diff options
Diffstat (limited to 'Godeps/_workspace/src/github.com/robertkrimen/otto/underscore_chaining_test.go')
-rw-r--r-- | Godeps/_workspace/src/github.com/robertkrimen/otto/underscore_chaining_test.go | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/github.com/robertkrimen/otto/underscore_chaining_test.go b/Godeps/_workspace/src/github.com/robertkrimen/otto/underscore_chaining_test.go new file mode 100644 index 000000000..accf04fdc --- /dev/null +++ b/Godeps/_workspace/src/github.com/robertkrimen/otto/underscore_chaining_test.go @@ -0,0 +1,95 @@ +package otto + +import ( + "testing" +) + +// map/flatten/reduce +func Test_underscore_chaining_0(t *testing.T) { + tt(t, func() { + test, _ := test_() + + test(` + test("map/flatten/reduce", function() { + var lyrics = [ + "I'm a lumberjack and I'm okay", + "I sleep all night and I work all day", + "He's a lumberjack and he's okay", + "He sleeps all night and he works all day" + ]; + var counts = _(lyrics).chain() + .map(function(line) { return line.split(''); }) + .flatten() + .reduce(function(hash, l) { + hash[l] = hash[l] || 0; + hash[l]++; + return hash; + }, {}).value(); + ok(counts['a'] == 16 && counts['e'] == 10, 'counted all the letters in the song'); + }); + `) + }) +} + +// select/reject/sortBy +func Test_underscore_chaining_1(t *testing.T) { + tt(t, func() { + test, _ := test_() + + test(` + test("select/reject/sortBy", function() { + var numbers = [1,2,3,4,5,6,7,8,9,10]; + numbers = _(numbers).chain().select(function(n) { + return n % 2 == 0; + }).reject(function(n) { + return n % 4 == 0; + }).sortBy(function(n) { + return -n; + }).value(); + equal(numbers.join(', '), "10, 6, 2", "filtered and reversed the numbers"); + }); + `) + }) +} + +// select/reject/sortBy in functional style +func Test_underscore_chaining_2(t *testing.T) { + tt(t, func() { + test, _ := test_() + + test(` + test("select/reject/sortBy in functional style", function() { + var numbers = [1,2,3,4,5,6,7,8,9,10]; + numbers = _.chain(numbers).select(function(n) { + return n % 2 == 0; + }).reject(function(n) { + return n % 4 == 0; + }).sortBy(function(n) { + return -n; + }).value(); + equal(numbers.join(', '), "10, 6, 2", "filtered and reversed the numbers"); + }); + `) + }) +} + +// reverse/concat/unshift/pop/map +func Test_underscore_chaining_3(t *testing.T) { + tt(t, func() { + test, _ := test_() + + test(` + test("reverse/concat/unshift/pop/map", function() { + var numbers = [1,2,3,4,5]; + numbers = _(numbers).chain() + .reverse() + .concat([5, 5, 5]) + .unshift(17) + .pop() + .map(function(n){ return n * 2; }) + .value(); + equal(numbers.join(', '), "34, 10, 8, 6, 4, 2, 10, 10", 'can chain together array functions.'); + }); + `) + }) +} |