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grok_test.go
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package grokeddit
import (
"reflect"
"strconv"
"strings"
"testing"
)
const (
reddit3 string = `
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"submit_text": "",
"display_name": "pics",
"header_img": "http://f.thumbs.redditmedia.com/5j2D-mwj6zafK81e.png",
"description_html": "<html>description1</html>",
"title": "/r/Pics",
"over18": false,
"user_is_moderator": false,
"header_title": "Logo by corvuskorax",
"description": "description1",
"submit_link_label": null,
"accounts_active": null,
"public_traffic": false,
"header_size": [
160,
64
],
"subscribers": 5460468,
"submit_text_label": null,
"name": "t5_2qh0u",
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"url": "/r/pics/",
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"user_is_contributor": false,
"public_description": "A place to share photographs and pictures.",
"comment_score_hide_mins": 60,
"subreddit_type": "public",
"submission_type": "link",
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}
},
{
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"description_html": "<html>description2</html>",
"title": "funny",
"over18": false,
"user_is_moderator": false,
"header_title": "Logo by corvuskorax",
"description": "description2",
"submit_link_label": null,
"accounts_active": null,
"public_traffic": true,
"header_size": [
160,
64
],
"subscribers": 5540358,
"submit_text_label": null,
"name": "t5_2qh33",
"created": 1201246556,
"url": "/r/funny/",
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"user_is_contributor": false,
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"subreddit_type": "public",
"submission_type": "any",
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}
},
{
"kind": "t5",
"data": {
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"id": "2qh03",
"submit_text": "submit",
"display_name": "gaming",
"header_img": "http://a.thumbs.redditmedia.com/vPDRq3ESKlnjqDff.png",
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"description": "description3",
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"accounts_active": null,
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],
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"name": "t5_2qh03",
"created": 1190058205,
"url": "/r/gaming/",
"created_utc": 1190054605,
"user_is_contributor": false,
"public_description": "A subreddit for (almost) anything related to games - video games, board games, card games, etc. (but not [sports](http://www.reddit.com/r/sports)).\n\nFor more informative gaming content such as news and articles, please visit /r/Games.",
"comment_score_hide_mins": 0,
"subreddit_type": "public",
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}
}
],
"after": "t5_2qh03",
"before": "t5_2qh00"
}
}
`
subreddit3Posts string = `
{
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"is_self": true,
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}
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"ups": 3,
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"distinguished": null
}
}
],
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}
}
`
comments1Reply string = `
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"likes": null,
"secure_media": null,
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"secure_media_embed": {},
"clicked": false,
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]`
commentTree string = `
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"kind": "Listing",
"data": {
"modhash": "73e9l7288vd5cbae00ea93c692511c4634a2d9ed81578c0390",
"children": [
{
"kind": "t1",
"data": {
"subreddit_id": "t5_2qm4e",
"banned_by": null,
"subreddit": "askscience",
"likes": null,
"replies": "",
"saved": false,
"id": "cg9s0vd",
"gilded": 0,
"author": "inderstube",
"parent_id": "t1_cg9qv5w",
"approved_by": null,
"body": "first reply to second comment",
"edited": false,
"author_flair_css_class": null,
"downs": 0,
"body_html": "<html>first reply to second comment</html>",
"link_id": "t3_214czs",
"score_hidden": false,
"name": "t1_cg9s0vd",
"created": 1395616509,
"author_flair_text": null,
"created_utc": 1395587709,
"distinguished": null,
"num_reports": null,
"ups": 1
}
}
],
"after": null,
"before": "t5_2qh04"
}
},
"saved": false,
"id": "cg9qv5w",
"gilded": 0,
"author": "Dave37",
"parent_id": "t1_cg9ptzf",
"approved_by": null,
"body": "second reply to comment",
"edited": false,
"author_flair_css_class": null,
"downs": 0,
"body_html": "<html>second reply to comment</html>",
"link_id": "t3_214czs",
"score_hidden": false,
"name": "t1_cg9qv5w",
"created": 1395612719,
"author_flair_text": null,
"created_utc": 1395583919,
"distinguished": null,
"num_reports": null,
"ups": 3
}
}
],
"after": "t5_2qh03",
"before": null
}
},
"saved": false,
"id": "cg9ptzf",
"gilded": 0,
"author": "inderstube",
"parent_id": "t3_214czs",
"approved_by": null,
"body": "random comment in comment tree",
"edited": false,
"author_flair_css_class": null,
"downs": 6,
"body_html": "<html>random comment in comment tree</html>",
"link_id": "t3_214czs",
"score_hidden": false,
"name": "t1_cg9ptzf",
"created": 1395608112,
"author_flair_text": null,
"created_utc": 1395579312,
"distinguished": null,
"num_reports": null,
"ups": 3
}
}
],
"after": null,
"before": null
}
}
]`
commentListing string = `
{
"kind": "Listing",
"data": {
"modhash": "9thsdknfa49c38eb55e7db72adf564df864c684bbb2a28efab",
"children": [
{
"kind": "t1",
"data": {
"subreddit_id": "t5_2qm4e",
"link_title": "Can the Casimir effect take place near a black hole?",
"banned_by": null,
"subreddit": "askscience",
"link_author": "Blocksy",
"likes": null,
"replies": null,
"saved": false,
"id": "cg9tfgc",
"gilded": 0,
"author": "babeltoothe",
"parent_id": "t1_cg9s6hv",
"approved_by": null,
"body": "comment 1",
"edited": false,
"author_flair_css_class": null,
"downs": 0,
"body_html": "<html>comment 1</html>",
"link_id": "t3_2156gs",
"score_hidden": false,
"name": "t1_cg9tfgc",
"created": 1395620331,
"author_flair_text": null,
"link_url": "http://www.reddit.com/r/askscience/comments/2156gs/can_the_casimir_effect_take_place_near_a_black/",
"created_utc": 1395591531,
"ups": 1,
"num_reports": null,
"distinguished": null
}
},
{
"kind": "t1",
"data": {
"subreddit_id": "t5_2qm4e",
"link_title": "Is there any knowledge on how it has affected evolution that some genes are dominant, and some recessive?",
"banned_by": null,
"subreddit": "askscience",
"link_author": "throwaway774829",
"likes": null,
"replies": null,
"saved": false,
"id": "cg9te8o",
"gilded": 0,
"author": "Apiphilia",
"parent_id": "t3_21539t",
"approved_by": null,
"body": "comment 2",
"edited": false,
"author_flair_css_class": null,
"downs": 0,
"body_html": "<html>comment 2</html>",
"link_id": "t3_21539t",
"score_hidden": false,
"name": "t1_cg9te8o",
"created": 1395620242,
"author_flair_text": null,
"link_url": "http://www.reddit.com/r/askscience/comments/21539t/is_there_any_knowledge_on_how_it_has_affected/",
"created_utc": 1395591442,
"ups": 1,
"num_reports": null,
"distinguished": null
}
},
{
"kind": "t1",
"data": {
"subreddit_id": "t5_2qm4e",
"link_title": "Transcendental numbers in a different base?",
"banned_by": null,
"subreddit": "askscience",
"link_author": "AlexxTheKid",
"likes": null,
"replies": null,
"saved": false,
"id": "cg9tdui",
"gilded": 0,
"author": "AlexxTheKid",
"parent_id": "t1_cg9mvtk",
"approved_by": null,
"body": "comment 3",
"edited": false,
"author_flair_css_class": null,
"downs": 0,
"body_html": "<html>comment 3</html>",
"link_id": "t3_2148x2",
"score_hidden": false,
"name": "t1_cg9tdui",
"created": 1395620214,
"author_flair_text": null,
"link_url": "http://www.reddit.com/r/askscience/comments/2148x2/transcendental_numbers_in_a_different_base/",
"created_utc": 1395591414,
"ups": 1,
"num_reports": null,
"distinguished": null
}
}
],
"after": "t1_cg9tdui",
"before": null
}
}`
)
func expectEqual(t *testing.T, expected interface{}, actual interface{}, failMessage string) bool {
expectedType := reflect.ValueOf(expected)
actualType := reflect.ValueOf(actual)
if expectedType.Kind() != actualType.Kind() {
t.Fatal(failMessage + ": Expected type \"" + expectedType.Kind().String() + "\" but got type \"" + actualType.Kind().String() + "\"")
}
if !reflect.DeepEqual(expected, actual) {
t.Error(failMessage + ": Expected \"" + expectedType.String() + "\" but got \"" + actualType.String() + "\"")
return false
}
return true
}
func assertEqual(t *testing.T, expected interface{}, actual interface{}, failMessage string) {
if !expectEqual(t, expected, actual, failMessage) {
t.Fatal("assertion requested, aborting test")
}
}
func verifyGroked(t *testing.T, expected Groked, actual Groked) {
expectEqual(t, expected.ListingPrev, actual.ListingPrev, "Previous listing error")
expectEqual(t, expected.ListingNext, actual.ListingNext, "Next listing error")
assertEqual(t, len(expected.Children), len(actual.Children), "Number of children error")
for index, expectedThing := range expected.Children {
errorMessage := " error at child index " + strconv.Itoa(index)
expectEqual(t, expectedThing.Author, actual.Children[index].Author, "Author"+errorMessage)
expectEqual(t, expectedThing.CreatedUtc, actual.Children[index].CreatedUtc, "Created timestamp"+errorMessage)
expectEqual(t, expectedThing.Id, actual.Children[index].Id, "id"+errorMessage)
expectEqual(t, expectedThing.LastUpdateUtc, actual.Children[index].LastUpdateUtc, "Last update timestamp"+errorMessage)
expectEqual(t, expectedThing.LinkId, actual.Children[index].LinkId, "link id" + errorMessage)
expectEqual(t, expectedThing.ParentId, actual.Children[index].ParentId, "parent id" + errorMessage)
// recursively check replies
verifyGroked(t, expectedThing.Replies, actual.Children[index].Replies)
expectEqual(t, expectedThing.Subreddit, actual.Children[index].Subreddit, "Subreddit name"+errorMessage)
expectEqual(t, expectedThing.SubredditId, actual.Children[index].SubredditId, "Subreddit id"+errorMessage)
expectEqual(t, expectedThing.Text_html, actual.Children[index].Text_html, "Text html"+errorMessage)
expectEqual(t, expectedThing.Title, actual.Children[index].Title, "Title"+errorMessage)
expectEqual(t, expectedThing.Url, actual.Children[index].Url, "Url"+errorMessage)
}
}
func TestRedditPage(t *testing.T) {
actual, error := GrokListing(strings.NewReader(reddit3))
if error != nil {
t.Error("Failed to parse listing: " + error.Error())
}
expected := Groked{
&GlobalId{4594320, Subreddit},
&GlobalId{4594323, Subreddit},
[]Thing{
Thing{
"",
1201221069,
GlobalId{4594350, Subreddit},
1201221069,
GlobalId{},
GlobalId{},
Groked{},
"pics",
GlobalId{4594350, Subreddit},
"",
"/r/Pics",
"/r/pics/",
},
Thing{
"",
1201242956,
GlobalId{4594431, Subreddit},
1201242956,
GlobalId{},
GlobalId{},
Groked{},
"funny",
GlobalId{4594431, Subreddit},
"",
"funny",
"/r/funny/",
},
Thing{
"",
1190054605,
GlobalId{4594323, Subreddit},
1190054605,
GlobalId{},
GlobalId{},
Groked{},
"gaming",
GlobalId{4594323, Subreddit},
"",
"",
"/r/gaming/",
},
},
}
verifyGroked(t, expected, actual)
}
func TestSubredditPage(t *testing.T) {
actual, error := GrokListing(strings.NewReader(subreddit3Posts))
if error != nil {
t.Error("Failed to parse object: " + error.Error())
}
expected := Groked{
nil,
&GlobalId{121546245, Link},
[]Thing{
Thing{
"reality_bugger",
1394831435,
GlobalId{121660225, Link},
1394831435,
GlobalId{},
GlobalId{},
Groked{},
"redditdev",
GlobalId{4596889, Subreddit},
"<html>1</html>",
"Just a short thank you.",
"http://www.reddit.com/r/redditdev/comments/20flmp/just_a_short_thank_you/",
},
Thing{
"Grimzentide",
1394793933,
GlobalId{121593987, Link}, 1394793933,
GlobalId{},
GlobalId{},
Groked{},
"redditdev",
GlobalId{4596889, Subreddit},
"<html>2</html>",
"Is this the most efficient way to run this code?",
"http://www.reddit.com/r/redditdev/comments/20e6ir/is_this_the_most_efficient_way_to_run_this_code/",
},
Thing{
"amleszk",
1394758226,
GlobalId{121546245, Link},
1394758226,
GlobalId{},
GlobalId{},
Groked{},
"redditdev",
GlobalId{4596889, Subreddit},
"<html>3</html>",
"api/friend.json has no effect", "http://www.reddit.com/r/redditdev/comments/20d5ol/apifriendjson_has_no_effect/",
},
},
}
verifyGroked(t, expected, actual)
}
func TestCommentsPageWith1Comment(t *testing.T) {
actual, error := GrokListingArray(strings.NewReader(comments1Reply))
if error != nil {
t.Error("Failed to parse array: " + error.Error())
}
assertEqual(t, len(actual), 2, "Groked array failure")
expected := []Groked{
Groked{
nil,
nil,
[]Thing{
Thing{
"amleszk",
1394758226,
GlobalId{121546245, Link},
1394758226,
GlobalId{},
GlobalId{},
Groked{},
"redditdev",
GlobalId{4596889, Subreddit},
"<html>",
"api/friend.json has no effect",
"http://www.reddit.com/r/redditdev/comments/20d5ol/apifriendjson_has_no_effect/",
},
},
},
Groked{
nil,
nil,
[]Thing{
Thing{
"bsimpson",
1394804227,
GlobalId{27092900622, Comment},
1394804227,
GlobalId{121546245, Link},
GlobalId{121546245, Link},
Groked{},
"redditdev",
GlobalId{4596889, Subreddit},
"<body>",
"",
"",
},
},
},
}
verifyGroked(t, expected[0], actual[0])
verifyGroked(t, expected[1], actual[1])
}
func TestCommentTree(t *testing.T) {
actual, error := GrokListingArray(strings.NewReader(commentTree))
if error != nil {
t.Error("Failed to parse array: " + error.Error())
}
assertEqual(t, len(actual), 2, "Groked array failure")
expected := []Groked{
Groked{
nil,
nil,
[]Thing{
Thing{
"drumersrule",
1395541589,
GlobalId{122815432, Link},
1395541589,
GlobalId{},
GlobalId{},
Groked{},
"askscience",
GlobalId{4600958, Subreddit},
"<html>og link text</html>",
"Do offspring ever take care of their parents in other species?",
"http://www.reddit.com/r/askscience/comments/214czs/do_offspring_ever_take_care_of_their_parents_in/",
},
},
},
Groked{
nil,
nil,
[]Thing{
Thing{
"inderstube",
1395579312,
GlobalId{27105168651, Comment},
1395579312,
GlobalId{122815432, Link},
GlobalId{122815432, Link},
Groked{
nil,
&GlobalId{4594323, Subreddit},
[]Thing{
Thing{
"PM_ME_YOUR_NIGHTMARE",
1395581581,
GlobalId{27105190329, Comment},
1395581581,
GlobalId{122815432, Link},
GlobalId{27105168651, Comment},
Groked{},
"askscience",
GlobalId{4600958, Subreddit},
"<html>first reply to comment</html>",
"",
"",
},
Thing{
"Dave37",
1395583919,
GlobalId{27105216836, Comment},
1395583919,
GlobalId{122815432, Link},
GlobalId{27105168651, Comment},
Groked{
&GlobalId{4594324, Subreddit},
nil,
[]Thing{
Thing{
"inderstube",
1395587709,
GlobalId{27105270889, Comment},
1395587709,
GlobalId{122815432, Link},
GlobalId{27105216836, Comment},
Groked{},
"askscience",
GlobalId{4600958, Subreddit},
"<html>first reply to second comment</html>",
"",
"",
},
},
},
"askscience",
GlobalId{4600958, Subreddit},
"<html>second reply to comment</html>",
"",