about summary refs log tree commit diff
path: root/src/tools/rustdoc-js/tester.js
diff options
context:
space:
mode:
Diffstat (limited to 'src/tools/rustdoc-js/tester.js')
-rw-r--r--src/tools/rustdoc-js/tester.js210
1 files changed, 210 insertions, 0 deletions
diff --git a/src/tools/rustdoc-js/tester.js b/src/tools/rustdoc-js/tester.js
new file mode 100644
index 00000000000..7c9ee2a4943
--- /dev/null
+++ b/src/tools/rustdoc-js/tester.js
@@ -0,0 +1,210 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+const fs = require('fs');
+
+const TEST_FOLDER = 'src/test/rustdoc-js/';
+
+// Stupid function extractor based on indent.
+function extractFunction(content, functionName) {
+    var x = content.split('\n');
+    var in_func = false;
+    var indent = 0;
+    var lines = [];
+
+    for (var i = 0; i < x.length; ++i) {
+        if (in_func === false) {
+            var splitter = "function " + functionName + "(";
+            if (x[i].trim().startsWith(splitter)) {
+                in_func = true;
+                indent = x[i].split(splitter)[0].length;
+                lines.push(x[i]);
+            }
+        } else {
+            lines.push(x[i]);
+            if (x[i].trim() === "}" && x[i].split("}")[0].length === indent) {
+                return lines.join("\n");
+            }
+        }
+    }
+    return null;
+}
+
+// Stupid function extractor for array.
+function extractArrayVariable(content, arrayName) {
+    var x = content.split('\n');
+    var found_var = false;
+    var lines = [];
+
+    for (var i = 0; i < x.length; ++i) {
+        if (found_var === false) {
+            var splitter = "var " + arrayName + " = [";
+            if (x[i].trim().startsWith(splitter)) {
+                found_var = true;
+                i -= 1;
+            }
+        } else {
+            lines.push(x[i]);
+            if (x[i].endsWith('];')) {
+                return lines.join("\n");
+            }
+        }
+    }
+    return null;
+}
+
+// Stupid function extractor for variable.
+function extractVariable(content, varName) {
+    var x = content.split('\n');
+    var found_var = false;
+    var lines = [];
+
+    for (var i = 0; i < x.length; ++i) {
+        if (found_var === false) {
+            var splitter = "var " + varName + " = ";
+            if (x[i].trim().startsWith(splitter)) {
+                found_var = true;
+                i -= 1;
+            }
+        } else {
+            lines.push(x[i]);
+            if (x[i].endsWith(';')) {
+                return lines.join("\n");
+            }
+        }
+    }
+    return null;
+}
+
+function loadContent(content) {
+    var Module = module.constructor;
+    var m = new Module();
+    m._compile(content, "tmp.js");
+    return m.exports;
+}
+
+function readFile(filePath) {
+    return fs.readFileSync(filePath, 'utf8');
+}
+
+function loadThings(thingsToLoad, kindOfLoad, funcToCall, fileContent) {
+    var content = '';
+    for (var i = 0; i < thingsToLoad.length; ++i) {
+        var tmp = funcToCall(fileContent, thingsToLoad[i]);
+        if (tmp === null) {
+            console.error('enable to find ' + kindOfLoad + ' "' + thingsToLoad[i] + '"');
+            process.exit(1);
+        }
+        content += tmp;
+        content += 'exports.' + thingsToLoad[i] + ' = ' + thingsToLoad[i] + ';';
+    }
+    return content;
+}
+
+function lookForEntry(entry, data) {
+    for (var i = 0; i < data.length; ++i) {
+        var allGood = true;
+        for (var key in entry) {
+            if (!entry.hasOwnProperty(key)) {
+                continue;
+            }
+            var value = data[i][key];
+            // To make our life easier, if there is a "parent" type, we add it to the path.
+            if (key === 'path' && data[i]['parent'] !== undefined) {
+                if (value.length > 0) {
+                    value += '::' + data[i]['parent']['name'];
+                } else {
+                    value = data[i]['parent']['name'];
+                }
+            }
+            if (value !== entry[key]) {
+                allGood = false;
+                break;
+            }
+        }
+        if (allGood === true) {
+            return true;
+        }
+    }
+    return false;
+}
+
+function main(argv) {
+    if (argv.length !== 3) {
+        console.error("Expected toolchain to check as argument (for example 'x86_64-apple-darwin'");
+        return 1;
+    }
+    var toolchain = argv[2];
+
+    var mainJs = readFile("build/" + toolchain + "/doc/main.js");
+    var searchIndex = readFile("build/" + toolchain + "/doc/search-index.js").split("\n");
+    if (searchIndex[searchIndex.length - 1].length === 0) {
+        searchIndex.pop();
+    }
+    searchIndex.pop();
+    searchIndex = loadContent(searchIndex.join("\n") + '\nexports.searchIndex = searchIndex;');
+    finalJS = "";
+
+    var arraysToLoad = ["itemTypes"];
+    var variablesToLoad = ["MAX_LEV_DISTANCE", "MAX_RESULTS", "TY_PRIMITIVE", "levenshtein_row2"];
+    // execQuery first parameter is built in getQuery (which takes in the search input).
+    // execQuery last parameter is built in buildIndex.
+    // buildIndex requires the hashmap from search-index.
+    var functionsToLoad = ["levenshtein", "validateResult", "getQuery", "buildIndex", "execQuery"];
+
+    finalJS += 'window = { "currentCrate": "std" };\n';
+    finalJS += loadThings(arraysToLoad, 'array', extractArrayVariable, mainJs);
+    finalJS += loadThings(variablesToLoad, 'variable', extractVariable, mainJs);
+    finalJS += loadThings(functionsToLoad, 'function', extractFunction, mainJs);
+
+    var loaded = loadContent(finalJS);
+    var index = loaded.buildIndex(searchIndex.searchIndex);
+
+    var errors = 0;
+
+    fs.readdirSync(TEST_FOLDER).forEach(function(file) {
+        var loadedFile = loadContent(readFile(TEST_FOLDER + file) +
+                               'exports.QUERY = QUERY;exports.EXPECTED = EXPECTED;');
+        const expected = loadedFile.EXPECTED;
+        const query = loadedFile.QUERY;
+        var results = loaded.execQuery(loaded.getQuery(query), index);
+        process.stdout.write('Checking "' + file + '" ... ');
+        var error_text = [];
+        for (var key in expected) {
+            if (!expected.hasOwnProperty(key)) {
+                continue;
+            }
+            if (!results.hasOwnProperty(key)) {
+                error_text.push('==> Unknown key "' + key + '"');
+                break;
+            }
+            var entry = expected[key];
+            var found = false;
+            for (var i = 0; i < entry.length; ++i) {
+                if (lookForEntry(entry[i], results[key]) === true) {
+                    found = true;
+                } else {
+                    error_text.push("==> Result not found in '" + key + "': '" +
+                                    JSON.stringify(entry[i]) + "'");
+                }
+            }
+        }
+        if (error_text.length !== 0) {
+            errors += 1;
+            console.error("FAILED");
+            console.error(error_text.join("\n"));
+        } else {
+            console.log("OK");
+        }
+    });
+    return errors;
+}
+
+process.exit(main(process.argv));