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let mocklib = global.mocklib,
fs = mocklib.require("fs");
return {
readlink: function(path) {
mocklib.trace_call("fs", "readlink", { path });
return path + "-link";
},
stat: function(path) {
let file = sprintf("fs/stat~%s.json", replace(path, /[^A-Za-z0-9_-]+/g, '_')),
mock = mocklib.read_json_file(file);
if (!mock || mock != mock) {
mocklib.I("No stat result fixture defined for fs.stat() call on %s.", path);
mocklib.I("Provide a mock result through the following JSON file:\n%s\n", file);
if (match(path, /\/$/))
mock = { type: "directory" };
else
mock = { type: "file" };
}
mocklib.trace_call("fs", "stat", { path });
return mock;
},
unlink: function(path) {
printf("fs.unlink() path <%s>\n", path);
return true;
},
popen: (cmdline, mode) => {
let read = (!mode || index(mode, "r") != -1),
path = sprintf("fs/popen~%s.txt", replace(cmdline, /[^A-Za-z0-9_-]+/g, '_')),
mock = mocklib.read_data_file(path);
if (read && !mock) {
mocklib.I("No stdout fixture defined for fs.popen() command %s.", cmdline);
mocklib.I("Provide a mock output through the following text file:\n%s\n", path);
return null;
}
mocklib.trace_call("fs", "popen", { cmdline, mode });
return {
read: function(amount) {
let rv;
switch (amount) {
case "all":
rv = mock;
mock = "";
break;
case "line":
let i = index(mock, "\n");
i = (i > -1) ? i + 1 : mock.length;
rv = substr(mock, 0, i);
mock = substr(mock, i);
break;
default:
let n = +amount;
n = (n > 0) ? n : 0;
rv = substr(mock, 0, n);
mock = substr(mock, n);
break;
}
return rv;
},
write: function() {},
close: function() {},
error: function() {
return null;
}
};
},
open: (fpath, mode) => {
let read = (!mode || index(mode, "r") != -1 || index(mode, "+") != -1),
path = sprintf("fs/open~%s.txt", replace(fpath, /[^A-Za-z0-9_-]+/g, '_')),
mock = read ? mocklib.read_data_file(path) : null;
if (read && !mock) {
mocklib.I("No stdout fixture defined for fs.open() path %s.", fpath);
mocklib.I("Provide a mock output through the following text file:\n%s\n", path);
return null;
}
mocklib.trace_call("fs", "open", { path: fpath, mode });
return {
read: function(amount) {
let rv;
switch (amount) {
case "all":
rv = mock;
mock = "";
break;
case "line":
let i = index(mock, "\n");
i = (i > -1) ? i + 1 : mock.length;
rv = substr(mock, 0, i);
mock = substr(mock, i);
break;
default:
let n = +amount;
n = (n > 0) ? n : 0;
rv = substr(mock, 0, n);
mock = substr(mock, n);
break;
}
return rv;
},
write: function() {},
close: function() {},
error: function() {
return null;
}
};
},
opendir: (path) => {
let file = sprintf("fs/opendir~%s.json", replace(path, /[^A-Za-z0-9_-]+/g, '_')),
mock = mocklib.read_json_file(file),
index = 0;
if (!mock || mock != mock) {
mocklib.I("No stat result fixture defined for fs.opendir() call on %s.", path);
mocklib.I("Provide a mock result through the following JSON file:\n%s\n", file);
mock = [];
}
mocklib.trace_call("fs", "opendir", { path });
return {
read: function() {
return mock[index++];
},
tell: function() {
return index;
},
seek: function(i) {
index = i;
},
close: function() {},
error: function() {
return null;
}
};
},
error: () => "Unspecified error"
};
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