Refactor SecurityStateModel/Clients for simplicity and reusability.

chrome/browser/ssl/security_state_tab_helper_unittest.cc

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/ssl/security_state_tab_helper.h"
+
+#include "base/command_line.h"
+#include "base/test/histogram_tester.h"
+#include "chrome/test/base/chrome_render_view_host_test_harness.h"
+#include "components/security_state/core/switches.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+const char kHTTPBadHistogram[] =
+    "Security.HTTPBad.UserWarnedAboutSensitiveInput";
+
+class SecurityStateTabHelperHistogramTest
+    : public ChromeRenderViewHostTestHarness {
+ public:
+  SecurityStateTabHelperHistogramTest() : helper_(nullptr) {}
+  ~SecurityStateTabHelperHistogramTest() override {}
+
+  void SetUp() override {
+    ChromeRenderViewHostTestHarness::SetUp();
+
+    SecurityStateTabHelper::CreateForWebContents(web_contents());
+    helper_ = SecurityStateTabHelper::FromWebContents(web_contents());
+    navigate_to_http();
+  }
+
+ protected:
+  void signal_password() {
+    web_contents()->OnPasswordInputShownOnHttp();
+    helper_->VisibleSecurityStateChanged();
+  }
+
+  void navigate_to_http() { NavigateAndCommit(GURL("http://example.test")); }
+
+ private:
+  SecurityStateTabHelper* helper_;
+  DISALLOW_COPY_AND_ASSIGN(SecurityStateTabHelperHistogramTest);
+};
+
+// Tests that UMA logs the omnibox warning when security level is
+// HTTP_SHOW_WARNING.
+TEST_F(SecurityStateTabHelperHistogramTest, HTTPOmniboxWarningHistogram) {
+  // Show Warning Chip.
+  base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      security_state::switches::kMarkHttpAs,
+      security_state::switches::kMarkHttpWithPasswordsOrCcWithChip);
+
+  base::HistogramTester histograms;
+  signal_password();
+  histograms.ExpectUniqueSample(kHTTPBadHistogram, true, 1);
+
+  // Fire again and ensure no sample is recorded.
+  signal_password();
+  histograms.ExpectUniqueSample(kHTTPBadHistogram, true, 1);
+
+  // Navigate to a new page and ensure a sample is recorded.
+  navigate_to_http();
+  histograms.ExpectUniqueSample(kHTTPBadHistogram, true, 1);
+  signal_password();
+  histograms.ExpectUniqueSample(kHTTPBadHistogram, true, 2);
+}
+
+// Tests that UMA logs the console warning when security level is NONE.
+TEST_F(SecurityStateTabHelperHistogramTest, HTTPConsoleWarningHistogram) {
+  // Show Neutral for HTTP
+  base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      security_state::switches::kMarkHttpAs,
+      security_state::switches::kMarkHttpAsNeutral);
+
+  base::HistogramTester histograms;
+  signal_password();
+  histograms.ExpectUniqueSample(kHTTPBadHistogram, false, 1);
+
+  // Fire again and ensure no sample is recorded.
+  signal_password();
+  histograms.ExpectUniqueSample(kHTTPBadHistogram, false, 1);
+
+  // Navigate to a new page and ensure a sample is recorded.
+  navigate_to_http();
+  histograms.ExpectUniqueSample(kHTTPBadHistogram, false, 1);
+  signal_password();
+  histograms.ExpectUniqueSample(kHTTPBadHistogram, false, 2);
+}
+
+}  // namespace