Make sure all themes have visual tests (#2174)

karawoo · web-flow · commit 2fea616463a2 · 2017-06-20T13:21:30.000-07:00
* Add test for theme_linedraw()
diff --git a/tests/figs/themes/theme-linedraw.svg b/tests/figs/themes/theme-linedraw.svg
@@ -0,0 +1,92 @@
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diff --git a/tests/testthat/test-theme.r b/tests/testthat/test-theme.r
@@ -250,5 +250,6 @@ test_that("themes don't change without acknowledgement", {
   vdiffr::expect_doppelganger("theme_gray", plot + theme_gray())
   vdiffr::expect_doppelganger("theme_light", plot + theme_light())
   vdiffr::expect_doppelganger("theme_void", plot + theme_void())
+  vdiffr::expect_doppelganger("theme_linedraw", plot + theme_linedraw())
 })
 
