Current Dev State

static/js/ketcher2/node_modules/source-map-url/test/source-map-url.js

@@ -0,0 +1,321 @@
+// Copyright 2014 Simon Lydell
+// X11 (“MIT”) Licensed. (See LICENSE.)
+
+var expect = require("expect.js")
+
+var sourceMappingURL = require("../")
+
+var comments = {
+
+  universal: [
+    "/*# sourceMappingURL=foo.js.map */"
+  ],
+
+  js: [
+    "//# sourceMappingURL=foo.js.map"
+  ],
+
+  block: [
+    "/*",
+    "# sourceMappingURL=foo.js.map",
+    "*/"
+  ],
+
+  mix: [
+    "/*",
+    "//# sourceMappingURL=foo.js.map",
+    "*/"
+  ]
+
+}
+
+function forEachComment(fn) {
+  forOf(comments, function(name, comment) {
+    var description = "the '" + name + "' syntax with "
+    fn(comment.join("\n"),   description + "regular newlines")
+    fn(comment.join("\r\n"), description + "Windows newlines")
+  })
+}
+
+function forOf(obj, fn) {
+  for (var key in obj) {
+    if (Object.prototype.hasOwnProperty.call(obj, key)) {
+      fn(key, obj[key])
+    }
+  }
+}
+
+
+describe("sourceMappingURL", function() {
+
+  describe(".getFrom", function() {
+
+    forEachComment(function(comment, description) {
+
+      it("gets the url from " + description, function() {
+        expect(sourceMappingURL.getFrom("code\n" + comment))
+          .to.equal("foo.js.map")
+
+        expect(sourceMappingURL.getFrom("code" + comment))
+          .to.equal("foo.js.map")
+
+        expect(sourceMappingURL.getFrom(comment))
+          .to.equal("foo.js.map")
+      })
+
+    })
+
+
+    it("returns null if no comment", function() {
+      expect(sourceMappingURL.getFrom("code"))
+        .to.equal(null)
+    })
+
+
+    it("can return an empty string as url", function() {
+      expect(sourceMappingURL.getFrom("/*# sourceMappingURL= */"))
+        .to.equal("")
+    })
+
+
+    it("is detachable", function() {
+      var get = sourceMappingURL.getFrom
+      expect(get("/*# sourceMappingURL=foo */"))
+        .to.equal("foo")
+    })
+
+  })
+
+
+  describe(".existsIn", function() {
+
+    forEachComment(function(comment, description) {
+
+      it("returns true for " + description, function() {
+        expect(sourceMappingURL.existsIn("code\n" + comment))
+          .to.equal(true)
+
+        expect(sourceMappingURL.existsIn("code" + comment))
+          .to.equal(true)
+
+        expect(sourceMappingURL.existsIn(comment))
+          .to.equal(true)
+      })
+
+    })
+
+
+    it("returns false if no comment", function() {
+      expect(sourceMappingURL.existsIn("code"))
+        .to.equal(false)
+    })
+
+
+    it("is detachable", function() {
+      var has = sourceMappingURL.existsIn
+      expect(has("/*# sourceMappingURL=foo */"))
+        .to.equal(true)
+    })
+
+  })
+
+
+  describe(".removeFrom", function() {
+
+    forEachComment(function(comment, description) {
+
+      it("removes the comment for " + description, function() {
+        expect(sourceMappingURL.removeFrom("code\n" + comment))
+          .to.equal("code\n")
+
+        expect(sourceMappingURL.removeFrom("code" + comment))
+          .to.equal("code")
+
+        expect(sourceMappingURL.removeFrom(comment))
+          .to.equal("")
+      })
+
+    })
+
+
+    it("does nothing if no comment", function() {
+      expect(sourceMappingURL.removeFrom("code\n"))
+        .to.equal("code\n")
+    })
+
+
+    it("is detachable", function() {
+      var remove = sourceMappingURL.removeFrom
+      expect(remove("/*# sourceMappingURL=foo */"))
+        .to.equal("")
+    })
+
+  })
+
+
+  describe(".insertBefore", function() {
+
+    forEachComment(function(comment, description) {
+
+      it("inserts a string before the comment for " + description, function() {
+        expect(sourceMappingURL.insertBefore("code\n" + comment, "more code\n"))
+          .to.equal("code\nmore code\n" + comment)
+
+        expect(sourceMappingURL.insertBefore("code" + comment, "\nmore code"))
+          .to.equal("code\nmore code" + comment)
+
+        expect(sourceMappingURL.insertBefore(comment, "some code"))
+          .to.equal("some code" + comment)
+      })
+
+    })
+
+
+    it("appends if no comment", function() {
+      expect(sourceMappingURL.insertBefore("code", "\nmore code"))
+        .to.equal("code\nmore code")
+    })
+
+
+    it("is detachable", function() {
+      var insertBefore = sourceMappingURL.insertBefore
+      expect(insertBefore("/*# sourceMappingURL=foo */", "bar"))
+        .to.equal("bar/*# sourceMappingURL=foo */")
+    })
+
+  })
+
+
+  describe(".regex", function() {
+
+    it("includes ._innerRegex", function() {
+      expect(sourceMappingURL.regex.source)
+        .to.contain(sourceMappingURL._innerRegex.source)
+    })
+
+
+    var match = function(code) {
+      expect(code)
+        .to.match(sourceMappingURL.regex)
+    }
+
+    var noMatch = function(code) {
+      expect(code)
+        .not.to.match(sourceMappingURL.regex)
+    }
+
+
+    forEachComment(function(comment, description) {
+
+      it("matches " + description, function() {
+        match("code\n" + comment)
+        match("code" + comment)
+        match(comment)
+      })
+
+
+      it("matches " + description + ", with trailing whitespace", function() {
+        match(comment + "  ")
+        match(comment + "\n")
+        match(comment + "\n\n\t\n    \t  ")
+      })
+
+
+      it("only matches " + description + " at the end of files", function() {
+        noMatch("code\n" + comment + " code")
+        noMatch("code" + comment + " code")
+        noMatch("code\n" + comment + "\ncode")
+        noMatch("code" + comment + "\ncode")
+        noMatch("code\n" + comment + "\n// Generated by foobar")
+        noMatch("code" + comment + "\n// Generated by foobar")
+        noMatch("alert\n('\\" + comment + "')")
+        noMatch("alert('\\" + comment + "')")
+        noMatch('alert\n("\\' + comment + '")')
+        noMatch('alert("\\' + comment + '")')
+      })
+
+    })
+
+
+    it("does not match some cases that are easy to mess up", function() {
+      noMatch(
+        "/* # sourceMappingURL=foo */"
+      )
+
+      noMatch(
+        "/*\n" +
+        "  //# sourceMappingURL=foo\n" +
+        "*/"
+      )
+
+      noMatch(
+        "/*//# sourceMappingURL=foo\n" +
+        "*/"
+      )
+
+      noMatch(
+        "// # sourceMappingURL=foo"
+      )
+    })
+
+
+    it("is liberal regarding inner whitespace", function() {
+      match(
+        "/*# sourceMappingURL=foo*/"
+      )
+
+      match(
+        "/*# sourceMappingURL=foo    */"
+      )
+
+      match(
+        "/*# sourceMappingURL=foo   \t\n" +
+        "*/"
+      )
+
+      match(
+        "/*    \n" +
+        "# sourceMappingURL=foo\n" +
+        "*/"
+      )
+
+      match(
+        "/*\n" +
+        "# sourceMappingURL=foo\n" +
+        "     */"
+      )
+
+      match(
+        "/*\n" +
+        "# sourceMappingURL=foo\n" +
+        "\n" +
+        "\t\n" +
+        "*/"
+      )
+    })
+
+  })
+
+
+  describe("._innerRegex", function() {
+
+    it("matches the contents of sourceMappingURL comments", function() {
+      expect("# sourceMappingURL=http://www.example.com/foo/bar.js.map")
+        .to.match(sourceMappingURL._innerRegex)
+    })
+
+
+    it("captures the url in the first capture group", function() {
+      expect(sourceMappingURL._innerRegex.exec("# sourceMappingURL=foo")[1])
+        .to.equal("foo")
+    })
+
+
+    it("supports the legacy syntax", function() {
+      expect("@ sourceMappingURL=http://www.example.com/foo/bar.js.map")
+        .to.match(sourceMappingURL._innerRegex)
+    })
+
+  })
+
+})