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