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#include <iostream>
#include <sys/stat.h>
#include <sys/types.h>
#include "hash.hh"
#include "archive.hh"
#include "util.hh"
#include "eval.hh"
#include "values.hh"
#include "globals.hh"
typedef Expr (* Normaliser) (Expr);
void eval(Normaliser n, Expr e)
{
e = n(e);
cout << (string) hashExpr(e) << ": " << printExpr(e) << endl;
}
void evalFail(Normaliser n, Expr e)
{
try {
e = n(e);
abort();
} catch (Error e) {
cout << "error (expected): " << e.what() << endl;
}
}
struct MySink : DumpSink
{
virtual void operator () (const unsigned char * data, unsigned int len)
{
/* Don't use cout, it's slow as hell! */
if (write(STDOUT_FILENO, (char *) data, len) != (ssize_t) len)
throw SysError("writing to stdout");
}
};
struct MySource : RestoreSource
{
virtual void operator () (const unsigned char * data, unsigned int len)
{
ssize_t res = read(STDIN_FILENO, (char *) data, len);
if (res == -1)
throw SysError("reading from stdin");
if (res != (ssize_t) len)
throw Error("not enough data available on stdin");
}
};
void runTests()
{
/* Hashing. */
string s = "0b0ffd0538622bfe20b92c4aa57254d9";
Hash h = parseHash(s);
if ((string) h != s) abort();
try {
h = parseHash("blah blah");
abort();
} catch (BadRefError err) { };
try {
h = parseHash("0b0ffd0538622bfe20b92c4aa57254d99");
abort();
} catch (BadRefError err) { };
/* Dumping. */
#if 0
MySink sink;
dumpPath("scratch", sink);
cout << (string) hashPath("scratch") << endl;
#endif
/* Restoring. */
#if 0
MySource source;
restorePath("outdir", source);
cout << (string) hashPath("outdir") << endl;
return;
#endif
/* Set up the test environment. */
mkdir("scratch", 0777);
string testDir = absPath("scratch");
cout << testDir << endl;
nixValues = testDir;
nixLogDir = testDir;
nixDB = testDir + "/db";
initDB();
/* Expression evaluation. */
eval(whNormalise,
ATmake("Str(\"Hello World\")"));
eval(whNormalise,
ATmake("Bool(True)"));
eval(whNormalise,
ATmake("Bool(False)"));
eval(whNormalise,
ATmake("App(Lam(\"x\", Var(\"x\")), Str(\"Hello World\"))"));
eval(whNormalise,
ATmake("App(App(Lam(\"x\", Lam(\"y\", Var(\"x\"))), Str(\"Hello World\")), Str(\"Hallo Wereld\"))"));
eval(whNormalise,
ATmake("App(Lam(\"sys\", Lam(\"x\", [Var(\"x\"), Var(\"sys\")])), Str(\"i686-suse-linux\"))"));
evalFail(whNormalise,
ATmake("Foo(123)"));
string builder1fn = absPath("./test-builder-1.sh");
Hash builder1h = hashFile(builder1fn);
string fn1 = nixValues + "/builder-1.sh";
Expr e1 = ATmake("File(<str>, ExtFile(<str>, <str>), [])",
fn1.c_str(),
builder1h.c_str(),
builder1fn.c_str());
eval(fNormalise, e1);
string fn2 = nixValues + "/refer.txt";
Expr e2 = ATmake("File(<str>, Regular(<str>), [<term>])",
fn2.c_str(),
("I refer to " + fn1).c_str(),
e1);
eval(fNormalise, e2);
realise(e2);
#if 0
Hash builder1 = addValue("./test-builder-1.sh");
Expr e1 = ATmake("Exec(Str(<str>), Hash(<str>), [])",
thisSystem.c_str(), ((string) builder1).c_str());
eval(e1);
Hash builder2 = addValue("./test-builder-2.sh");
Expr e2 = ATmake(
"Exec(Str(<str>), Hash(<str>), [Tup(Str(\"src\"), <term>)])",
thisSystem.c_str(), ((string) builder2).c_str(), e1);
eval(e2);
Hash h3 = addValue("./test-expr-1.nix");
Expr e3 = ATmake("Deref(Hash(<str>))", ((string) h3).c_str());
eval(e3);
deleteValue(h3);
#endif
}
int main(int argc, char * * argv)
{
ATerm bottomOfStack;
ATinit(argc, argv, &bottomOfStack);
try {
runTests();
} catch (exception & e) {
cerr << "error: " << e.what() << endl;
return 1;
}
}
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