition select (true) {
false: reject;
true: accept;
};
}
};
"""
let program = try #UseOkResult(Parser.Program(simple_parser_declaration))
#expect(#RequireOkResult(program.find_parser(withName: Identifier(name: "main_parser"))))
let parser = try #UseOkResult(program.find_parser(withName: Identifier(name: "main_parser")))
#expect(parser.states.count() == 1)
let runtime = try #UseOkResult(Runtime.ParserRuntime.create(program: program))
guard case Common.Result.Ok(let (state_result, _)) = runtime.run(input: Packet())
else {
assert(false)
}
#expect(state_result == Lang.accept)
}
@Test func test_simple_parser_with_transition_select_expression_to_reject() async throws {
let simple_parser_declaration = """
parser main_parser() {
state start {
transition select (false) {
false: reject;
true: accept;
};
}
};
"""
let program = try #UseOkResult(Parser.Program(simple_parser_declaration))
#expect(#RequireOkResult(program.find_parser(withName: Identifier(name: "main_parser"))))
let parser = try #UseOkResult(program.find_parser(withName: Identifier(name: "main_parser")))
#expect(parser.states.count() == 1)
let runtime = try #UseOkResult(Runtime.ParserRuntime.create(program: program))
guard case Common.Result.Ok(let (state_result, _)) = runtime.run(input: Packet())
else {
assert(false)
}
#expect(state_result == Lang.reject)
}