1 files changed, 196 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fledge/tentative/deprecated-render-url-replacements.https.window.js b/testing/web-platform/tests/fledge/tentative/deprecated-render-url-replacements.https.window.js
new file mode 100644
index 0000000000..4f8bc1cc7f
--- /dev/null
+++ b/testing/web-platform/tests/fledge/tentative/deprecated-render-url-replacements.https.window.js
@@ -0,0 +1,196 @@
+// META: script=/resources/testdriver.js
+// META: script=/common/utils.js
+// META: script=resources/fledge-util.sub.js
+// META: script=/common/subset-tests.js
+// META: timeout=long
+// META: variant=?1-5
+// META: variant=?6-10
+// META: variant=?11-15
+// META: variant=?16-last
+
+
+"use strict;"
+
+// This test ensures proper handling of deprecatedRenderURLReplacements within auctionConfigOverrides.
+// It validates that these replacements are correctly applied to the winning bid's renderURL by
+// injecting a URL with matching macros into an interest group and ensuring that a new url with
+// the replacements in it, is tracked and observed.
+const makeTest = ({
+    // Test name
+    name,
+    // Overrides to the interest group.
+    interestGroupOverrides = {},
+    // Overrides to the auction config.
+    auctionConfigOverrides = {},
+    // This is what goes into the renderURL and is expected to be replaced.
+    beforeReplacements,
+    // This is what's expected when 'beforeReplacements' is replaced.
+    afterReplacements,
+}) => {
+    subsetTest(promise_test, async test => {
+        const uuid = generateUuid(test);
+        let urlBeforeReplacements = createTrackerURL(window.location.origin, uuid, 'track_get', beforeReplacements);
+        let urlAfterReplacements = createTrackerURL(window.location.origin, uuid, 'track_get', afterReplacements);
+        interestGroupOverrides.ads = [{ renderURL: urlBeforeReplacements }];
+        await joinInterestGroup(test, uuid, interestGroupOverrides);
+
+        await runBasicFledgeAuctionAndNavigate(test, uuid, auctionConfigOverrides);
+        await waitForObservedRequests(
+            uuid,
+            [urlAfterReplacements, createSellerReportURL(uuid), createBidderReportURL(uuid)]);
+    }, name);
+};
+
+makeTest({
+    name: 'Replacements with brackets.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '${EXAMPLE-MACRO}': 'SSP' }
+    },
+    beforeReplacements: "${EXAMPLE-MACRO}",
+    afterReplacements: 'SSP',
+
+});
+
+makeTest({
+    name: 'Replacements with percents.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '%%EXAMPLE-MACRO%%': 'SSP' }
+    },
+    beforeReplacements: "%%EXAMPLE-MACRO%%",
+    afterReplacements: 'SSP',
+});
+
+makeTest({
+    name: 'Multiple replacements within a URL.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '${EXAMPLE-MACRO1}': 'SSP1', '%%EXAMPLE-MACRO2%%': 'SSP2' }
+    },
+    beforeReplacements: "${EXAMPLE-MACRO1}/%%EXAMPLE-MACRO2%%",
+    afterReplacements: 'SSP1/SSP2',
+});
+
+makeTest({
+    name: 'Recursive and reduce size with brackets.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '${1}': '1' }
+    },
+    beforeReplacements: "${${${1}}}",
+    afterReplacements: "${${1}}"
+});
+
+makeTest({
+    name: 'Recursive and increase size with brackets.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '${1}': '${${1}}' }
+    },
+    beforeReplacements: "${1}",
+    afterReplacements: "${${1}}"
+});
+
+makeTest({
+    name: 'Replacements use a single pass with brackets.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '${1}': '${2}', '${2}': '${1}' }
+    },
+    beforeReplacements: "${1}${2}",
+    afterReplacements: "${2}${1}"
+});
+
+makeTest({
+    name: 'Multiple instances of same substitution string with brackets.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '${1}': '${2}' }
+    },
+    beforeReplacements: "{${1}${1}}",
+    afterReplacements: "{${2}${2}}"
+});
+
+makeTest({
+    name: 'Mismatched replacement with brackets.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '${2}': '${1}' }
+    },
+    beforeReplacements: "${1}",
+    afterReplacements: "${1}"
+});
+
+makeTest({
+    name: 'Recursive and reduce size with percents.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '%%1%%': '1' }
+    },
+    beforeReplacements: "%%%%1%%%%",
+    afterReplacements: "%%1%%"
+});
+
+makeTest({
+    name: 'Recursive and increase size with percents.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '%%1%%': '%%%%1%%%%' }
+    },
+    beforeReplacements: "%%1%%",
+    afterReplacements: "%%%%1%%%%"
+});
+
+makeTest({
+    name: 'Replacements use a single pass with percents.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '%%1%%': '%%2%%', '%%2%%': '%%1%%' }
+    },
+    beforeReplacements: "%%1%%%%2%%",
+    afterReplacements: "%%2%%%%1%%"
+});
+
+makeTest({
+    name: 'Multiple instances of same substitution string with percents.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '%%1%%': '%%2%%' }
+    },
+    beforeReplacements: "%%1%%%%1%%",
+    afterReplacements: "%%2%%%%2%%"
+});
+
+makeTest({
+    name: 'Mismatched replacement with percents.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '%%2%%': '%%1%%' }
+    },
+    beforeReplacements: "%%1%%",
+    afterReplacements: "%%1%%"
+});
+
+makeTest({
+    name: 'Case sensativity.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '%%foo%%': '%%bar%%' }
+    },
+    beforeReplacements: "%%FOO%%%%foo%%",
+    afterReplacements: "%%FOO%%%%bar%%"
+});
+
+makeTest({
+    name: 'Super macro, a macro with a macro inside it basically, with percents.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '%%%%foo%%%%': 'foo' }
+    },
+    beforeReplacements: "%%%%foo%%%%",
+    afterReplacements: "foo"
+});
+
+makeTest({
+    name: 'Super macro, with brackets.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '${${foo}}': 'foo' }
+    },
+    beforeReplacements: "${${foo}}",
+    afterReplacements: "foo"
+});
+
+makeTest({
+    name: 'Super macro, with both.',
+    auctionConfigOverrides: {
+        deprecatedRenderURLReplacements: { '${%%foo%%}': 'foo', '%%${bar}%%':'bar' }
+    },
+    beforeReplacements: "${%%foo%%}%%${bar}%%",
+    afterReplacements: "foobar"
+});