Add additional checks to satisfy covr.

Author: coatless

tests/testthat/test-searcher.R

@@ -68,14 +68,68 @@ test_that("Check link generation", {
 
 })
 
+test_that("Validate selection", {
+
+  expect_identical(
+    search_site("toad", "bb", rlang = FALSE),
+    "https://bitbucket.com/search?q=toad"
+  )
+
+  expect_identical(
+    search_site("", rlang = FALSE),
+    "",
+    "Verify empty query fall through"
+  )
+
+})
+
 
 test_that("Malformed search query validation", {
+
   expect_identical(
     search_google(""),
     "",
     "Empty string check if no error messages"
   )
 
+
+  expect_identical(
+    search_bing(""),
+    "",
+    "Empty string check if no error messages"
+  )
+
+
+  expect_identical(
+    search_ddg(""),
+    "",
+    "Empty string check if no error messages"
+  )
+
+  expect_identical(
+    search_ixquick(""),
+    "",
+    "Empty string check if no error messages"
+  )
+
+  expect_identical(
+    search_so(""),
+    "",
+    "Empty string check if no error messages"
+  )
+
+  expect_identical(
+    search_gh(""),
+    "",
+    "Empty string check if no error messages"
+  )
+
+  expect_identical(
+    search_bb(""),
+    "",
+    "Empty string check if no error messages"
+  )
+
   expect_identical(
     search_google(NULL),
     "",