1 files changed, 119 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-mochitest/mochi-to-testcase.py b/dom/canvas/test/webgl-mochitest/mochi-to-testcase.py
new file mode 100644
index 0000000000..bff3b675b0
--- /dev/null
+++ b/dom/canvas/test/webgl-mochitest/mochi-to-testcase.py
@@ -0,0 +1,119 @@
+#! /usr/bin/env python3
+import pathlib
+import re
+import sys
+
+assert len(sys.argv) == 2
+MOCHI_PATH = pathlib.Path(sys.argv[1])
+assert MOCHI_PATH.suffix == ".html"
+
+TEST_PATH = MOCHI_PATH.with_suffix(".solo.html")
+
+
+def read_local_file(include):
+    inc_path = MOCHI_PATH.parent
+    file_path = inc_path / include
+
+    try:
+        return file_path.read_bytes()
+    except IOError:
+        return b""
+
+
+SIMPLETEST_REPLACEMENT = b"""
+
+<script>
+// SimpleTest.js replacement
+
+function debug(text) {
+  var elem = document.getElementById('mochi-to-testcase-output');
+  elem.innerHTML += '\\n<br/>\\n' + text;
+}
+
+function ok(val, text) {
+  var status = val ? 'Test <font color=\\'green\\'>passed</font>: '
+                   : 'Test <font color=\\'red\\'  >FAILED</font>: ';
+  debug(status + text);
+}
+
+function todo(val, text) {
+  var status = val ? 'Test <font color=\\'orange\\'>UNEXPECTED PASS</font>: '
+                   : 'Test <font color=\\'blue\\'  >todo</font>: ';
+  debug(status + text);
+}
+
+function addLoadEvent(func) {
+  window.addEventListener('load', func);
+}
+
+SimpleTest = {
+  waitForExplicitFinish: () => {},
+  finish: () => {},
+  requestFlakyTimeout: () => {},
+};
+
+SpecialPowers = {
+  pushPrefEnv: async (env, callback = null) => {
+    console.log(`SpecialPowers.pushPrefEnv(${JSON.stringify(env)})`);
+    await new Promise(res => {
+        setTimeout(res, 0);
+    });
+    if (callback) {
+        await callback();
+    }
+  },
+  popPrefEnv: async (callback = null) => {
+    console.log('SpecialPowers.popPrefEnv()');
+    await new Promise(res => {
+        setTimeout(res, 0);
+    });
+    if (callback) {
+        await callback();
+    }
+  },
+};
+</script>
+<div id='mochi-to-testcase-output'></div>
+
+"""
+
+INCLUDE_PATTERN = re.compile(b"<script\\s*src=['\"](.*)\\.js['\"]>\\s*</script>")
+CSS_PATTERN = re.compile(
+    b"<link\\s*rel=['\"]stylesheet['\"]\\s*href=['\"]([^=>]*)['\"]>"
+)
+
+with open(TEST_PATH, "wb") as fout:
+    with open(MOCHI_PATH, "rb") as fin:
+        for line in fin:
+            skip_line = False
+            for css in CSS_PATTERN.findall(line):
+                skip_line = True
+                print("Ignoring stylesheet: " + css.decode())
+
+            for inc in INCLUDE_PATTERN.findall(line):
+                skip_line = True
+                if inc == b"/MochiKit/MochiKit":
+                    continue
+
+                if inc == b"/tests/SimpleTest/SimpleTest":
+                    print("Injecting SimpleTest replacement")
+                    fout.write(SIMPLETEST_REPLACEMENT)
+                    continue
+
+                inc_js = inc.decode() + ".js"
+                inc_data = read_local_file(inc_js)
+                if not inc_data:
+                    print("Warning: Unknown JS file ignored: " + inc_js)
+                    continue
+
+                print("Injecting include: " + inc_js)
+                fout.write(b"\n<script>\n// Imported from: " + inc_js.encode() + b"\n")
+                fout.write(inc_data)
+                fout.write(b"\n</script>\n")
+                continue
+
+            if skip_line:
+                continue
+
+            fout.write(line)
+            continue