Fixed for #405, bad error messages for some actions when browser is null

lefthandedgoat · Mar 3, 2018 · 283dd19 · 283dd19
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commit 283dd19
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diff --git a/src/canopy/canopy.fs b/src/canopy/canopy.fs
@@ -257,6 +257,7 @@ let rec private findElements cssSelector (searchContext : ISearchContext) : IWeb
     with | ex -> []
 
 let private findByFunction cssSelector timeout waitFunc searchContext reliable =
+    if browser = null then raise (CanopyNoBrowserException("Can't perform the action because the browser instance is null.  `start chrome` to start a new browser."))
     if wipTest then colorizeAndSleep cssSelector
 
     try

diff --git a/src/canopy/types.fs b/src/canopy/types.fs
@@ -32,6 +32,7 @@ type CanopyCheckFailedException(message) = inherit CanopyException(message)
 type CanopyUncheckFailedException(message) = inherit CanopyException(message)
 type CanopyReadException(message) = inherit CanopyException(message)
 type CanopySkipTestException() = inherit CanopyException(String.Empty)
+type CanopyNoBrowserException(message) = inherit CanopyException(message)
 
 //directions
 type direction =