From 13f89091ed93c5166e0fd969665e3e9f2c909ca9 Mon Sep 17 00:00:00 2001
From: Martin Czygan <martin.czygan@gmail.com>
Date: Wed, 5 May 2021 00:20:03 +0200
Subject: add test for ParseUnstructured

---
 skate/cmd/skate-wikipedia-doi/main.go |  1 +
 skate/schema.go                       | 34 +++++++++++-----------
 skate/unstructured.go                 |  4 +--
 skate/unstructured_test.go            | 53 +++++++++++++++++++++++++++++++++++
 4 files changed, 74 insertions(+), 18 deletions(-)
 create mode 100644 skate/unstructured_test.go

diff --git a/skate/cmd/skate-wikipedia-doi/main.go b/skate/cmd/skate-wikipedia-doi/main.go
index d1a21e9..c4fdb1e 100644
--- a/skate/cmd/skate-wikipedia-doi/main.go
+++ b/skate/cmd/skate-wikipedia-doi/main.go
@@ -1,3 +1,4 @@
+// skate-wikipedia-doi extracts DOI from wikipedia reference dataset.
 package main
 
 import (
diff --git a/skate/schema.go b/skate/schema.go
index a9570b7..9f3af45 100644
--- a/skate/schema.go
+++ b/skate/schema.go
@@ -112,24 +112,26 @@ func parseIsbn(s string) []string {
 	return valid.Slice()
 }
 
+type Biblio struct {
+	ArxivId         string   `json:"arxiv_id,omitempty"`
+	ContainerName   string   `json:"container_name,omitempty"`
+	ContribRawNames []string `json:"contrib_raw_names,omitempty"`
+	DOI             string   `json:"doi,omitempty"`
+	Issue           string   `json:"issue,omitempty"`
+	PMCID           string   `json:"pmcid,omitempty"`
+	PMID            string   `json:"pmid,omitempty"`
+	Pages           string   `json:"pages,omitempty"`
+	Publisher       string   `json:"publisher,omitempty"`
+	Title           string   `json:"title,omitempty"`
+	Unstructured    string   `json:"unstructured,omitempty"`
+	Url             string   `json:"url,omitempty"`
+	Volume          string   `json:"volume,omitempty"`
+	Year            int64    `json:"year,omitempty"`
+}
+
 // Ref is a reference document, can be very partial.
 type Ref struct {
-	Biblio struct {
-		ArxivId         string   `json:"arxiv_id,omitempty"`
-		ContainerName   string   `json:"container_name,omitempty"`
-		ContribRawNames []string `json:"contrib_raw_names,omitempty"`
-		DOI             string   `json:"doi,omitempty"`
-		Issue           string   `json:"issue,omitempty"`
-		PMCID           string   `json:"pmcid,omitempty"`
-		PMID            string   `json:"pmid,omitempty"`
-		Pages           string   `json:"pages,omitempty"`
-		Publisher       string   `json:"publisher,omitempty"`
-		Title           string   `json:"title,omitempty"`
-		Unstructured    string   `json:"unstructured,omitempty"`
-		Url             string   `json:"url,omitempty"`
-		Volume          string   `json:"volume,omitempty"`
-		Year            int64    `json:"year,omitempty"`
-	} `json:"biblio"`
+	Biblio       Biblio `json:"biblio"`
 	Index        int64  `json:"index,omitempty"`
 	Key          string `json:"key,omitempty"`
 	RefSource    string `json:"ref_source,omitempty"`
diff --git a/skate/unstructured.go b/skate/unstructured.go
index 6a96bb0..082c685 100644
--- a/skate/unstructured.go
+++ b/skate/unstructured.go
@@ -8,8 +8,8 @@ import (
 var (
 	PatDOI         = regexp.MustCompile(`10[.][0-9]{1,8}/[^ ]*[\w]`)
 	PatDOINoHyphen = regexp.MustCompile(`10[.][0-9]{1,8}/[^ -]*[\w]`)
-	PatArxivPDF    = regexp.MustCompile(`http://arxiv.org/pdf/([0-9]{4,4}[.][0-9]{1,8})(v[0-9]{1,2})?(.pdf)?`)
-	PatArxivAbs    = regexp.MustCompile(`http://arxiv.org/abs/([0-9]{4,4}[.][0-9]{1,8})(v[0-9]{1,2})?(.pdf)?`)
+	PatArxivPDF    = regexp.MustCompile(`https?://arxiv.org/pdf/([0-9]{4,4}[.][0-9]{1,8})(v[0-9]{1,2})?(.pdf)?`)
+	PatArxivAbs    = regexp.MustCompile(`https?://arxiv.org/abs/([0-9]{4,4}[.][0-9]{1,8})(v[0-9]{1,2})?(.pdf)?`)
 
 	urlPrefixes = []string{
 		"http://doi.org/",
diff --git a/skate/unstructured_test.go b/skate/unstructured_test.go
new file mode 100644
index 0000000..e6e9fbd
--- /dev/null
+++ b/skate/unstructured_test.go
@@ -0,0 +1,53 @@
+package skate
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestParseUnstructured(t *testing.T) {
+	var cases = []struct {
+		ref    *Ref
+		result *Ref
+		err    error
+	}{
+		{
+			&Ref{
+				Biblio: Biblio{
+					Unstructured: "Hello 10.1111/j.1550-7408.1968.tb02138.x-BIB5",
+				},
+			},
+			&Ref{
+				Biblio: Biblio{
+					DOI:          "10.1111/j.1550-7408.1968.tb02138.x-BIB5",
+					Unstructured: "Hello 10.1111/j.1550-7408.1968.tb02138.x-BIB5",
+				},
+			},
+			nil,
+		},
+		{
+			&Ref{
+				Biblio: Biblio{
+					Unstructured: "https://arxiv.org/pdf/0808.3320v3.pdf Hello 10.1111/j.1550-7408.1968.tb02138.x-BIB5",
+				},
+			},
+			&Ref{
+				Biblio: Biblio{
+					ArxivId:      "0808.3320",
+					DOI:          "10.1111/j.1550-7408.1968.tb02138.x-BIB5",
+					Unstructured: "https://arxiv.org/pdf/0808.3320v3.pdf Hello 10.1111/j.1550-7408.1968.tb02138.x-BIB5",
+				},
+			},
+			nil,
+		},
+	}
+	for _, c := range cases {
+		err := ParseUnstructured(c.ref)
+		if err != c.err {
+			t.Fatalf("got %v, want %v", err, c.err)
+		}
+		if !reflect.DeepEqual(c.ref, c.result) {
+			t.Fatalf("got %#v, want %#v", c.ref, c.result)
+		}
+	}
+}
-- 
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