Add a test for merging time formats

Author: Dai MIKURUBE

embulk-guess-csv/src/test/java/org/embulk/standards/guess/TestCsvGuessPlugin.java

@@ -81,6 +81,13 @@ public void testComplex() throws Exception {
                 "test_complex_guessed.yml");
     }
 
+    @Test
+    public void testMergeTimeFormats() throws Exception {
+        assertGuessByResource(embulk,
+                "test_merge_time_formats_seed.yml", "test_merge_time_formats.csv",
+                "test_merge_time_formats_guessed.yml");
+    }
+
     @Test
     public void testFor1Rows() throws Exception {
         assertGuessByResource(embulk,

embulk-guess-csv/src/test/resources/org/embulk/standards/guess/csv/test/test_merge_time_formats.csv

@@ -0,0 +1,5 @@
+time,name
+2021-12-1 24:30:30,"foo bar"
+2021-12-1  4:30:30,foo
+2021-12-1 24:30:30,bar
+2021-12-1 24:30:30,baz

embulk-guess-csv/src/test/resources/org/embulk/standards/guess/csv/test/test_merge_time_formats_guessed.yml

@@ -0,0 +1,13 @@
+charset: UTF-8
+newline: LF
+quote: '"'
+type: csv
+delimiter: ','
+escape: '"'
+trim_if_not_quoted: false
+skip_header_lines: 1
+allow_extra_columns: false
+allow_optional_columns: false
+columns:
+- {"name": "time", "type": "timestamp", "format": "%Y-%m-%d %k:%M:%S"}
+- {"name": "name", "type": "string"}

embulk-guess-csv/src/test/resources/org/embulk/standards/guess/csv/test/test_merge_time_formats_seed.yml

@@ -0,0 +1 @@
+{}