Can't count on the second axis to be in the second spot of the list.

Author: ldecicco-USGS

tests/testthat/tests-date_axis.R

@@ -10,7 +10,7 @@ test_that("two axis calls added to side 1", {
 
 test_that("axis ticks in the right location", {
   gs <- gsplot() %>%
-    points(seq(as.Date("2013-01-01"), as.Date("2013-12-31"), "days"), 1:31) %>%
+    points(seq(as.Date("2013-01-01"), as.Date("2013-12-31"), "days"), 1:365) %>%
     date_axis(side=1, lab.pos = "interval", tick.int="month", "snap.to"="month")
 
   ticks <- lazy_eval(gs$side.1$axis$at, data=list(object=gs))
@@ -24,7 +24,9 @@ test_that("axis labels centered on interval", {
     points(seq(as.Date("2013-01-01"), as.Date("2013-12-31"), "days"), 1:365) %>%
     date_axis(side=1, lab.pos = "interval", tick.int="month", "snap.to"="month")
 
-  labels <- lazyeval::lazy_eval(gs$side.1[[2]]$at, data=list(object=gs))
+  second.axis <- gs$side.1
+  which.axis <- which(names(second.axis)== 'axis')
+  labels <- lazyeval::lazy_eval(gs$side.1[[which.axis[2]]]$at, data=list(object=gs))
   expect_true(all.equal(labels[1], as.Date("2013-01-15"), tolerance=0.01))
   expect_true(all.equal(labels[7], as.Date("2013-07-15"), tolerance=0.01))
   expect_true(all.equal(labels[12], as.Date("2013-12-15"), tolerance=0.01))
@@ -35,7 +37,10 @@ test_that("axis labels centered on ticks", {
     points(seq(as.Date("2013-01-01"), as.Date("2013-01-31"), "days"), 1:31) %>%
     date_axis(side=1, lab.pos = "tick", tick.int="day", "snap.to"="month")
 
-  labels <- lazy_eval(gs$side.1[[2]]$at, data=list(object=gs))
+  second.axis <- gs$side.1
+  which.axis <- which(names(second.axis)== 'axis')
+  
+  labels <- lazy_eval(gs$side.1[[which.axis[2]]]$at, data=list(object=gs))
   expect_equal(labels[1], as.Date("2013-01-01"))
   expect_equal(labels[7], as.Date("2013-01-07"))
   expect_equal(labels[22], as.Date("2013-01-22"))